Aston Martin DB9 vs. Porsche 911
iSeeCars' unbiased and data-driven comparison of the Aston Martin DB9 and Porsche 911 contrasts the two cars across a broad spectrum of vehicle specifications to determine which car is better. In addition to comparing pricing and specs, iSeeCars uses all the ratings, rankings, and insights from its comprehensive analyses of each vehicle model, including calculations of reliability, safety, depreciation, value retention, and the vehicle's projected lifetime recalls (based on analyzing over 25 billion data points). This in-depth evaluation is used to identify which vehicle represents a better overall choice for shoppers who are considering both the Aston Martin DB9 and the Porsche 911.
When we compare the Aston Martin DB9's and the Porsche 911's specifications and ratings, the Aston Martin DB9 has the advantage in the area of base engine power. The Porsche 911 has the advantage in the area of fuel efficiency. Based on this comparison of the Aston Martin DB9's and the Porsche 911's specifications and ratings, the two cars are fairly comparable.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Aston Martin DB9’s base engine makes 540 horsepower, and the Porsche 911 base engine makes 350 horsepower. The DB9 is rated to deliver an average of 15 miles per gallon, with a highway range of 391 miles. The 911 is rated to deliver an average of 22 miles per gallon, with a highway range of 456 miles. This gives the Porsche 911 the fuel efficiency and maximum range advantage over the Aston Martin DB9. Both models use gasoline.
New Car Pricing
Asking Price:
-
Starting MSRP:
$198,250
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$84,300
Category Avg Starting MSRP:
(Luxury Sports Cars)
$74,424
Category Starting MSRP Range:
(Luxury Sports Cars)
$42,900 - $145,740
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
0
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
0
Used Car Pricing
Avg Used Car Price:
$157,066
Price Range:
$68,254 - $229,286
Category Avg Price:
(Luxury Sports Cars)
$51,407
Category Avg Price Range:
(Luxury Sports Cars)
$24,778 - $157,066
# Used Cars for Sale Nationally:
65
Avg Mileage of Used Cars for Sale:
26,551
# Good or Great Deals:
15
Aston Martin DB9 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
Porsche 911 Scores & Rankings
Overall Score:
9.2 / 10
Reliability:
8.4 / 10
Retained Value:
10.0 / 10
Safety:
Not available
iSeeCars Reliability Insights for Aston Martin DB9
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Porsche 911
Remaining Life Expectancy (years):
Typical Category Remaining Life Expectancy:
(Luxury Sports Cars)
4.9
Category Remaining Life Expectancy Range:
(Luxury Sports Cars)
0.7 - 9.2
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
1.2
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
9.4
Typical Category Recalls:
(Luxury Sports Cars)
1.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 9.4
Aston Martin DB9 Rankings
Not yet available
Porsche 911 Rankings
Ranking
1 out of / 41Ranking
1 out of / 41Ranking
2 out of / 41Ranking
4 out of / 41Ranking
21 out of / 32Ranking
31 out of / 41Available Body Styles
Convertible, Coupe
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Aston Martin DB9 Trim Levels
Not yet available
Porsche 911 Trim Levels
Not yet available
Warranty Information
Warranty, Bumper-to-Bumper:
3 years
Warranty, Powertrain:
3 years
Warranty, Roadside Assistance:
2 years
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2025 NHTSA Overall Rating:
Not yet available
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
540 hp @ 6500 rpm
Torque:
457 foot-lbs @ 5500 rpm
Power-to-Weight Ratio (higher is better):
0.132 hp per pound
Base Drivetrain Specs
Horsepower:
350 hp @ 7400 rpm
Torque:
287 foot-lbs @ 5600 rpm
Power-to-Weight Ratio (higher is better):
0.115 hp per pound
Engine Specifications
Engine Size:
6 liters
Engine Configuration:
V
Number of Cylinders:
12
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
13 / 19 / 15
Range (city/hwy):
