BMW M5 vs. Porsche 911
iSeeCars' unbiased and data-driven comparison of the BMW M5 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 BMW M5 and the Porsche 911.
In comparing the BMW M5's and the Porsche 911's specifications and ratings, the BMW M5 has the advantage in the areas of new vehicle base pricing, typical lower range of pricing for one- to five-year-old used cars, and base engine power. The Porsche 911 has the advantage in the areas of fuel efficiency, reliability, resale value and overall quality score. Based on this comparison of the BMW M5's and the Porsche 911's specifications and ratings, the Porsche 911 is a better car than the BMW M5.
Pricing: A used 2025 BMW M5 ranges from $126,195 to $162,495 while a used 2025 Porsche 911 is priced between $208,929 to $277,894. For a new model, the BMW M5's price is between $127,900 and $147,676, with the Porsche 911 priced between $196,297 and $245,415.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the BMW M5 loses 53.7 percent of its value and the Porsche 911 loses 28.5 percent of its value. This means the Porsche 911 retains 25.2 percentage points more of its value and has the advantage of higher resale value versus the BMW M5.
Quality Rating: The iSeeCars Overall Quality rating for the BMW M5 is 7.5 out of 10 while the Porsche 911's quality rating is 8.8 out of 10. This results in the BMW M5 being ranked 19 out of 34 Best Luxury Hybrid Cars and the Porsche 911 being ranked 4 out of 34.
Reliability Rating: iSeeCars’ Reliability Rating for the BMW M5 is 7.3 out of 10. For the Porsche 911 the reliability rating is 8.3 out of 10. This gives the Porsche 911 an advantage in reliability compared to the BMW M5.
Engine Power and Fuel Efficiency Comparison: For engine performance, the BMW M5’s base engine makes 717 horsepower, and the Porsche 911 base engine makes 532 horsepower. The M5 is rated to deliver an average of 13 miles per gallon, with a highway range of 295 miles. The 911 is rated to deliver an average of 19 miles per gallon, with a highway range of 382 miles. This gives the Porsche 911 the fuel efficiency and maximum range advantage over the BMW M5. The M5 uses electricity, premium unleaded, and the 911 uses premium unleaded.
New Car Pricing
Asking Price:
$127,900 - $147,676
Starting MSRP:
$121,500
Category Avg Starting MSRP:
(Luxury Hybrid Midsize Cars)
$101,506
Category Starting MSRP Range:
(Luxury Hybrid Midsize Cars)
$43,540 - $198,950
New Car Pricing
Asking Price:
$196,297 - $245,415
Starting MSRP:
$178,200
Category Avg Starting MSRP:
(Luxury Hybrid Sports Cars)
$150,675
Category Starting MSRP Range:
(Luxury Hybrid Sports Cars)
$106,900 - $207,000
Used Car Pricing
Avg Used Car Price:
$145,851
Price Range:
$126,195 - $162,495
Category Avg Price:
(Luxury Hybrid Midsize Cars)
$96,416
Category Avg Price Range:
(Luxury Hybrid Midsize Cars)
$47,366 - $145,851
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
$246,704
Price Range:
$208,929 - $277,894
Category Avg Price:
(Luxury Hybrid Sports Cars)
$172,109
Category Avg Price Range:
(Luxury Hybrid Sports Cars)
$113,606 - $246,704
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
5-year Depreciation
Depreciation $:
Depreciation %:
Resale Value $:
Typical Category Depreciation %:
(Luxury Hybrid Midsize Cars)
45.6%
Category Depreciation Range:
(Luxury Hybrid Midsize Cars)
45.2% - 59.5%
5-year Depreciation
Depreciation $:
$51,681
Depreciation %:
29%
Resale Value $:
$126,519
Typical Category Depreciation %:
(Luxury Hybrid Sports Cars)
49.5%
Category Depreciation Range:
(Luxury Hybrid Sports Cars)
19.3% - 50.5%
BMW M5 Scores & Rankings
Overall Score:
7.5 / 10
Reliability:
7.3 / 10
Retained Value:
7.6 / 10
Safety:
Not available
Porsche 911 Scores & Rankings
Overall Score:
8.8 / 10
Reliability:
8.3 / 10
Retained Value:
9.2 / 10
Safety:
Not available
iSeeCars Reliability Insights for BMW M5
Avg Life Expectancy (years):
Typical Category Life Expectancy:
N/A
Category Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
iSeeCars Reliability Insights for Porsche 911
Avg Life Expectancy (years):
Typical Category Life Expectancy:
N/A
Category Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
6.9
Typical Category Recalls:
(Luxury Hybrid Midsize Cars)
6.6
Category Range for Recalls:
(Luxury Hybrid Midsize Cars)
1.7 - 35.8
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
7.2
Typical Category Recalls:
(Luxury Hybrid Sports Cars)
3.9
Category Range for Recalls:
(Luxury Hybrid Sports Cars)
1.7 - 7.2
BMW M5 Rankings
Ranking
1 out of / 34Ranking
1 out of / 26Ranking
6 out of / 26Ranking
8 out of / 34Ranking
10 out of / 34Ranking
11 out of / 26Ranking
12 out of / 16Ranking
14 out of / 26Ranking
15 out of / 26Ranking
17 out of / 23Ranking
19 out of / 34Ranking
19 out of / 34Ranking
20 out of / 34Porsche 911 Rankings
Ranking
1 out of / 3Ranking
2 out of / 4Ranking
2 out of / 4Ranking
2 out of / 3Ranking
2 out of / 3Ranking
3 out of / 34Ranking
