2021 Lexus IS III (XE30, facelift 2020) Dimensions, Size & Specs

Production
Model Year:2021
Production Years:2020 - present in production since 2020
1440 mm56.7 in4.7 ft
4710 - 4757 mm185.4 - 187.3 in15.5 - 15.6 ft
Length
4710 - 4757 mm185.4 - 187.3 in15.5 - 15.6 ft
Width
1840 mm72.4 in6.0 ft
Height
1440 mm56.7 in4.7 ft
Trunk Capacity
306 - 450 liter10.8 - 15.9 cu ft
Technical Details

Exterior Dimensions

Precise measurements of the 2021 Lexus IS III, engineered for optimal performance and comfort

Dimensions
Length:4710 - 4757 mm185.4 - 187.3 in15.5 - 15.6 ft
Width:1840 mm72.4 in6.0 ft
Height:1440 mm56.7 in4.7 ft
Ground Clearance:140 mm5.5 in0.5 ft
Trunk Capacity:306 - 450 liter10.8 - 15.9 cu ft
Weight Specifications
Curb Weight:1685 - 1780 kg3715 - 3924 lbs
Maximal permitted Weight:1965 - 2186 kg4332 - 4819 lbs
Tire Specifications
Rims Sizes:8.5J x 18, 9.5J x 19, 8.5J x 19
Tire Sizes:235/45 R18 (W:235 | H:45 | D:18)
265/35 R19 (W:265 | H:35 | D:19)
235/40 R19 (W:235 | H:40 | D:19)
Useful Information

About 2021 Lexus IS III

The Lexus IS III (XE30) facelift model, introduced in 2020 and continuing production through 2021 and beyond, is a premium compact executive sedan that combines sporty dimensions with luxury. Measuring between 4710 mm and 4757 mm (185.4 to 187.2 inches) in length, the IS III maintains a sleek profile with a width of 1840 mm (72.4 inches) and a height ranging from 1435 to 1440 mm (56.5 to 56.7 inches). These dimensions offer a well-proportioned, agile sedan that balances interior comfort with a dynamic road presence.

Weighing in between 1685 kg and 1780 kg (3715 to 3924 lbs) curb weight, the vehicle supports a maximum weight from 1965 to 2186 kg (4332 to 4820 lbs), reflecting its robust build and safety features. The ride height or ground clearance is a relatively low 140 mm (5.5 inches), emphasizing road handling and sporty driving dynamics rather than off-road capability.

The Lexus IS III facelift offers luggage capacity ranging from 306 to 450 liters (10.8 to 15.9 cubic feet), providing practical space for everyday usage without compromising its sleek sedan design. The model accommodates various wheel and tire setups, including rim sizes of 8.5J x 18, 9.5J x 19, and 8.5J x 19 paired with tire sizes 235/45 R18, 265/35 R19, and 235/40 R19. This variety supports both comfort-oriented driving and more aggressive styling or performance configurations.

Overall, the 2021 Lexus IS III facelift exemplifies a sophisticated approach to compact sedan design, blending elegant dimensions, varied configurations, and functional luggage space. It caters to drivers seeking a luxury vehicle that delivers a refined driving experience with a strong emphasis on style, comfort, and sportiness.

Exceptional Features

2021 Lexus IS III Highlights

Discover the standout features that make the 2021 Lexus IS III a leader in its class

Engine Options

The 2021 Lexus IS III offers a range of powertrains, including a 2.0-liter turbocharged inline-4, a 3.5-liter V6, and a hybrid variant combining a 2.5-liter four-cylinder engine with an electric motor.

Exterior Design

Featuring the refreshed facelift from 2020, the 2021 Lexus IS III sports a more aggressive spindle grille, sharper LED headlamps, and revised bumpers, enhancing its sporty and luxurious appearance.

Interior and Infotainment

The cabin includes high-quality materials, a 10.3-inch infotainment display with Apple CarPlay and Android Auto compatibility, and an optional Mark Levinson premium audio system for an immersive driving experience.

Safety Features

Equipped with Lexus Safety System+ 2.5, which includes pre-collision system with pedestrian detection, lane departure alert with steering assist, adaptive cruise control, and road sign assist for enhanced driver safety.

Driving Dynamics

The 2021 Lexus IS III offers a balanced ride with available adaptive variable suspension and rear-wheel drive or all-wheel drive options, delivering responsive handling and comfort.
Frequently Asked Questions

FAQ

Have a question? Please check our knowledgebase first.