268 / 391 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
3.4 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
19 / 27 / 22
Range (city/hwy):
321 / 456 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Quad Seats:
Standard
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Seats
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Navigation System:
Available
Paddle Shifters:
Available
Parking Sensors:
Available
Power Lift Gate:
N/A
Power outlet:
Standard
Quad Seats:
N/A
Satellite radio:
Standard
Voice Recognition:
Standard
Adaptive Cruise Control:
Available
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
Standard
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Heated Seats
Available
Heated Steering Wheel:
Available
Internet Radio:
N/A
Keyless Ignition:
Available
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Sunroof/Moonroof:
Available
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Safety Features
360-Degree Camera:
N/A
Backup camera:
Available
Blind Spot Monitoring:
N/A
Driver Attention Monitoring:
N/A
Forward Collision Warning:
N/A
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
N/A
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
36.2 inches
Front Leg Room:
42.7 inches
Front Shoulder Room:
54.8 inches
Rear Head Room:
31.1 inches
Rear Leg Room:
24.9 inches
Rear Shoulder Room:
48.8 inches
Cargo Space:
6.6 cubic feet
Overall Interior Volume:
Not yet available
Interior Dimensions
Front Head Room:
38.4 inches
Front Leg Room:
41.6 inches
Front Shoulder Room:
51.5 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
9.1 cubic feet
Overall Interior Volume:
70.0 cubic feet
Exterior Dimensions
Curb Weight:
4100 lbs
Width:
81.1 inches
Height:
50.4 inches
Length:
185.8 inches
Wheelbase:
108.1 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3042 lbs
Width:
71.2 inches
Height:
51.3 inches
Length:
176.8 inches
Wheelbase:
96.5 inches
Ground Clearance:
4.6 inches
Standard Wheel/Tire Information
Wheel Size:
20.0 x 8.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
245/35ZR20
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
235/40ZR19
Exterior Colors
Beige
Arizona Bronze / Selene Bronze
Black
Jet Black / Marron Black / Onyx Black / Storm Black / Ultramarine Black
Blue
Cobalt Blue / Concours Blue / Mako Blue / Mariana Blue / Midnight Blue / Ocellus Teal / Sea Storm
Gray
China Grey / Grey Bull / Kopi Bronze / Quantum Silver / Silver Fox / Tungsten Silver
Green
Appletree Green / Hardly Green / Viridian Green
Orange
Madagascar Orange
Red
Diavolo Red / Divine Red / Volcano Red
Silver
Hammerhead Silver / Lightning Silver / Meteorite Silver / Scintilla Silver / Silver Blonde / Skyfall Silver
White
Morning Frost White / Stratus White
Yellow
Sunburst Yellow / Yellow Tang
Brown
Not available
Gold
Not available
Exterior Colors
Beige
Not available
Black
Black / Jet Black Metallic
Blue
Dark Blue Metallic / Sapphire Blue Metallic
Gray
Agate Grey Metallic
Green
Not available
Orange
Not available
Red
Guards Red
Silver
GT Silver Metallic / Rhodium Silver Metallic
White
Carrara White Metallic / White
Yellow
Racing Yellow
Brown
Anthracite Brown Metallic / Mahogany Metallic
Gold
Lime Gold Metallic
Interior Colors
Beige
Chestnut / Kestrel Tan / Sahara Tan / Sandstorm
Black
Black Damson / Dark Knight / Obsidian Black / Pure Black
Blue
Aurora Blue / Spectral Blue / True Teal
Brown
Bitter Chocolate / Cream Truffle / Dark Mocha / Ice Mocha / Winter Wheat
Gray
Argento Grey / Bronze Metallic / Phantom Grey
Green
Parliament Green / Royal Mint
Orange
California Poppy / Madagascar Orange
Pink
Fandango Pink
Purple
Deep Purple
Red
Chancellor Red / Lords Red / Spicy Red / Vivid Red
White
Ivory
Yellow
Electron Yellow
Interior Colors
Beige
Luxor Beige
Black
Black / Black/Garnet Red / Black/Luxor Beige / Black/Platinum Grey
Blue
Yachting Blue
Brown
Espresso / Espresso/Cognac
Gray
Agate Grey / Agate Grey/Pebble Grey / Platinum Grey
Green
Not available
Orange
Not available
Pink
Not available
Purple
Not available
Red
Garnet Red
White
Not available
Yellow
Not available
