2012 Aston Martin DB9 — Full Specifications
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The 2012 Aston Martin DB9 is a coupe powered by a 5.9L 12-cyl premium gasoline engine. Its most fuel-efficient configuration returns around 18 mpg (UK) / 15 mpg (US EPA) combined, with 16–18 mpg (UK) across all configurations. Owners often keep a Aston Martin DB9 workshop manual to hand for servicing and repairs.
Compared with the 2011 Aston Martin DB9: Fuel economy is essentially unchanged at around 18 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine | 5.9L 12-cyl |
|---|---|
| Transmission | Automatic (S6) |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Coupe |
| Passenger Volume (EPA) | 78 cu ft (2,209 L) |
| Luggage Volume (EPA) | 5 cu ft (142 L) |
| Fuel Economy (UK) | 18 combined / 16 urban / 24 extra-urban mpg |
| Fuel Economy (US EPA) | 15 combined / 13 city / 20 highway mpg |
| CO₂ Emissions | 368 g/km |
| EPA Est. Annual Fuel Cost | $5,500 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2012 Aston Martin DB9, all with the 5.9L 12-cyl engine. Combined fuel economy ranges from 13 to 15 mpg (US), or 16 to 18 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 5.9L 12-cyl | Automatic (S6) | Rear-Wheel Drive | 18 | 15 (13/20) | 368 | $5,500 |
| 5.9L 12-cyl | Manual 6-spd | Rear-Wheel Drive | 16 | 13 (11/17) | 425 | $6,300 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
EPA measures interior passenger volume at 78 cubic feet (about 2,209 litres) and luggage volume at 5 cubic feet (about 142 litres). These are US EPA interior-volume figures; they are measured differently from the boot capacity numbers UK manufacturers quote.
Owner Essentials for the 2012 Aston Martin DB9
Running Costs: 2012 Aston Martin DB9
Covering around 8,000 miles a year in a 2012 Aston Martin DB9 at 18 mpg combined, expect roughly 2,020 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $5,500 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Only need this car occasionally? See our buy vs rent comparison.
2012 Aston Martin DB9 Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
How It Compares
How does the Aston Martin DB9 compare to similar coupes? For context, coupes in our database average around 25 mpg (UK) combined — this model's 18 mpg figure is 7 mpg below that average. Its 368 g/km CO₂ figure is 90 g/km higher than the 278 g/km average for coupes on this site. This comparison is based on 1072 coupes in our dataset.
Aston Martin models in our database average about 20 mpg (UK) combined on their most efficient configuration; the 2012 Aston Martin DB9's 18 mpg is 2 mpg below that make average. Its 368 g/km CO₂ figure is 35 g/km higher than the 333 g/km Aston Martin average.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
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Frequently Asked Questions
What engine does the 2012 Aston Martin DB9 have?
It's fitted with a 5.9L 12-cyl premium gasoline engine, paired with a automatic (s6) transmission.
What is the fuel economy of the 2012 Aston Martin DB9?
The most efficient configuration returns around 18 mpg (UK) combined, or 15 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 16 to 18 mpg.
How much does the 2012 Aston Martin DB9 cost to fuel per year?
The US EPA estimates about $5,500 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
How much interior and luggage space does the 2012 Aston Martin DB9 have?
EPA measures interior passenger volume at 78 cubic feet (about 2,209 litres) and luggage volume at 5 cubic feet (about 142 litres). These are US EPA interior-volume figures, which are measured differently from the UK boot-capacity numbers manufacturers quote.
Is the Aston Martin DB9's fuel economy good for a coupe?
It returns around 18 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the coupes we track.