Lexus IS 350 Gas Tank Size: Everything You Need to Know

Understanding your Lexus IS 350 Gas Tank Size car’s fuel capacity is a key part of ownership. It helps you plan trips and budget for costs. We are here to give you all the details you need.

This popular luxury sedan typically holds 17.4 gallons of fuel. For example, the 2026 F Sport Design model has a 64-liter tank, which is about 16.9 gallons. This vehicle requires Premium Unleaded gasoline for optimal performance.

The capacity of your fuel tank directly affects how far you can drive. By combining this number with your car’s miles-per-gallon rating, you can estimate your real-world range. Lexus IS 350 Gas Tank Size, This is useful for both daily commutes and long road trips.

Key Takeaways

• Knowing your vehicle’s fuel capacity is essential for effective trip planning and budgeting.
• The standard capacity for this model is 17.4 gallons across most production years.
• Some newer trims, like the 2026 F Sport Design, feature a slightly different 64-liter (16.9-gallon) tank.
• Premium Unleaded fuel is required for this performance-oriented sedan.
• The tank size, combined with fuel economy, determines your practical driving range.
• This information applies to various model years and trim levels of the Lexus 350.
• Accurate specs help you manage expectations for both city and highway driving.

Also Read: How to Know 2021 Lexus IS Specs Match Your Driving Style

Background and Design of the Lexus IS 350

Starting with a commanding presence, the sedan’s proportions immediately signal its performance intent. Lexus IS 350 Gas Tank Size, The lexus 350 represents a careful blend of luxury comfort and dynamic driving engagement. We see this philosophy come to life in the available F Sport Design trim.

This car features an aggressive front fascia and sleek, aerodynamic body lines. Fully galvanized steel panels and body-colored elements ensure durability and a clean look. With dimensions of 185.8 inches long and 56.7 inches high, it has a planted, athletic stance.

A black grille and integrated lip spoiler enhance the sporty appearance. The lexus 350 exterior also includes advanced LED lighting and power-folding heated mirrors. Lexus IS 350 Gas Tank Size, This thoughtful design, starting at an MSRP of $56,855, delivers a visually balanced and refined experience.

Performance and Engine Specifications

At the core of this vehicle’s athletic personality lies a sophisticated powerplant. We examine the components that define its dynamic character.

Engine Performance Analysis

A 3.5-liter V6 sits under the hood. This engine generates 311 horsepower and 280 lb-ft of torque.

Dual VVT-i technology optimizes valve timing. It ensures smooth and linear power delivery across all speeds.

The result is strong acceleration for confident merging. Lexus IS 350 Gas Tank Size, A refined exhaust note complements the responsive performance.

Transmission and Drivetrain Details

Drivers can choose how this power reaches the road. Multiple configurations are available to suit different preferences.

• An 8-Speed Sport Direct-Shift Automatic is the primary transmission. Lexus IS 350 Gas Tank Size, It features selectable Normal and Sport drive modes.
• Paddle shifters offer manual control for more engaged driving. This enhances the connection between driver and machine.
• For the 2026 model, a 6-Speed Automatic pairs with all-wheel drive. This setup prioritizes all-weather traction and stability.
• The traditional rear-wheel drive configuration provides a classic sports sedan feel. It employs a 3.13 axle ratio for sharp response.

This flexibility allows you to tailor the drive experience. Lexus IS 350 Gas Tank Size, Whether you seek comfort or sportiness, the system adapts.

Also Read: Lexus NX vs Acura RDX: The Ultimate Showdown

Detailed Look at lexus is 350 gas tank size

The reservoir that holds your vehicle’s fuel is more than just a simple container. We find its volume is a key specification for owners. Lexus IS 350 Gas Tank Size, The standard fuel tank capacity for this model is 17.4 gallons.

This provides a substantial reserve for longer journeys. You will make fewer stops for refueling on extended trips.

Note a slight variation in the latest model year. The 2026 F Sport Design lists a 64-liter tank capacity. This converts to approximately 16.9 gallons.

The difference may stem from measurement methods. Lexus IS 350 Gas Tank Size, It does not significantly impact the real-world driving experience.

This component is a gas-pressurized system. It maintains optimal fuel delivery to the engine. Performance remains consistent under various driving conditions.

