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INEOS Automotive Grenadier MPG
EPA fuel economy for 6 INEOS Automotive Grenadier trims sold from 2023 to 2025. Best ever: 15 MPG (2025 Grenadier). Latest model year 2025: 14 to 15 MPG combined across 2 trims.
INEOS Automotive Grenadier fuel cost calculator
Enter what you pay for fuel and how far you drive in a year. The starting prices are the ones the EPA uses for its own yearly fuel-cost estimates. Every cost on this page updates as you type.
At $5.16 a gallon for premium and 15,000 miles a year, the cheapest 2025 INEOS Automotive Grenadier to fuel is the Grenadier, 3.0 L, 6 cyl (15 MPG) at $5,160 a year. The Grenadier Trialmaster Edition, 3.0 L, 6 cyl (14 MPG) costs $5,530, so the thriftier trim saves $370 a year and $1,850 over five years.
| 2025 trim | Engine | Transmission | Drive | Fuel | Comb | Cost/yr | vs cheapest |
|---|---|---|---|---|---|---|---|
| Grenadier | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 15 | $5,160 | cheapest |
| Grenadier Trialmaster Edition | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 14 | $5,530 | +$370 |
Cost per year is miles per year divided by the EPA combined rating, times your fuel price; electric vehicles use the EPA's kWh per 100 miles instead. Rounded to the nearest $10. Your prices are kept in this browser only.
INEOS Automotive Grenadier MPG by year
| Year | Best combined | City | Hwy | Best trim that year | Trims |
|---|---|---|---|---|---|
| 2025 | 15 | 15 | 15 | Grenadier, 3.0 L, 6 cyl, Auto (S8) | 2 |
| 2024 | 15 | 15 | 15 | Grenadier, 3.0 L, 6 cyl, Auto (S8) | 2 |
| 2023 | 15 | 15 | 15 | Grenadier, 3.0 L, 6 cyl, Auto (S8) | 2 |
Every INEOS Automotive Grenadier trim
| Year | Trim | Engine | Transmission | Drive | Fuel | City | Hwy | Comb | CO2 g/mi | Fuel cost/yr |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Grenadier | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 15 | 15 | 15 | 592 | $5,160 |
| 2025 | Grenadier Trialmaster Edition | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 14 | 14 | 14 | 633 | $5,530 |
| 2024 | Grenadier | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 15 | 15 | 15 | 592 | $5,160 |
| 2024 | Grenadier Trialmaster Edition | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 14 | 14 | 14 | 633 | $5,530 |
| 2023 | Grenadier | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 15 | 15 | 15 | 592 | $5,160 |
| 2023 | Grenadier Trialmaster Edition | 3.0 L, 6 cyl | Auto (S8) | 4WD | Premium | 14 | 14 | 14 | 633 | $5,530 |
CO2 is tailpipe grams per mile from the EPA test. Fuel cost per year uses the prices and miles in the calculator above (the EPA's own prices and 15,000 miles a year until you change them); blank when the fuel has no price here (hydrogen, natural gas).
Compare with other 2025 Standard Sport Utility Vehicle 4WD
| Vehicle | Combined | City | Hwy |
|---|---|---|---|
| 2025 Lucid Gravity GT w/20F21R wheels (2R) | 108 | 113 | 103 |
| 2025 Audi Q6 Sportback e-tron quattro (19 inch wheels) | 103 | 109 | 97 |
| 2025 Audi Q4 55 e-tron quattro | 100 | 107 | 92 |
| 2025 Honda Prologue AWD Touring | 99 | 108 | 90 |
| 2025 Tesla Model X | 98 | 103 | 94 |
| 2025 Jeep Wagoneer S AWD (Falken tire) | 93 | 100 | 85 |
All Standard Sport Utility Vehicle 4WD ranked by MPG
Questions people ask
What is the best MPG for a INEOS Automotive Grenadier?
The most efficient INEOS Automotive Grenadier the EPA has rated is the 2025 Grenadier at 15 MPG combined (15 city, 15 highway).
What MPG does the 2025 INEOS Automotive Grenadier get?
2025 INEOS Automotive Grenadier trims range from 14 to 15 MPG combined, depending on engine, transmission and drivetrain.
Which INEOS Automotive Grenadier has the worst fuel economy?
The 2025 Grenadier Trialmaster Edition is the lowest rated at 14 MPG combined.
How much does it cost to fuel a INEOS Automotive Grenadier for a year?
At $5.16 a gallon for premium and 15,000 miles a year, the cheapest 2025 INEOS Automotive Grenadier to fuel is the Grenadier, 3.0 L, 6 cyl (15 MPG) at $5,160 a year. The Grenadier Trialmaster Edition, 3.0 L, 6 cyl (14 MPG) costs $5,530, so the thriftier trim saves $370 a year and $1,850 over five years.
More from INEOS Automotive: every INEOS Automotive model. Fuel types on this model: Premium. EPA classes: Standard Sport Utility Vehicle 4WD.