2020 head-to-head · Subcompact Car
2020 Aston Martin DBS vs Bentley Continental GT Convertible
MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.
RWD · 5.2L 12-cyl turbo · 8-speed automatic · 17 MPG
AWD · 4.0L 8-cyl turbo · 8-speed dual-clutch · 19 MPG
The 2020 Bentley Continental GT Convertible is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $3,118 a year to fuel (19 MPG), versus $3,485 for the 2020 Aston Martin DBS (17 MPG). That's roughly $367 a year, or about $1,834 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
- Aston Martin DBS
- Bentley Continental GT Convertible
Side by side
| Aston Martin DBS | Bentley Continental GT Convertible | |
|---|---|---|
| $3,485 | Your annual fuel cost | $3,118 |
| 17 MPG | Combined efficiency | 19 MPG |
| 14 MPG | City | 16 MPG |
| 22 MPG | Highway | 26 MPG |
| 72 cu ft | Passenger volume | 77 cu ft |
| 9 cu ft | Cargo volume | 6 cu ft |
| 522 g/mi | Tailpipe CO₂ (g/mi) | 469 g/mi |
| 3/10 | EPA fuel economy score | 3/10 |
| 3/10 | EPA greenhouse gas score | 3/10 |
| Gas | Powertrain | Gas |
| Premium gasoline | Fuel | Premium gasoline |
| 5.2L 12-cyl turbo | Engine / motor | 4.0L 8-cyl turbo |
| 8-speed automatic | Transmission | 8-speed dual-clutch |
| RWD | Drivetrain | AWD |
✓ 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.
Aston Martin DBS vs Bentley Continental GT Convertible across model years
- Aston Martin DBS
- Bentley Continental GT Convertible
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 Bentley Continental GT Convertible has more passenger space (77 vs. 72 cu ft); the Aston Martin DBS has more cargo space (9 vs. 6 cu ft).
Among 39 2020 subcompact cars, the Aston Martin DBS ranks 36th and the Bentley Continental GT Convertible 32nd for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2020 Aston Martin DBS or the 2020 Bentley Continental GT Convertible?
Measured by cost to drive, the Bentley Continental GT Convertible. The Aston Martin DBS is rated 17 MPG combined and the Bentley Continental GT Convertible 19 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2020 Aston Martin DBS vs. the Bentley Continental GT Convertible per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,485 for the Aston Martin DBS and $3,118 for the Bentley Continental GT Convertible.
Which has more cargo space?
The Aston Martin DBS, with 9 cu ft of luggage volume versus 6 cu ft (EPA interior volume index).
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