Does the Lexus IS 350 Use Premium Fuel?


The 2011 Lexus IS 350 is a luxurious compact sport sedan available in one well appointed trim level. Powered by its rear wheels or available in all-wheel-drive, the Lexus IS 350 is quick, able to go from zero to 60 miles per hour in just 5.6 seconds provided the right fuel is in its gas tank.

Premium Fuel

  • The IS 350 requires premium fuel of 91 octane or higher. Lexus states, “If premium fuel is not used, performance will decrease.”


  • The 2011 Lexus IS 350 features a 3.5-liter 24-valve V6 engine rated at 306 horsepower and 277 pound-feet of torque. This engine is paired with a 6-speed automatic transmission with paddle shifters. The IS 350 is rated as completing the quarter mile in 12.9 seconds.

Fuel Economy

  • The rear-wheel-drive 2011 Lexus IS 350 is rated 20 miles per gallon city, 27 mpg highway. The all-wheel-drive model is rated 18 mpg city, 25 mpg highway.

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