American Roadstar Sport A/S 255/40R18 99Y XL High Performance All Season Tire

The American Roadstar Sport A/S is a performance and high performance, all season tire made for passenger vehicles and SUVs. American Roadstar offers a 50,000 mile treadwear warranty with this model. Better dry, wet, and winter grip is guaranteed with this model. The optimized tread design keeps the surface contact in versatile weather conditions, while the all season compound maintain flexibility in warm and cold temperatures. They increase dry, wet, and winter-weather traction. On the other hand, wide grooves prevent hydroplaning. They eliminate water and slush from the footprint, in order to protect the tire against slipping in wet situations. High speed durability is ensured with this tire. This tire upgrades its high speed durability. The optimal tread design can easily follow the road surface, while the strong construction maintains the optimal tire shape under pressure. Also, the heat-resistant compound prevents pressure accumulation along the tread area. This combination guarantees excellent high speed performance. The controllability and maneuvering are improved with better road contact. The asymmetric tread design maintains surface contact at all times. In other words, it upgrades steering responsiveness and driving stability. Quick and precise steering responses are guaranteed, while the structure is stabilized. In other words, it makes sure the tire is constantly under the vehicle’s control. The American Roadstar Sport A/S manages to keep the noise low. The optimized tread elements manage to decrease road noise levels. This pattern negates the sound waves created during the performance. This prevents road disturbances from ruining the passengers’ driving enjoyment, guaranteeing a quiet performance. Manufacturers recommend changing tires every 10 years. As long as tires are properly stored before they are sold, the year of their manufacture will not shorten their service life.

More details

Tire season

All-Season

Manufacturer

American Roadstar

Tire width

255 mm

Tire load range

Extra Load

Tire load index

99

Vehicle fitment type

Universal

Warranty distance

50000 miles

Is run flat

N

Overall diameter

26

Tire speed rating

W

Vehicle type

Car

Tire size

255/40R18

Construction type

Radial

Electric vehicle tire

N

Automotive parts division

Performance

Wheel diameter

18 in

Flotation tire

N

Maximum vehicle rim width

10.00

Mud & snow rated

N

Uniform tire quality grade (utqg)

500 A A

Features

Fits Multiple Makes And models

Items included

Tire Only

Minimum vehicle rim width

8.50

Count

1

Vehicle class designator

P

Tire location

All-Position Tire

Tire sidewall style

Black Sidewall

Tire terrain

Highway Terrain

Tire diameter

18 in

Compatible cars

BMW 440I 2017-2020; Mercedes-Benz SL 2003-2016; BMW 430xi 2017-2020; Ferrari 575 2004-2005; BMW M340i 2020-2022; Toyota Supra 2021-2024; BMW 440xi 2017-2020; Mercedes-Benz E 2010-2011; BMW M440xi 2021-2024; BMW 320 2014-2018; BMW 330xi 2019-2019; BMW M440i 2021-2024; BMW Activehybrid 3 2014-2014; BMW 428 2014-2016; Jaguar XJ 2002-2003; Mercedes-Benz CLS 2006-2018; Jaguar XJR 1998-2003; BMW Z4 2019-2025; Audi S6 2007-2011; BMW 330E 2016-2018; BMW M4 2015-2020; Lexus IS 2006-2014; Audi RS6 2003-2003; BMW 335 2012-2013; BMW M3 2001-2018; Mercedes-Benz C 2018-2021; BMW 330 2017-2018; BMW 435 2014-2016; Ferrari F575 2002-2003; Ferrari F550 1997-2001; BMW M 2006-2008; BMW 328 2013-2018; BMW M340xi 2020-2022; BMW 430I 2017-2020; Porsche Boxster 2006-2011; BMW 230I 2022-2022; BMW 340 2016-2018

Tire type

Passenger Car Tires

Model

Sport AS ARSS43

Tread depth

8/32

Maximum inflation pressure

49

Tire aspect ratio

40

Tire treadwear rating

500