Audi A6 vs. Mercedes-Benz C-Class
When we compare the Audi A6 to the Mercedes-Benz C-Class, the Audi A6 has the advantage in the areas of interior volume and base engine power. The Mercedes-Benz C-Class 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 fuel efficiency and overall quality score. Based on this comparison of the Audi A6 versus the Mercedes-Benz C-Class, the Mercedes-Benz C-Class is a better car than the Audi A6.
Audi A6 versus Mercedes-Benz C-Class Pricing
A one- to five-year-old used Audi A6 ranges from $35,992 to $52,995 while a used Mercedes-Benz C-Class from the same model year range is priced between $28,998 to $47,824. For a new model, the Audi A6's price is between $60,183 and $74,887, with the Mercedes-Benz C-Class priced between $45,174 and $57,491.
Audi A6 versus Mercedes-Benz C-Class Quality Rating
The iSeeCars Overall Quality rating for the Audi A6 is 8.4 out of 10 while the Mercedes-Benz C-Class' quality rating is 8.9 out of 10. This results in the Audi A6 being ranked 5 out of 29 Best Luxury Midsize Cars and the Mercedes-Benz C-Class being ranked 3 out of 39 Best Luxury Small Cars.
Engine Power and Fuel Efficiency Comparison
For engine performance, the Audi A6’s base engine makes 261 horsepower, and the Mercedes-Benz C-Class base engine makes 255 horsepower. The A6 is rated to deliver an average of 27 miles per gallon, with a highway range of 598 miles. The C-Class is rated to deliver an average of 29 miles per gallon, with a highway range of 626 miles. Both models use premium unleaded.
Passenger Space Comparison
The Audi A6, a midsize car, has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, rear head room, rear shoulder room, rear leg room, and trunk space. The Mercedes-Benz C-Class, a compact car, has the advantage in the area of front leg room.
Safety Ratings Comparison
When comparing crash test ratings from NHTSA, both the Audi A6 and the Mercedes-Benz C-Class have the same average safety rating of 5 out of 5 Stars. When comparing IIHS evaluations, both the Audi A6 and the Mercedes-Benz C-Class have the same Top Safety Pick+ award.
Pricing
New Asking Price:
$60,183 - $74,887
Used Asking Price:
$35,992 - $52,995
5-Year Depreciation (lower is better):
58.2%
Pricing
New Asking Price:
$45,174 - $57,491
Used Asking Price:
$28,998 - $47,824
5-Year Depreciation (lower is better):
46.8%
iSeeCars Scores & Rankings
Overall Score:
8.4 / 10
Reliability:
8.6 / 10
Retained Value:
6.6 / 10
Safety:
10.0 / 10
iSeeCars Scores & Rankings
Overall Score:
8.9 / 10
Reliability:
8.4 / 10
Retained Value:
8.5 / 10
Safety:
10.0 / 10
iSeeCars Rankings
Ranking
3 out of / 8Ranking
5 out of / 29Ranking
5 out of / 29iSeeCars Rankings
Ranking
3 out of / 39Ranking
3 out of / 8Ranking
7 out of / 39Summary Review
Not yet available
Summary Review
Not yet available
Pros and Cons
Not yet available
Pros and Cons
Not yet available
Available Body Styles
Sedan
Available Body Styles
Convertible
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Trim Levels
quattro Premium Plus 45 TFSI, quattro Premium 55 TFSI, quattro Premium Plus 55 TFSI, quattro Prestige 55 TFSI, quattro Premium 45 TFSI
Trim Levels
AMG C 43, C 300, C 300 4MATIC, AMG C 63 S
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):
5 out of 5 Stars
IIHS Safety Rating:
TOP SAFETY PICK +
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
IIHS Safety Rating:
TOP SAFETY PICK +
Base Drivetrain Specifications
Horsepower:
261 hp @ 5000 rpm
Torque:
273 foot-lbs @ 1600 rpm
Power-to-Weight Ratio (higher is better):
0.064 hp per pound
Base Drivetrain Specifications
Horsepower:
255 hp @ 5800 rpm
Torque:
295 foot-lbs @ 1800 rpm
Power-to-Weight Ratio (higher is better):
0.067 hp per pound
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy (City/Highway/Combined MPG):
24 / 31 / 27
Range (city/hwy):
463 / 598 miles
Recommended Fuel Type:
Premium Unleaded
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD / AWD
EPA Fuel Economy (City/Highway/Combined MPG):
25 / 36 / 29
Range (city/hwy):
435 / 626 miles
Recommended Fuel Type:
Premium Unleaded
Standard/Optional Features
Apple CarPlay:
Standard
Android Auto:
Standard
Wireless Smartphone Charging:
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Adaptive Cruise Control:
Available
Heated Seats:
Standard
Cooled/Ventilated Seats:
Available
Leather Upholstery:
Standard
Navigation System:
Standard
Sunroof/Moonroof:
Standard
Heated Steering Wheel:
Available
Standard/Optional Features
Apple CarPlay:
Standard
Android Auto:
Standard
Wireless Smartphone Charging:
Available
Keyless Entry:
Standard
Keyless Ignition:
Standard
Adaptive Cruise Control:
Available
Heated Seats:
Standard
Cooled/Ventilated Seats:
Available
Leather Upholstery:
Standard
Navigation System:
Available
Sunroof/Moonroof:
Standard
Heated Steering Wheel:
Available
Safety Equipment
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
Available
Rear Seat Reminder:
N/A
Driver Attention Monitoring:
N/A
Safety Equipment
Forward Collision Warning:
Standard
Pedestrian Detection:
Standard
Lane Departure Warning:
Available
Lane Keeping Assist:
Available
Blind Spot Monitoring:
Standard
Rear Cross-Traffic Alert:
Available
360-Degree Camera:
Available
Rear Seat Reminder:
N/A
Driver Attention Monitoring:
Standard
Interior Dimensions
Front Head Room:
38 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
57.8 inches
Rear Head Room:
38.1 inches
Rear Leg Room:
37.4 inches
Rear Shoulder Room:
56.5 inches
Cargo Space:
13.7 cubic feet
Overall Interior Volume:
99.0 cubic feet
Interior Dimensions
Front Head Room:
37.2 inches
Front Leg Room:
41.7 inches
Front Shoulder Room:
56.3 inches
Rear Head Room:
37.5 inches
Rear Leg Room:
36 inches
Rear Shoulder Room:
55.6 inches
Cargo Space:
12.6 cubic feet
Overall Interior Volume:
93.0 cubic feet
Exterior Dimensions
Curb Weight:
4101 lbs
Width:
83.1 inches
Height:
57.4 inches
Length:
194.4 inches
Wheelbase:
115.1 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
3825 lbs
Width:
80 inches
Height:
56.6 inches
Length:
187 inches
Wheelbase:
112.8 inches
Ground Clearance:
3.8 inches
Standard Wheel/Tire Information
Wheel Size:
19.0 x 8.5 inches
Wheel Type:
painted alloy
Tire Size:
245/45R19
Standard Wheel/Tire Information
Wheel Size:
18.0 x 7.5 inches
Wheel Type:
alloy
Tire Size:
225/45R18
