- Newest year: 2025
- Gas
- Standard SUVs
- Same as 2024
2023-2025 INEOS Grenadier MPG & Fuel Cost
3 model years · 14–15 MPG combined
15,000 mi/yr · premium gasoline $5.36/gal (U.S. average, Sep 2026)
Among the costliest standard SUV configurations to fuel, MY2025. Ranked against all rated configurations, not sales-weighted.
2023-2025 INEOS Grenadier at a glance
The 2023-2025 INEOS Grenadier covers 3 model years in the EPA database (6 configurations in all), rated 14–15 MPG combined. The newest model year, 2025, costs about $5,370 a year to fuel for its most efficient version, the Grenadier 3.0L 6-cyl turbo 4WD (15 MPG), at premium gasoline $5.36/gal (U.S. average, Sep 2026). EPA lists identical ratings for every model year of this generation.
2023-2025 INEOS Grenadier by model year
What the 2025 Grenadier 3.0L 6-cyl turbo 4WD costs to drive
Per month
$448
$5,370 a year ÷ 12
Per 25 miles
$8.95
Per 100 miles
$35.80
Five years
$26,850
5 × the yearly cost, prices held at today's level
vs the standard SUV median
$2,250more a year
Class median $3,120 a year, MY2025
Based on 15,000 miles a year and premium gasoline $5.36/gal (U.S. average, Sep 2026).
2025 INEOS Grenadier MPG
EPA lists the same ratings for the 2025 INEOS Grenadier as for the 2024 model, so the configurations and costs are the ones in the 2024 section above.See 2024
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Grenadier (Most efficient) | 3.0L 6-cyl turbo | 4WD | 15 | 15 | 15 | $5,370 |
| Trialmaster Edition | 3.0L 6-cyl turbo | 4WD | 14 | 14 | 14 | $5,790 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
2024 INEOS Grenadier MPG
Same EPA ratings as 2023
EPA lists the same ratings for the 2024 INEOS Grenadier as for the 2023 model, so the configurations and costs are the ones in the 2023 section above.See 2023
2023 INEOS Grenadier MPG
14–15 MPG · $5,370–$5,790/yr
Gas configurations (2)
| Trim | Engine | Drive | City | Hwy | Comb. | $/yr |
|---|---|---|---|---|---|---|
| Grenadier (Most efficient) | 3.0L 6-cyl turbo | 4WD | 15 | 15 | 15 | $5,370 |
| Trialmaster Edition | 3.0L 6-cyl turbo | 4WD | 14 | 14 | 14 | $5,790 |
2 configurations require or recommend higher-octane gasoline and are costed at premium gasoline $5.36/gal (U.S. average, Sep 2026).
Fuel cost by state
Yearly cost of the Grenadier 3.0L 6-cyl turbo 4WD: $6,400 in California and $4,660 in Texas, a $1,740 difference.
- California $6,400
- Washington $6,020
- New York $5,300
- Florida $4,900
- Texas $4,660
Similar cars
Closest combined MPG among MY2025 standard SUV models.
Generations
- 2023-2025
Frequently asked questions
What gas mileage does the 2023-2025 INEOS Grenadier get?
EPA rates the 2023-2025 INEOS Grenadier at 14–15 MPG combined across 6 configurations and 3 model years. The most efficient version, the 2025 Grenadier 3.0L 6-cyl turbo 4WD, is rated 15 MPG (15 city, 15 highway).
Which years had the best MPG in the 2023-2025 INEOS Grenadier?
Every model year of the 2023-2025 INEOS Grenadier tops out at 15 MPG combined, so no year is better than another.
Did EPA ratings change during the 2023-2025 INEOS Grenadier?
No. EPA lists the same ratings for every model year from 2023 to 2025.
How much does it cost to fuel a 2025 INEOS Grenadier per year?
Driving 15,000 miles a year at premium gasoline $5.36/gal (U.S. average, Sep 2026), the Grenadier 3.0L 6-cyl turbo 4WD costs about $5,370 a year. Across all 2 configurations the cost runs $5,370–$5,790 a year. That is a $420 difference between the cheapest and the costliest configuration.
How much does it cost to drive a 2025 INEOS Grenadier 100 miles?
About $35.80 per 100 miles for the Grenadier 3.0L 6-cyl turbo 4WD at premium gasoline $5.36/gal (U.S. average, Sep 2026), and between $35.80 and $38.60 across all configurations. That is the annual cost over 15,000 miles divided by 150.
Is the 2025 INEOS Grenadier more efficient in the city or on the highway?
The Grenadier 3.0L 6-cyl turbo 4WD is rated 15 city and 15 highway MPG, so city and highway driving are equally efficient.
How does the 2025 INEOS Grenadier compare with other standard SUV configurations?
The Grenadier 3.0L 6-cyl turbo 4WD costs about $5,370 a year to fuel, $2,250 more than the class median of $3,120, and less than 0 of 10 standard SUV configurations. The comparison covers all 295 rated standard SUV configurations for MY2025, not weighted by sales.
Is the 2025 INEOS Grenadier different from the 2024 model?
No. EPA lists the same ratings for 2024 and 2025: 2 configurations rated 14–15 MPG combined. See the 2024 INEOS Grenadier for that year.