2012 Mercedes-Benz SL-Class vs. 2013 BMW M6
iSeeCars' unbiased and data-driven comparison of the 2012 Mercedes-Benz SL-Class and 2013 BMW M6 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 2012 Mercedes-Benz SL-Class and the 2013 BMW M6.
When we compare the 2012 Mercedes-Benz SL-Class's and the 2013 BMW M6's specifications and ratings, the 2012 Mercedes-Benz SL-Class has the advantage in the areas of typical lower range of pricing for used cars, and fuel efficiency. The 2013 BMW M6 has the advantage in the areas of interior volume and base engine power. Based on this comparison of the 2012 Mercedes-Benz SL-Class's and the 2013 BMW M6's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2012 Mercedes-Benz SL-Class ranges from $13,812 to $37,917 while a used 2013 BMW M6 is priced between $21,924 to $36,579.
Engine Power and Fuel Efficiency Comparison: For engine performance, the 2012 Mercedes-Benz SL-Class’s base engine makes 382 horsepower, and the 2013 BMW M6 base engine makes 552 horsepower. The SL-Class is rated to deliver an average of 17 miles per gallon, with a highway range of 464 miles. The M6 is rated to deliver an average of 16 miles per gallon, with a highway range of 422 miles. This gives the 2012 Mercedes-Benz SL-Class the fuel efficiency and maximum range advantage over the 2013 BMW M6. Both models use gasoline.
Passenger Space Comparison: The 2013 BMW M6 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, and cargo space.
New Car Pricing
Asking Price:
-
Starting MSRP:
103650
Category Avg Starting MSRP:
(Luxury Sports Cars)
77515
Category Starting MSRP Range:
(Luxury Sports Cars)
38300 - 137300
New Car Pricing
Asking Price:
-
Starting MSRP:
114650
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
Used Car Pricing
Avg Used Car Price:
27100
Price Range:
13812 - 37917
Category Avg Price:
(Luxury Sports Cars)
42902
Category Avg Price Range:
(Luxury Sports Cars)
13568 - 104041
# Used Cars for Sale Nationally:
4
Avg Mileage of Used Cars for Sale:
71530
# Good or Great Deals:
1
Used Car Pricing
Avg Used Car Price:
28492
Price Range:
21924 - 36579
Category Avg Price:
N/A
Category Avg Price Range:
N/A
# Used Cars for Sale Nationally:
11
Avg Mileage of Used Cars for Sale:
64268
# Good or Great Deals:
2
Mercedes-Benz SL-Class Scores & Rankings
Overall Score:
7.9 / 10
Reliability:
7.8 / 10
Retained Value:
8.0 / 10
Safety:
Not available
BMW M6 Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
iSeeCars Reliability Insights for 2012 Mercedes-Benz SL-Class
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 2013 BMW M6
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:
1.5438239507654645
Typical Category Recalls:
(Luxury Sports Cars)
1.1
Category Range for Recalls:
(Luxury Sports Cars)
0.9 - 14.4
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
4.367369818569767
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Mercedes-Benz SL-Class Rankings
Ranking
5 out of / 23Ranking
6 out of / 23Ranking
6 out of / 23Ranking
7 out of / 38Ranking
9 out of / 38Ranking
9 out of / 12Ranking
10 out of / 38Ranking
12 out of / 38Ranking
12 out of / 23Ranking
14 out of / 23Ranking
15 out of / 23Ranking
15 out of / 21Ranking
19 out of / 38Ranking
22 out of / 38Ranking
31 out of / 38BMW M6 Rankings
Available Body Styles
Convertible
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
2012 Mercedes-Benz SL-Class Trim Levels
SL 550, SL 63 AMG
2013 BMW M6 Trim Levels
Not yet available
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years
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:
382 hp @ 6000 rpm
Torque:
391 foot-lbs @ 2800 rpm
Power-to-Weight Ratio (higher is better):