Understanding this specification helps you calculate potential range. Multiply the tank size by the car’s fuel efficiency ratings. Lexus IS 350 Gas Tank Size, This gives you a reliable estimate for city or highway travel.

Premium Unleaded gasoline is required for this sedan. We recommend always using the specified grade. It allows the engine management system to work correctly.

The power fuel flap includes a locking mechanism for security. Engineers balanced this tank capacity with vehicle weight and trunk space. The design aims for optimal driving range without compromise.

Also Read: Lexus Sugar Land 2026: A Guide to Maintenance

Fuel Tank Capacity and Industry Comparisons

Competitive analysis reveals how a car’s fuel volume stacks up against its rivals. Lexus IS 350 Gas Tank Size, The 17.4-gallon reservoir in this sedan is a strong offering. It sits squarely in the sweet spot for luxury compact cars.

Typical capacities in this segment range from 15 to 18 gallons. This places the vehicle in a favorable position. Drivers gain the convenience of fewer stops without excessive weight.

Model	Fuel Tank Capacity	Segment
Lexus IS 350	17.4 gallons	Luxury Sport Sedan
BMW 3 Series	15.6 – 16.1 gallons	Luxury Sport Sedan
Mercedes-Benz C-Class	17.4 gallons	Luxury Sedan
Audi A4	15.3 gallons	Luxury Compact Sedan

This specific volume reflects careful engineering. Designers balanced maximizing driving range with optimal weight distribution. Lexus IS 350 Gas Tank Size, The sport-tuned chassis dynamics benefit from this balance.

Crashworthiness and trunk space were also key considerations. The result is a practical capacity that supports long-distance travel. On the highway, a theoretical range exceeding 500 miles is possible. This greatly reduces range anxiety for owners.

Also Read: How to Decide Between Lexus Vs Mercedes Vehicles 2026

Fuel Efficiency and Real-World Consumption

Fuel economy figures translate directly into real-world savings and travel convenience. We examine the official ratings and what they mean for your driving.

This sedan delivers respectable efficiency for its class. The numbers vary between model years and drivetrains.

Model & Drivetrain	City (mpg)	Highway (mpg)	Combined
2021 IS 350 (RWD)	20	28	23 mpg
2026 IS 350 F Sport Design (AWD)	~19	~26	10.8 L/100 km

City fuel economy reflects stop-and-go urban driving. The powerful V6 uses more fuel during frequent acceleration.

Highway efficiency improves significantly.Lexus IS 350 Gas Tank Size, Cruising at steady speeds allows the transmission to optimize gear ratios.

“Real-world consumption always has a margin of variance. Gentle driving can often match or beat EPA estimates, while a spirited style will consume more.”

The combined city highway rating gives a realistic expectation for mixed use. The all-wheel-drive model shows a slight dip due to added weight.

Your driving style greatly affects results. Smooth, anticipatory driving promotes better efficiency.

With its fuel tank and 28 mpg highway rating, a theoretical range near 487 miles is possible. This supports long journeys with fewer stops.

Interior Dimensions and Passenger Comfort

Passenger comfort is a cornerstone of the luxury sedan experience, and the interior dimensions reflect this commitment. Lexus IS 350 Gas Tank Size, We examine how the cabin is shaped to accommodate occupants.

Also Read: How to Evaluate Cadillac vs Lexus for Your Needs 2026

Seat Configurations and Comfort Levels

The cabin is arranged in a standard 2+3 layout for five people. Front bucket seats and a rear bench provide the foundation.

Heated front seats with 8-way power adjustment are standard. NuLuxe synthetic leather trim offers a premium, durable feel. A 60-40 split-folding rear seatback adds practical versatility for cargo.

Spatial Measurements: Shoulder, Hip, and Leg Room

Specific measurements tell us about real-world space. Lexus IS 350 Gas Tank Size, Here is a breakdown of key interior room figures.

