2015 head-to-head · Subcompact Car
2015 Aston Martin DB9 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 · 5.9L 12-cyl · 6-speed automatic · 15 MPG
The 2015 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 $3,703 a year to fuel (16 MPG), versus $3,950 for the 2015 Aston Martin DB9 (15 MPG). That's roughly $247 a year, or about $1,234 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 DB9
- Bentley Continental GT Convertible
Side by side
| Aston Martin DB9 | Bentley Continental GT Convertible | |
|---|---|---|
| $3,950 | Your annual fuel cost | $3,703 |
| 15 MPG | Combined efficiency | 16 MPG |
| 13 MPG | City | 13 MPG |
| 19 MPG | Highway | 23 MPG |
| 78 cu ft | Passenger volume | 86 cu ft |
| 5 cu ft | Cargo volume | 7 cu ft |
| 584 g/mi | Tailpipe CO₂ (g/mi) | 542 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 |
| 5.9L 12-cyl | Engine / motor | 4.0L 8-cyl turbo |
| 6-speed automatic | Transmission | 8-speed automatic |
| 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 DB9 vs Bentley Continental GT Convertible across model years
- Aston Martin DB9
- 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 (86 vs. 78 cu ft); the Bentley Continental GT Convertible has more cargo space (7 vs. 5 cu ft).
Among 36 2015 subcompact cars, the Aston Martin DB9 ranks 36th and the Bentley Continental GT Convertible 35th for lowest fuel cost.
Frequently asked questions
Which is more fuel-efficient, the 2015 Aston Martin DB9 or the 2015 Bentley Continental GT Convertible?
Measured by cost to drive, the Bentley Continental GT Convertible. The Aston Martin DB9 is rated 15 MPG combined and the Bentley Continental GT Convertible 16 MPG (EPA, most efficient configuration of each).
How much does it cost to fuel the 2015 Aston Martin DB9 vs. the Bentley Continental GT Convertible per year?
At 15,000 miles a year with $3.95/gal premium gas, about $3,950 for the Aston Martin DB9 and $3,703 for the Bentley Continental GT Convertible.
Which has more cargo space?
The Bentley Continental GT Convertible, with 7 cu ft of luggage volume versus 5 cu ft (EPA interior volume index).
Aston Martin DB9 vs Bentley Continental GT Convertible in other years
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