The Lexus IS III (XE30, facelift 2020) sedan measures between 4710 mm and 4757 mm in length, which translates to approximately 185.4 to 187.2 inches. This range accounts for variations in trim and specific configurations. This length provides a balanced presence on the road typical for a compact executive sedan, combining sporty proportions with interior space for comfort.

The Lexus IS III has a width of 1840 mm, or about 72.4 inches. This width is fairly standard for compact luxury sedans, allowing for confident road presence while still maintaining ease of maneuverability in city settings. Its moderate width supports comfortable seating for passengers without making it excessively bulky for tight parking spaces.

The Lexus IS III sedan stands between 1435 mm and 1440 mm tall, converting to roughly 56.5 to 56.7 inches in height. This relatively low and sleek profile contributes positively to aerodynamics and handling performance, enhancing stability at higher speeds. The low height also aids in lowering the vehicle's center of gravity, improving cornering dynamics while offering adequate headroom for occupants.

The curb weight of the Lexus IS III ranges from 1685 kg to 1780 kg (approximately 3715 to 3924 pounds). This weight reflects the combination of luxury features, build quality, and performance components. While a heavier vehicle can potentially reduce fuel efficiency compared to lighter competitors, Lexus balances this with efficient powertrain options and advanced engineering to ensure smooth handling and responsive driving dynamics.

The Lexus IS III provides a luggage capacity ranging from 306 liters to 450 liters, or about 10.8 to 15.9 cubic feet. This luggage volume is typical for a luxury compact sedan and can accommodate suitcases, groceries, or daily bags comfortably. The higher end of this range likely comes from configurations with rear seat folding or optional storage enhancements, making it reasonable for both daily use and extended journeys.

The Lexus IS III offers a ride height or ground clearance of 140 mm, which is around 5.5 inches. This clearance is standard for sporty sedans, striking a balance between a low center of gravity for performance and enough height to handle common road irregularities without risk of undercarriage damage. While suitable for city and highway driving, it is less optimal for rough terrain or off-road conditions.

Yes, the Lexus IS III's dimensions are suitable for standard residential garages in most regions. With a length of up to 4757 mm (187.2 inches), width of 1840 mm (72.4 inches), and a height up to 1440 mm (56.7 inches), it fits comfortably within the typical garage space, which generally measures around 6 meters (236 inches) in length and 3 meters (118 inches) in width. Drivers should still consider mirror clearance and garage storage items but overall, parking this vehicle in a standard garage should be hassle-free.

Compared to the Lexus IS II generation, the Lexus IS III (XE30) is notably longer and slightly wider. The third generation measures up to 4757 mm (187.2 in) in length versus roughly 4565 mm (179.7 in) of the IS II, providing increased cabin space and improved road presence. The width of the XE30 is 1840 mm (72.4 in), slightly wider than its predecessor which was about 1770 mm (69.7 in), contributing to a more planted stance. Height remains similar, but the newer generation offers enhanced aerodynamics and refined styling, reflecting Lexus’s focus on blending sportiness with luxury comfort.

In terms of size, the Lexus IS III competes closely with rivals such as the BMW 3 Series and Audi A4. The Lexus’s length ranges from 4710 to 4757 mm (185.4 to 187.2 inches), comparable to the BMW 3 Series which is around 4709 mm (185.4 in), and Audi A4 at about 4762 mm (187.5 in). Width of the IS III, at 1840 mm (72.4 in), is between the BMW's approximate 1827 mm (71.9 in) and Audi's 1847 mm (72.7 in). This shows the IS III aligns well within the segment’s standard dimensions. Feature-wise, Lexus emphasizes luxury, reliability, and hybrid powertrain options, differentiating itself with Japanese craftsmanship, while German competitors often highlight sportier driving dynamics and advanced infotainment systems.

The Lexus IS III offers a variety of rim sizes including 8.5J x 18, 9.5J x 19, and 8.5J x 19 inches, paired with tire sizes of 235/45 R18, 265/35 R19, and 235/40 R19. Larger rims and wider tires tend to enhance the vehicle’s grip, cornering abilities, and overall sporty feel due to the increased contact patch and stiffness. The 19-inch setups provide a more aggressive stance and improved road feedback, while the 18-inch setups prioritize ride comfort and can contribute to slightly better fuel economy. This selection allows buyers to tailor the balance between performance and comfort according to their preferences.

Alternatives

Similar Sized Generations

Discover similar sized cars.

You can also visit the official website of Lexus Logo Lexus