2023 head-to-head · Midsize & Large SUV
2023 INEOS Automotive Grenadier vs Mercedes-Benz G-Class
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
The 2023 INEOS Automotive Grenadier is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,950 a year to fuel (15 MPG), versus $4,232 for the 2023 Mercedes-Benz G-Class (14 MPG). That's roughly $282 a year, or about $1,411 over five years.
Your numbers
Change these to match your driving and local prices. Every figure and chart on this page updates.
Fuel cost over 10 years
- INEOS Automotive Grenadier
- Mercedes-Benz G-Class
Side by side
| INEOS Automotive Grenadier | Mercedes-Benz G-Class | |
|---|---|---|
| $3,950 | Your annual fuel cost | $4,232 |
| 15 MPG | Combined efficiency | 14 MPG |
| 15 MPG | City | 13 MPG |
| 15 MPG | Highway | 16 MPG |
| 592 g/mi | Tailpipe CO₂ (g/mi) | 617 g/mi |
| 2/10 | EPA fuel economy score | 2/10 |
| 2/10 | EPA greenhouse gas score | 2/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| 4WD | Drivetrain | 4WD |
✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.
INEOS Automotive Grenadier vs Mercedes-Benz G-Class across model years
- INEOS Automotive Grenadier
- Mercedes-Benz G-Class
Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.
How they differ
Among 73 2023 midsize & large SUVs, the INEOS Automotive Grenadier ranks 72nd and the Mercedes-Benz G-Class 73rd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2023 INEOS Automotive Grenadier or the 2023 Mercedes-Benz G-Class?
Measured by cost to drive, the INEOS Automotive Grenadier. The INEOS Automotive Grenadier is rated 15 MPG combined and the Mercedes-Benz G-Class 14 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2023 INEOS Automotive Grenadier vs. the Mercedes-Benz G-Class per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,950 for the INEOS Automotive Grenadier and $4,232 for the Mercedes-Benz G-Class.
INEOS Automotive Grenadier vs Mercedes-Benz G-Class in other years
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