• Front Shoulder Room: 54.3 inches. This generous width prevents a cramped feeling for driver and passenger.
• Front Hip Room: 55.9 inches. Ample space contributes to overall seating comfort on long drives.
• Front Leg Room: 44.8 inches. Tall drivers will find plenty of space to stretch out.
• Front Head Room: 38.2 inches. This provides adequate clearance for most occupants.
• Rear Shoulder Room: 54.0 inches. It nearly matches the front, allowing two adults to sit side-by-side comfortably.
• Rear Hip Room: 53.4 inches. Space is reasonable for the vehicle’s compact class.
• Rear Leg Room: 32.2 inches. This is more modest, which is typical for sport sedans.
• Rear Head Room: 36.8 inches. It ensures reasonable comfort for passengers on shorter trips.

The interior room prioritizes the front seats. Lexus IS 350 Gas Tank Size, This creates a driver-focused environment suited to the car’s sporting character.

Cargo and Trunk Specifications

Beyond performance and comfort, the utility of a sedan is defined by its cargo-carrying ability. We examine how the Lexus IS 350 accommodates your gear.

Trunk Volume and Cargo Space Features

The vehicle provides 10.9 cubic feet of trunk volume. Lexus IS 350 Gas Tank Size, This capacity is typical for a sports-oriented luxury sedan.

It is sufficient for weekly groceries or luggage for a weekend trip. The wide opening and low liftover height make loading easy.

Cargo space lights offer visibility at night. A carpet-lined trunk lid adds a refined touch to the compartment.

A compact spare tire is stored beneath the cargo floor. This clever placement preserves usable space.

The 60-40 split-folding rear seatback greatly expands flexibility. Lexus IS 350 Gas Tank Size, It allows for a front-to-rear pass-through for long items.

Keyfob access lets you open the trunk hands-free. This feature is a major convenience when your hands are full.

Also Read: Clear Lexus Dallas: How to Choose the Right at

Technology and Infotainment Features

The digital interface in today’s vehicles serves as the primary connection between driver and machine. The lexus 350 technology suite centers on a vibrant 12.3-inch touchscreen. This display acts as your command center for entertainment, navigation, and settings.

We appreciate the seamless wireless smartphone integration. Android Auto and Apple CarPlay connect without cables. Bluetooth and four USB ports handle charging and streaming for all passengers.

Remote Connect offers a three-year trial for monitoring your vehicle. You can lock or unlock the door from your smartphone. The available Wi-Fi hotspot turns the cabin into a mobile office.

The premium audio system features ten strategically placed speakers. Door-mounted units help create an immersive surround sound experience. Speed-compensated volume automatically adjusts for road noise.

Turn-by-turn navigation with real-time traffic keeps trips efficient. Voice command lets you control many functions hands-free. This integrated approach makes every drive more connected and enjoyable.

Safety Features and Driver Assistance

The commitment to occupant protection is evident in the comprehensive safety suite of this model. We find peace of mind in its top-tier ratings and extensive technology.

Advanced Safety Technologies

Multiple systems work together to prevent accidents. Lane Departure Alert with steering assist gently corrects your path if you drift.

Blind Spot Monitor provides visual warnings in the side mirrors. Rear Cross Traffic Alert scans for vehicles when backing up.

The front collision mitigation system includes automatic emergency braking. It can even provide steering assistance to help avoid obstacles.

Driver monitoring detects signs of drowsiness or distraction. This enhances safety during long journeys.

Crash Test Ratings and Airbag Systems

The 2026 Lexus 350 earns a 5.0 Overall safety rating from the IIHS. It achieves a perfect score in side-impact testing.

Ten airbags are strategically placed throughout the cabin. These include dual-stage front airbags and side curtain units for all rows.

Knee airbags protect both driver and front passenger. The system is designed to deploy in a coordinated manner during a collision.

Four-wheel disc brakes with ABS provide confident stopping power. Vented front and rear discs manage heat effectively during repeated use.

Exterior Styling and Sport Design Elements

The exterior styling of a luxury sedan serves as its visual signature. It announces its character before a single mile is driven.

The 2026 Lexus IS 350 F Sport Design embodies this principle. Its low height of 56.7 inches creates a sleek, aerodynamic profile.

We note the overall width of 72.4 inches provides a planted, aggressive stance. This width communicates performance while remaining practical for city driving.

Key sport design elements define its look. A distinctive black grille and subtle lip spoiler enhance aerodynamics.

Dark chrome accents on the window trim add sophisticated contrast. Body-colored power-folding mirrors integrate turn signals for a clean appearance.

