Lexus IS 500 MPG and Fuel Economy
Lexus have been manufacturing models of IS 500 for 2 years, with the latest vehicle in 2023 having a combined MPG of 20.
The estimated fuel cost for the 2023 Lexus IS 500 is $3,150 per year.
Government regulators have estimated that value based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
💵 Compared to an average vehicle over 5 years, you will spend $6,750 more on fuel driving a 2023 Lexus IS 500.
🛢 The Lexus IS 500 will consume roughly 15 barrels of petroleum per year, using the standard estimate of 15,000 miles per year.
💨 For every mile driven, the Lexus IS 500 will emit 451 grams of CO2, which is about 6,765,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 323 trees would be needed to offset emissions from the Lexus IS 500.
The table below is a complete list of the 2 Lexus IS 500 fuel efficiency specifications we have data for.
Click any vehicle link to see a more detailed breakdown of the car, miles per gallon, emissions, and more.
| Vehicle | Combined MPG | Fuel Cost |
|---|---|---|
| 2023 Lexus IS 500 | 20 | $3,150 |
| 2022 Lexus IS 500 | 20 | $3,700 |
Link To or Reference This Page
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"Lexus IS 500 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/lexus/is-500.
"Lexus IS 500 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/lexus/is-500. Accessed January 3, 2026.
Lexus IS 500 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/lexus/is-500.