- Gas
- Standard SUVs
- MY2023–2025
INEOS Grenadier MPG & Fuel Cost by Year
3 model years · 2023–2025
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
INEOS Grenadier fuel economy at a glance
EPA has rated the INEOS Grenadier for 3 model years, 2023 to 2025. Across those years its combined rating runs 14–15 MPG. The latest model year, 2025, has 2 configurations rated 14–15 MPG combined and costing $5,370–$5,790 a year to fuel at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2023 is the 2025 Grenadier 3.0L 6-cyl turbo 4WD, at 15 MPG.
INEOS Grenadier MPG by year
| Year | Gas (MPG) | $/yr |
|---|---|---|
| 2023-2025 Generation page | ||
| 2025 | 14–15 | $5,370–$5,790 |
| 2024 | 14–15 | $5,370–$5,790 |
| 2023 | 14–15 | $5,370–$5,790 |
Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.
INEOS Grenadier generations
1 generations between 2023 and 2025. Open one for the table of every model year and configuration.
2025 powertrain options
Frequently asked questions
What is the INEOS Grenadier's gas mileage by year?
EPA combined ratings for the INEOS Grenadier run 14–15 MPG across model years 2023 to 2025. The latest year, 2025, is rated 14–15 MPG.
Which INEOS Grenadier model year has the best gas mileage?
The 2025 INEOS Grenadier Grenadier 3.0L 6-cyl turbo 4WD has the highest combined rating since 2023, at 15 MPG.
How much does a INEOS Grenadier cost to fuel per year?
For MY2025, EPA-rated configurations cost $5,370–$5,790 a year to fuel, driving 15,000 miles at premium gasoline $5.36/gal (U.S. average, Sep 2026). The most efficient one costs $5,370.
Has the INEOS Grenadier's fuel economy improved over time?
Not much. The most efficient configuration is rated 15 MPG in both 2023 and 2025.
Which INEOS Grenadier model years have the same ratings?
EPA lists identical ratings as the previous year for 2024, 2025. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.