Dimension	Metric	Imperial
Length	4720 mm	185.8 in
Width	1839 mm	72.4 in
Height	1440 mm	56.7 in
Wheelbase	2800 mm	110.2 in
Curb Weight	1775 kg	3913 lbs

“True sport design is where form follows function. Every line should suggest motion and purpose, not just decoration.”

The curb weight of 3,913 pounds reflects a balance of rigidity and luxury. Engineers optimized this weight for responsive handling.

LED headlamps with auto high-beam ensure excellent visibility. Perimeter lighting enhances curb appeal when you approach the vehicle.

This cohesive sport design creates a dramatic and functional exterior. It turns every arrival into a statement.

Wheels, Tires, and Suspension Setup

Handling precision starts with the components that directly interact with the pavement. We examine the hardware that defines this sedan’s athletic character.

The Lexus IS 350 F Sport Design rides on striking 19-inch alloy wheels. Their dark gray finish complements the vehicle’s sporty aesthetic perfectly.

Tire specifications can vary between model years. Some trims use 235/40R19 summer performance tires for maximum grip. Others feature 265/40V19 all-season tires for year-round versatility.

“A well-tuned suspension is the unsung hero of a great driving car. It connects power to the road with both composure and comfort.”

The front suspension employs a sophisticated double wishbone design with coil springs. This setup delivers precise steering feedback and maintains ride quality.

At the rear, a multi-link configuration independently controls each wheel. It optimizes handling dynamics while isolating road imperfections for passengers.

Gas-pressurized shock absorbers and front and rear anti-roll bars complete the chassis tuning. They reduce body roll during cornering for a flat, composed feel.

A compact spare tire on a steel wheel is stored under the cargo floor. This ensures you are prepared for emergencies without losing daily trunk space.

Maintenance, Warranty, and After-Sales Support

A vehicle’s long-term value and reliability are deeply tied to the support system that comes with it. We examine the coverage and care plans for the 2026 model.

The factory protection is structured in layers. Each component has a specific coverage period to address different concerns.

Coverage Type	Duration	Distance Limit
Basic Warranty	48 months	80,000 km
Powertrain Warranty	72 months	110,000 km
Corrosion Perforation	72 months	Unlimited
Roadside Assistance	48 months	Unlimited

This layered approach provides peace of mind for years. The basic warranty handles early manufacturing defects.

The powertrain coverage extends well beyond that. It protects the heart of the vehicle for six years.

“Adhering to the scheduled service intervals is the single best way to preserve your vehicle’s performance and your warranty coverage.”

Regular care is essential. The recommended schedule includes an oil change every 10,000 miles or twelve months.

Tire rotations and brake inspections are also key. Following this plan keeps the lexus 350 running at its best.

Specialized technicians at dealerships use genuine parts. This ensures your investment is protected by experts.

Comparison with Other Lexus Models and Competitors

Lexus carves out a unique niche by sticking to a proven formula in a changing market. The 2021 Lexus IS 350 Sport entered at $42,950, competing directly in the luxury compact segment.

How the IS 350 Stands Out

This car stands apart with its naturally aspirated V6 engine. Many rivals now use turbocharged four-cylinder units.

The 350 sport provides linear power delivery and a distinctive character. Rear-wheel drive is standard, appealing to driving purists.

Its sport design includes a tuned suspension and unique wheels. This differentiates it from comfort-focused models like the Lexus ES.

“The connection between driver, engine, and road is more direct and engaging in a well-sorted rear-drive sedan.”

We see a strong value proposition. It combines luxury with renowned reliability and lower long-term costs.

Model	Engine	Standard Drive	Key Appeal
Lexus IS 350 Sport	3.5L V6	Rear-Wheel Drive	Linear Power, Reliability
BMW 330i	2.0L Turbo I4	Rear-Wheel Drive	Sharp Handling
Mercedes-Benz C 300	2.0L Turbo I4	Rear-Wheel Drive	Luxury Interior
Audi A4	2.0L Turbo I4	Front-Wheel Drive	Quattro AWD, Tech

The lexus 350 sport trim offers a complete package for enthusiasts. All-wheel drive is available for all-weather confidence.

