Audi RS 6 vs. BMW M5
iSeeCars' unbiased and data-driven comparison of the Audi RS 6 and BMW M5 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 Audi RS 6 and the BMW M5.
When comparing the Audi RS 6's and the BMW M5's specifications and ratings, the Audi RS 6 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency and base engine power. Based on this comparison of the Audi RS 6's and the BMW M5's specifications and ratings, the Audi RS 6 is a better car than the BMW M5.
Pricing: A used 2003 Audi RS 6 ranges from $9,995 to $28,788 while a used 2003 BMW M5 is priced between $19,200 to $81,740.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi RS 6’s base engine makes 450 horsepower, and the BMW M5 base engine makes 394 horsepower. The RS 6 is rated to deliver an average of 16 miles per gallon, with a highway range of 420 miles. The M5 is rated to deliver an average of 15 miles per gallon, with a highway range of 342 miles. This gives the Audi RS 6 the fuel efficiency and maximum range advantage over the BMW M5. Both models use gasoline.
New Car Pricing
Asking Price:
-
Starting MSRP:
$83,360
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$71,095
Category Avg Starting MSRP:
(Luxury Midsize Cars)
$40,879
Category Starting MSRP Range:
(Luxury Midsize Cars)
$24,895 - $71,095
Used Car Pricing
Avg Used Car Price:
$17,537
Price Range:
$9,995 - $28,788
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
Avg Mileage of Used Cars for Sale:
# Good or Great Deals:
Used Car Pricing
Avg Used Car Price:
$42,512
Price Range:
$19,200 - $81,740
Category Avg Price:
(Luxury Midsize Cars)
$11,021
Category Avg Price Range:
(Luxury Midsize Cars)
$5,278 - $42,512
# Used Cars for Sale Nationally:
6
Avg Mileage of Used Cars for Sale:
105,914
# Good or Great Deals:
0
Audi RS 6 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
BMW M5 Scores & Rankings
Overall Score:
7.3 / 10
Reliability:
7.6 / 10
Retained Value:
7.1 / 10
Safety:
Not available
iSeeCars Reliability Insights for Audi RS 6
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 BMW M5
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:
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.1
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.5
Typical Category Recalls:
(Luxury Midsize Cars)
5.1
Category Range for Recalls:
(Luxury Midsize Cars)
0.9 - 6.9
Audi RS 6 Rankings
Not yet available
BMW M5 Rankings
Ranking
2 out of / 29Ranking
4 out of / 29Ranking
4 out of / 29Ranking
9 out of / 9Ranking
13 out of / 29Ranking
14 out of / 29Ranking
15 out of / 29Ranking
17 out of / 29Ranking
19 out of / 20Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Audi RS 6 Trim Levels
quattro
BMW M5 Trim Levels
Base
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
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:
450 hp @ 5700 rpm
Torque:
415 foot-lbs @ 1950 rpm
Power-to-Weight Ratio (higher is better):
0.112 hp per pound
Base Drivetrain Specs
Horsepower:
394 hp @ 6600 rpm
Torque:
368 foot-lbs @ 3800 rpm
Power-to-Weight Ratio (higher is better):
0.098 hp per pound
Engine Specifications
Engine Size:
4.2 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 20 / 16
Range (city/hwy):
294 / 420 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
4.9 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
12 / 19 / 15
Range (city/hwy):
216 / 342 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Parking Sensors:
Standard
Sunroof/Moonroof:
Standard
Navigation System:
Available
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bluetooth:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Power outlet:
N/A
Quad Seats:
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Satellite radio:
N/A
Trailer Hitch:
N/A
Voice Recognition:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bench Seats:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Parking Sensors:
Available
Sunroof/Moonroof:
Standard
Navigation System:
Standard
Adaptive Cruise Control:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bluetooth:
N/A
Captain's seat:
N/A
Cooled/Ventilated Seats:
N/A
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Keyless Ignition:
N/A
Massage Seats:
N/A
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Power Lift Gate:
N/A
Power outlet:
N/A
Quad Seats:
N/A
Roadside assistance:
N/A
Roof Rack:
N/A
Satellite radio:
N/A
Trailer Hitch:
N/A
Voice Recognition:
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:
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
Interior Dimensions
Front Head Room:
38.6 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
58.6 inches
Rear Head Room:
37.6 inches
Rear Leg Room:
37.3 inches
Rear Shoulder Room:
57.3 inches
Cargo Space:
15 cubic feet
Overall Interior Volume:
98.3 cubic feet
Interior Dimensions
Front Head Room:
37.4 inches
Front Leg Room:
41.7 inches
Front Shoulder Room:
56.8 inches
Rear Head Room:
37.2 inches
Rear Leg Room:
34.2 inches
Rear Shoulder Room:
55.9 inches
Cargo Space:
Not yet available
Overall Interior Volume:
Not yet available
Exterior Dimensions
Curb Weight:
4024 lbs
Width:
78.4 inches
Height:
56.1 inches
Length:
191.3 inches
Wheelbase:
108.6 inches
Ground Clearance:
4.1 inches
Exterior Dimensions
Curb Weight:
4024 lbs
Width:
70.9 inches
Height:
56.6 inches
Length:
188.3 inches
Wheelbase:
111.4 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
18.0 inches
Wheel Type:
aluminum alloy
Tire Size:
255/40ZR18
Standard Wheel/Tire Information
Wheel Size:
18.0 inches
Wheel Type:
aluminum alloy
Tire Size:
275/35ZR18
Exterior Colors
Black
Ebony Pearl
Blue
Mugello Blue
Gray
Daytona Gray
Green
Goodwood Green
Red
Misano Red
Silver
Avus Silver
White
Not available
Exterior Colors
Black
Carbon Black Metallic / Jet Black
Blue
Le Mans Blue Metallic
Gray
Sterling Gray Metallic
Green
Oxford Green Metallic
Red
Chiaretto Red Metallic / Imola Red
Silver
Blue Water Metallic / Titanium Silver Metallic
White
Alpine White
Interior Colors
Black
Ebony
Silver
Silver
Beige
Not available
Blue
Not available
Gray
Not available
Red
Not available
Interior Colors
Black
Black Nappa Heritage / Black Nappa Point
Silver
Not available
Beige
Caramel Nappa Heritage
Blue
Le Mans Blue Nappa Point
Gray
Silverstone Nappa Point
Red
Imola Red Nappa Point