2014 Aston Martin DB9 — Full Specifications
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The 2014 Aston Martin DB9 is a coupe powered by a 5.9L 12-cyl premium gasoline engine. It returns around 18 mpg (UK) / 15 mpg (US EPA) combined. Owners often keep a Aston Martin DB9 workshop manual to hand for servicing and repairs.
Compared with the 2013 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 / 23 extra-urban mpg |
| Fuel Economy (US EPA) | 15 combined / 13 city / 19 highway mpg |
| CO₂ Emissions | 364 g/km |
| EPA Greenhouse Gas Score | 2 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $5,500 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 1 configuration for the 2014 Aston Martin DB9, all with the 5.9L 12-cyl engine. 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 (13/19) | 364 | $5,500 |
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 2014 Aston Martin DB9
Running Costs: 2014 Aston Martin DB9
Covering around 8,000 miles a year in a 2014 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.
2014 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.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 6 safety recall campaigns that include the 2014 Aston Martin DB9 (as of 6 October 2026). Most affected areas: Power train (2), Vehicle speed control (2), Latches/locks/linkages (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Power train — campaign 17V796000, reported 11 December 2017. Risk: If the park pawl does not engage and the vehicle is stopped on a slope and exited without the parking brake being applied, the vehicle may unexpectedly roll, increasing the risk of a crash.
- Latches/locks/linkages — campaign 15V846000, reported 16 December 2015. Risk: If the doors cannot be opened by an occupant from inside the vehicle, they may be trapped inside, increasing their risk of injury.
- Seats — campaign 14V753000, reported 25 November 2014. Risk: If the electronic control module fails, the seat heater could get hot enough that areas of the seat may overheat and smolder, increasing the risk of injury to the seat occupant.
- Power train — campaign 14V425000, reported 14 July 2014. Risk: If the transmission shifts to neutral, the driver will not be able to maintain speed or move the vehicle out of traffic, increasing the risk of a crash.
Showing the 4 most recent of 6 campaigns.
Owners have filed 1 complaint with NHTSA about the 2014 Aston Martin DB9. The most-reported areas are Electrical system (1). Complaints include 1 reported fire.
Used-buyer checklist for the 2014 Aston Martin DB9
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Transmission & drivetrain (2 recall campaigns) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Throttle & cruise control (2 recall campaigns) — Check throttle response and cruise control are smooth, and ask about any software or throttle recalls.
- Doors & latches (1 recall campaign) — Test every door, boot and bonnet latch and the central locking.
- Seats (1 recall campaign) — Check seat adjusters, head restraints and seat-mounted sensors work, and confirm seat recalls were completed.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
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 364 g/km CO₂ figure is 86 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 2014 Aston Martin DB9's 18 mpg is 2 mpg below that make average. Its 364 g/km CO₂ figure is 31 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.
Recommended Accessories for the 2014 Aston Martin DB9
Frequently Asked Questions
What engine does the 2014 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 2014 Aston Martin DB9?
The most efficient configuration returns around 18 mpg (UK) combined, or 15 mpg on the US EPA cycle.
How much does the 2014 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.
Does the 2014 Aston Martin DB9 have any recalls?
NHTSA lists 6 safety recall campaigns that include the 2014 Aston Martin DB9 (as of 6 October 2026). Most affected areas: Power train (2), Vehicle speed control (2), Latches/locks/linkages (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2014 Aston Martin DB9?
Among the 1 owner complaints filed with NHTSA, the most-reported areas are Electrical system (1 complaint). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
How much interior and luggage space does the 2014 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.