User Reviews and Expert Opinions

Beyond specifications, the lived experience of owners defines this model’s reputation. We see consistent praise for its refined power delivery.

The 311-horsepower V6 provides ample acceleration for daily driving. Owners appreciate the smooth, linear response without turbo lag.

Expert reviewers highlight the immediate throttle response. They value the predictable power band for spirited driving.

Handling balance receives strong marks from automotive journalists. The rear-wheel-drive chassis offers communicative steering and composure.

“The connection between driver and car feels direct and engaging. It’s a refreshing take in a segment filled with turbocharged engines.”

Build quality and long-term reliability are frequently commended. The Lexus IS 350 ranks highly in dependability studies within its class.

Owner surveys note excellent comfort on long trips. The sedan strikes a fine balance between sporty handling and luxury ride quality.

Some earlier critiques focused on the infotainment system’s complexity. Recent updates with wireless integration have largely resolved these concerns.

Buying Considerations and Pricing Details

Smart buyers look beyond the sticker price to understand the full value of their investment. This section breaks down the costs and offers practical advice for your purchase journey.

Trim, MSRP, and Value Analysis

The 2026 Lexus IS 350 F Sport Design starts at $56,855, plus a $2,205 destination charge. In contrast, the 2021 Sport model began at $42,950. This shows how pricing evolves.

We view the MSRP as a negotiation starting point. Final cost depends on dealer location, demand, and your flexibility on colors.

Exploring certified pre-owned (CPO) options can offer great value. These cars come with extended warranty coverage and thorough inspections.

Financing, Offers, and Buyer Tips

Always research current incentives before you buy. Manufacturers may offer special financing rates, lease deals, or cash rebates.

Use the brand’s dealer locator to find a Lexus IS 350 for sale near you. It filters real-time inventory by trim and color.

The four-door sedan layout allows easy access to the rear seats. We advise a long test drive to evaluate seat comfort fully.

Consider total cost of ownership, including insurance and maintenance. Some dealers now provide door-to-door delivery for a convenient purchase experience.

Conclusion

In wrapping up our detailed exploration, the Lexus 350 stands as a testament to balanced engineering in the luxury sport sedan arena. It represents a compelling choice, combining refined performance with comprehensive safety features. Owners have trusted its legendary reliability for decades.

We’ve examined every critical aspect, from its generous fuel reservoir to the powerful V6 engine. This provides you with complete information for an informed decision. Whether you prefer engaging rear-wheel drive or all-weather capability, this sedan offers configurations to match diverse needs.

The blend of sport-tuned handling, luxury amenities, and advanced technology positions it as an excellent value. We encourage you to experience its balance of performance and comfort firsthand. Explore the various trim levels to find the perfect fit for your lifestyle and budget.

FAQ

What is the fuel tank capacity for this sport sedan?

The vehicle features a 17.4-gallon fuel tank. This capacity provides an excellent balance between minimizing refueling stops and maximizing driving range on both city streets and highway trips.

How does the trunk space accommodate daily needs?

Cargo volume is 10.8 cubic feet. The rear features a 60/40 split-folding seatback, offering flexibility for longer items. The trunk includes a handy grocery bag hook and a low liftover height for easy loading.

What are the key interior dimensions for passenger comfort?

A> Passenger room is a priority. Front leg room measures 44.8 inches, while rear leg room is 32.2 inches. Shoulder room is generous at 56.3 inches in the front and 54.3 inches in the rear, ensuring comfort for all occupants.

What advanced safety systems come standard?

Our Safety System+ 2.5 is standard. It includes Pre-Collision System with Pedestrian Detection, Lane Departure Alert with Steering Assist, Dynamic Radar Cruise Control, and Lane Tracing Assist. These features help monitor traffic and provide alerts.

How does the engine perform in terms of power and efficiency?

A> The 3.5-liter V6 engine delivers 311 horsepower and 280 lb-ft of torque. It achieves an EPA-estimated 20 mpg in the city and 28 mpg on the highway with rear-wheel drive, offering a spirited yet efficient drive.

What are some buyer tips for finding a good deal?

Research current offers and incentives from your local dealer. Consider certified pre-owned options for added value with warranty coverage. Always test drive to assess comfort, technology, and the sport-tuned suspension for yourself.