2026 head-to-head · Subcompact Car
2026 BMW 8 Series vs Mercedes-Benz AMG GT Hybrid
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 2026 BMW 8 Series is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,469 a year to fuel (24 MPG), versus $2,693 for the 2026 Mercedes-Benz AMG GT Hybrid (22 MPG). That's roughly $224 a year, or about $1,122 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
- BMW 8 Series
- Mercedes-Benz AMG GT Hybrid
Side by side
| BMW 8 Series | Mercedes-Benz AMG GT Hybrid | |
|---|---|---|
| $2,469 | Your annual fuel cost | $2,693 |
| 24 MPG | Combined efficiency | 22 MPG |
| 21 MPG | City | 19 MPG |
| 29 MPG | Highway | 27 MPG |
| 81 cu ft | Passenger volume | 81 cu ft |
| 15 cu ft | Cargo volume | 16 cu ft |
| 368 g/mi | Tailpipe CO₂ (g/mi) | 405 g/mi |
| 5/10 | EPA fuel economy score | 4/10 |
| 5/10 | EPA greenhouse gas score | 4/10 |
| Gas | Powertrain | Hybrid |
| Premium gasoline | Fuel | Premium gasoline |
| 3.0L 6-cyl turbo | Engine / motor | 2.0L 4-cyl turbo |
| 8-speed automatic | Transmission | 9-speed automatic |
| RWD | Drivetrain | RWD |
✓ 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.
BMW 8 Series vs Mercedes-Benz AMG GT Hybrid across model years
- BMW 8 Series
- Mercedes-Benz AMG GT Hybrid
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
Per EPA interior volume figures, the Mercedes-Benz AMG GT Hybrid has more cargo space (16 vs. 15 cu ft).
Among 26 2026 subcompact cars, the BMW 8 Series ranks 14th and the Mercedes-Benz AMG GT Hybrid 17th for lowest fuel cost.
The powertrains differ: the BMW 8 Series is a conventional gas model, while the Mercedes-Benz AMG GT Hybrid is a full hybrid.
Frequently asked questions
Which is more fuel-efficient, the 2026 BMW 8 Series or the 2026 Mercedes-Benz AMG GT Hybrid?
Measured by cost to drive, the BMW 8 Series. The BMW 8 Series is rated 24 MPG combined and the Mercedes-Benz AMG GT Hybrid 22 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2026 BMW 8 Series vs. the Mercedes-Benz AMG GT Hybrid per year?
At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the BMW 8 Series and $2,693 for the Mercedes-Benz AMG GT Hybrid.
Which has more cargo space?
The Mercedes-Benz AMG GT Hybrid, with 16 cu ft of luggage volume versus 15 cu ft (EPA interior volume index).
BMW 8 Series vs Mercedes-Benz AMG GT Hybrid in other years
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