3 out of / 10Ranking
3 out of / 3Ranking
4 out of / 34Ranking
4 out of / 34Ranking
4 out of / 10Ranking
6 out of / 8Ranking
7 out of / 10Ranking
11 out of / 34Ranking
20 out of / 23Ranking
22 out of / 34Available Body Styles
Sedan, Wagon
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Plug-In Hybrid
Available Drivetrain Options
Gasoline, Hybrid
BMW M5 Trim Levels
Not yet available
Porsche 911 Trim Levels
Not yet available
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 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
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
Not yet available
2026 NHTSA Overall Rating:
Not yet available
2026 NHTSA Front Crash Overall Rating:
Not yet available
2026 NHTSA Side Crash Overall Rating:
Not yet available
2026 NHTSA Rollover Rating:
Not yet available
IIHS Safety Rating:
Not yet available
Base Drivetrain Specs
Horsepower:
717 hp @ 5600 rpm
Torque:
738 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.130 hp per pound
Base Drivetrain Specs
Horsepower:
532 hp @ 6500 rpm
Torque:
449 foot-lbs @ 2000 rpm
Power-to-Weight Ratio (higher is better):
0.143 hp per pound
Engine Specifications
Engine Size:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
11 / 17 / 13
Range (city/hwy):
200 / 295 miles
Recommended Fuel Type:
Electricity, Premium Unleaded
Engine Specifications
Engine Size:
3.6 liters
Engine Configuration:
Flat/Horizontally Opposed
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
17 / 23 / 19
Range (city/hwy):
282 / 382 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Automatic Parking:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Panoramic Sunroof/Moonroof
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Automatic Parking:
Available
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Standard
Internet Radio:
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
N/A
Voice Recognition:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Adaptive Cruise Control:
Available
Cooled/Ventilated Seats:
Available
Air Suspension:
N/A
Captain's seat:
N/A
Front Bench Seats:
N/A
Massage Seats:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Standard
Rear Seat Reminder:
Standard
360-Degree Camera:
N/A
Safety Features
Backup camera:
Standard
Blind Spot Monitoring:
Available
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
360-Degree Camera:
Available
Interior Dimensions
Front Head Room:
38.9 inches
Front Leg Room:
Not yet available
Front Shoulder Room:
Not yet available
Rear Head Room:
37.6 inches
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
27.2 cubic feet
Cargo Space, 2nd-row seat folded down:
67 cubic feet
Cargo Space, 3rd-row seat folded down:
Not yet available
Overall Interior Volume:
131.2 cubic feet
Interior Dimensions
Front Head Room:
Not yet available
Front Leg Room:
Not yet available
Front Shoulder Room:
Not yet available
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
4.8 cubic feet
Cargo Space, 2nd-row seat folded down:
Not yet available
Cargo Space, 3rd-row seat folded down:
Not yet available
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
5523 lbs
Width:
84.9 inches
Height:
59.7 inches
Length:
200.6 inches
Wheelbase:
118.3 inches
Ground Clearance:
5 inches
Exterior Dimensions
Curb Weight:
3724 lbs
Width:
80 inches
Height:
50.9 inches
Length:
179.3 inches
Wheelbase:
96.5 inches
Ground Clearance:
4.3 inches
Standard Wheel/Tire Information
Wheel Size:
20.0 x 10.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
285/40R20
Standard Wheel/Tire Information
Wheel Size:
20.0 x 8.5 inches
Wheel Type:
painted aluminum alloy
Tire Size:
245/35ZR20
Exterior Colors
Black
Black Sapphire Metallic / Carbon Black Metallic
Blue
Marina Bay Blue Metallic
Gray
Brooklyn Grey Metallic / Dark Graphite Metallic / Frozen Deep Grey Metallic / Storm Bay Metallic
Green
Isle of Man Green Metallic
Red
Vegas Red Metallic
White
Alpine White
Silver
Not available
Yellow
Not available
Exterior Colors
Black
Black / Jet Black Metallic
Blue
Gentian Blue Metallic / Lugano Blue
Gray
Chalk / Ice Grey Metallic / Slate Grey Neo
Green
Shade Green Metallic / Vanadium Grey Metallic
Red
Carmine Red / Guards Red
White
White
Silver
GT Silver Metallic
Yellow
Cartagena Yellow Metallic
Interior Colors
Black
Black
Gray
Silverstone/Black / Taupe Grey/Deep Lagoon
Orange
Kyalami Orange/Black
Purple
Dark Violet/Black
Red
Red/Black
Beige
Not available
Blue
Not available
Brown
Not available
Interior Colors
Black
Basalt Black / Black / Black w/ Chalk Stitching / Black/Choice of Color / Carmine Red / Slate Grey Neo
Gray
Dark Night Blue/Chalk / Slate Grey/Chalk / Slate Grey/Choice of Color
Orange
Not available
Purple
Not available
Red
Black/Bordeaux Red / Bordeaux Red / Bordeaux Red w/ Chalk Stitching / Bordeaux Red/Choice of Color
Beige
Black/Limestone Beige
Blue
Dark Night Blue / Dark Night Blue w/ Chalk Stitching [Leather] / Graphite Blue/Choice of Color
Brown
Basalt Black/Classic Cognac / Truffle Brown