0.093 hp per pound
Base Drivetrain Specs
Horsepower:
552 hp @ 6000 rpm
Torque:
502 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.122 hp per pound
Engine Specifications
Engine Size:
5.5 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 22 / 17
Range (city/hwy):
295 / 464 miles
Recommended Fuel Type:
Gasoline
Engine Specifications
Engine Size:
4.4 liters
Engine Configuration:
V
Number of Cylinders:
8
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
14 / 20 / 16
Range (city/hwy):
295 / 422 miles
Recommended Fuel Type:
Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Adaptive Cruise Control:
Available
Massage Seats:
Available
Panoramic Sunroof/Moonroof
Available
Parking Sensors:
Available
Sunroof/Moonroof:
Available
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 Steering Wheel:
N/A
Internet Radio:
N/A
Paddle Shifters:
N/A
Power Lift Gate:
N/A
Power outlet:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Voice Recognition:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Adaptive Cruise Control:
N/A
Massage Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Parking Sensors:
Standard
Sunroof/Moonroof:
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:
Available
Front Bench Seats:
N/A
Heated Steering Wheel:
Available
Internet Radio:
N/A
Paddle Shifters:
N/A
Power Lift Gate:
N/A
Power outlet:
Standard
Quad Seats:
Standard
Roof Rack:
N/A
Trailer Hitch:
N/A
Voice Recognition:
Standard
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:
Standard
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:
37.7 inches
Front Leg Room:
42.9 inches
Front Shoulder Room:
54 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
10.2 cubic feet
Overall Interior Volume:
57.8 cubic feet
Interior Dimensions
Front Head Room:
40.3 inches
Front Leg Room:
Not yet available
Front Shoulder Room:
56.9 inches
Rear Head Room:
36.5 inches
Rear Leg Room:
Not yet available
Rear Shoulder Room:
49.6 inches
Cargo Space:
10.6 cubic feet
Overall Interior Volume:
89.0 cubic feet
Exterior Dimensions
Curb Weight:
4098 lbs
Width:
81.5 inches
Height:
51.1 inches
Length:
180.4 inches
Wheelbase:
100.8 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
4508 lbs
Width:
82.9 inches
Height:
53.9 inches
Length:
193 inches
Wheelbase:
112.2 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
255/40R18
Standard Wheel/Tire Information
Wheel Size:
19.0 x 9.5 inches
Wheel Type:
aluminum alloy
Tire Size:
265/40ZR19
Exterior Colors
Black
Black / designo Platinum Black / Magnetite Black Metallic
Blue
designo Mauritius Blue / designo Mystic Blue / Quartz Blue Metallic
Brown
designo Mystic Brown
Gray
designo Magno Alanite Grey / designo Magno Cashmere White / designo Magno Platinum / Palladium Silver Metallic / Steel Grey Metallic
Red
designo Mystic Red / Mars Red / Storm Red Metallic
Silver
Iridium Silver Metallic
White
Diamond White Metallic
Beige
Not available
Orange
Not available
Exterior Colors
Black
Black Sapphire Metallic / Citrin Black Metallic / Ruby Black Metallic
Blue
Imperial Blue Metallic / San Marino Blue Metallic / Tanzanite Blue Metallic
Brown
Not available
Gray
Moonstone Metallic / Singapore Grey Metallic / Space Gray Metallic
Red
Not available
Silver
Silverstone II Metallic
White
Alpine White
Beige
Mojave Metallic
Orange
Sakhir Orange Metallic
Interior Colors
Beige
Natural Beige/Black / Stone/Dark Beige
Black
Black
Gray
Grey/Dark Grey
Red
Red/Black
Brown
Not available
Orange
Not available
White
Not available
Interior Colors
Beige
Champagne / Zandvoort Beige
Black
Black
Gray
Platinum / Silverstone II
Red
Sakhir Orange
Brown
Amaro Brown / Canyon Brown
Orange
Sakhir Orange/Black
White
Opal White
