Photo: Lexus IS by TTTNIS, CC0, via Wikimedia Commons. It shows the model, not always this exact version.
Lexus · model year 2025
2025 Lexus IS 500
Compact · Rear-Wheel Drive · Gas · EPA class: Compact Cars
EPA figures · 2025fueleconomy.gov
20MPG combined
17/25MPG city / highway
$4,100fuel a year
451 g CO₂ per mile 5.0 L 8-cyl Automatic (S8)
This car on fueleconomy.gov, read 2 October 2026. Your own figures depend on how and where you drive.
Where it places
- 78 Fuel-efficient compact cars
Ordered by combined MPG #78 of 86 - 281 Fuel-efficient cars
Ordered by combined MPG #281 of 401 - 45 Lexus cars
Every model year, newest first #45 of 767 - 696 2025 cars and trucks
Every car of that year, A to Z #696 of 1,273 - 1603 Gas and hybrid cars by fuel cost
Ordered by fuel a year #1603 of 2,158
Against fuel-efficient compact cars
Chart average 29 MPGBest 50 MPG
Lowest on the chart $1,350Chart average $2,882
Every figure on record
- Combined MPG
- 20 MPG
- City MPG
- 17 MPG
- Highway MPG
- 25 MPG
- Annual fuel cost
- $4,100
- Tailpipe CO₂
- 451 g per mile
- Model year
- 2025
- Body
- Car
- EPA size class
- Compact Cars
- Drive
- Rear-Wheel Drive
- Engine
- 5.0 L 8-cyl
- Transmission
- Automatic (S8)
- Fuel
- Gasoline
Efficiency
Running cost
The car
Powertrain
Cars around it
2026 Lexus IS 350
22 MPG · $3,750 fuel a year
2026 Mercedes-Benz AMG C43 4matic
22 MPG · $3,750 fuel a year 2025 Lexus IS 300 AWD
22 MPG · $3,750 fuel a year 2026 Lexus IS 350 AWD
22 MPG · $3,750 fuel a year
2025 Acura TLX Type-S
21 MPG · $3,900 fuel a year
2026 Genesis G70 RWD
20 MPG · $4,100 fuel a year
2026 Cadillac CT4 V
19 MPG · $4,350 fuel a year