Audi S4 vs. Mercedes-Benz C-Class
iSeeCars' unbiased and data-driven comparison of the Audi S4 and Mercedes-Benz C-Class 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 S4 and the Mercedes-Benz C-Class.
When comparing the Audi S4's and the Mercedes-Benz C-Class's specifications and ratings, the Audi S4 has the advantage in the area of base engine power. The Mercedes-Benz C-Class has the advantage in the areas of new vehicle base pricing, reliability, resale value, interior volume and overall quality score. Based on this comparison of the Audi S4's and the Mercedes-Benz C-Class's specifications and ratings, the Mercedes-Benz C-Class is a better car than the Audi S4.
Pricing: For a new model, the Audi S4's price is between $60,760 and $70,238, with the Mercedes-Benz C-Class priced between $49,176 and $64,214.
Resale/Retained Value: Looking at the 5-year depreciation rate for both models, the Audi S4 loses 48.1 percent of its value and the Mercedes-Benz C-Class loses 47.9 percent of its value. This means the Mercedes-Benz C-Class retains 0.2 percentage points more of its value and has the advantage of higher resale value versus the Audi S4.
Quality Rating: The iSeeCars Overall Quality rating for the Audi S4 is 7.7 out of 10 while the Mercedes-Benz C-Class' quality rating is 8.3 out of 10. This results in the Audi S4 being ranked 15 out of 36 Best Luxury Small Cars and the Mercedes-Benz C-Class being ranked 8 out of 36.
Reliability Rating: iSeeCars’ Reliability Rating for the Audi S4 is 7.9 out of 10. For the Mercedes-Benz C-Class the reliability rating is 8.3 out of 10. This gives the Mercedes-Benz C-Class a slight advantage in reliability compared to the Audi S4.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Audi S4’s base engine makes 349 horsepower, and the Mercedes-Benz C-Class base engine makes 255 horsepower.
Passenger Space Comparison: While both models are compact cars, the Mercedes-Benz C-Class has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, front leg room, rear head room, rear shoulder room, rear leg room, and cargo space.
Safety Ratings: The Mercedes-Benz C-Class has an average safety rating of 5 out of 5 Stars based on NHTSA's crash test ratings. When comparing IIHS evaluations, the Mercedes-Benz C-Class has the advantage with a Top Safety Pick award.
New Car Pricing
Asking Price:
$60,760 - $70,238
Starting MSRP:
$54,500
Category Avg Starting MSRP:
(Luxury Compact Cars)
$48,375
Category Starting MSRP Range:
(Luxury Compact Cars)
$31,800 - $79,900
New Car Pricing
Asking Price:
$49,176 - $64,214
Starting MSRP:
$46,950
Category Avg Starting MSRP:
(Luxury Compact Cars)
$48,375
Category Starting MSRP Range:
(Luxury Compact Cars)
$31,800 - $79,900
Used Car Pricing
Avg Used Car Price:
Price Range:
-
Category Avg Price:
(Luxury Compact Cars)
$52,490
Category Avg Price Range:
(Luxury Compact Cars)
$35,163 - $100,522
# Used Cars for Sale Nationally:
11
Avg Mileage of Used Cars for Sale:
10,700
# Good or Great Deals:
1
Used Car Pricing
Avg Used Car Price:
$52,934
Price Range:
$46,801 - $62,210
Category Avg Price:
(Luxury Compact Cars)
$52,490
Category Avg Price Range:
(Luxury Compact Cars)
$35,163 - $100,522
# Used Cars for Sale Nationally:
981
Avg Mileage of Used Cars for Sale:
5,689
# Good or Great Deals:
229
5-year Depreciation
Depreciation $:
$26,695
Depreciation %:
49%
Resale Value $:
$27,805
Residual Value %:
51%
Typical Category Depreciation %:
(Luxury Compact Cars)
48.9%
Category Depreciation Range:
(Luxury Compact Cars)
33.5% - 53.5%
5-year Depreciation
Depreciation $:
$22,866
Depreciation %:
48.7%
Resale Value $:
$24,084
Residual Value %:
51.3%
Typical Category Depreciation %:
(Luxury Compact Cars)
48.9%
Category Depreciation Range:
(Luxury Compact Cars)
33.5% - 53.5%
Audi S4 Scores & Rankings
Overall Score:
7.7 / 10
Reliability:
7.9 / 10
Retained Value:
7.5 / 10
Safety:
Not available
Mercedes-Benz C-Class Scores & Rankings
Overall Score:
8.3 / 10
Reliability:
8.3 / 10
Retained Value:
7.5 / 10
Safety:
9.0 / 10
iSeeCars Reliability Insights for Audi S4
Avg Life Expectancy (years):
8.1
Typical Category Life Expectancy:
(Luxury Compact Cars)
10.6
Category Life Expectancy Range:
(Luxury Compact Cars)
8.1 - 14.3
Chance of Reaching 200k Miles for a New Car:
0.1%
iSeeCars Reliability Insights for Mercedes-Benz C-Class
Avg Life Expectancy (years):
11.2
Typical Category Life Expectancy:
(Luxury Compact Cars)
10.6
Category Life Expectancy Range:
(Luxury Compact Cars)
8.1 - 14.3
Chance of Reaching 200k Miles for a New Car:
16.6%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
2.1
Typical Category Recalls:
(Luxury Compact Cars)
2.2
Category Range for Recalls:
(Luxury Compact Cars)
1.2 - 14.6
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.1
Typical Category Recalls:
(Luxury Compact Cars)
2.2
Category Range for Recalls:
(Luxury Compact Cars)
1.2 - 14.6
Audi S4 Rankings
Ranking
1 out of / 4Ranking
4 out of / 36Ranking
9 out of / 36Ranking
11 out of / 12Ranking
15 out of / 36Ranking
15 out of / 36Ranking
24 out of / 36Ranking
25 out of / 31Ranking
28 out of / 36Ranking
31 out of / 36Mercedes-Benz C-Class Rankings
Ranking
1 out of / 1Ranking
2 out of / 36Ranking
2 out of / 36Ranking
5 out of / 36Ranking
6 out of / 36Ranking
8 out of / 36Ranking
10 out of / 36Ranking
10 out of / 12Ranking
16 out of / 31Ranking
23 out of / 36Ranking
32 out of / 36Available Body Styles
Sedan
Available Body Styles
Sedan
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline, Plug-In Hybrid
Audi S4 Trim Levels
3.0T quattro Premium, 3.0T quattro Premium Plus, 3.0T quattro Prestige
Mercedes-Benz C-Class Trim Levels
AMG C 43, C 300, C 300 4MATIC
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:
5 out of 5 Stars
2025 NHTSA Front Crash Overall Rating:
Not yet available
2025 NHTSA Side Crash Overall Rating:
Not yet available
2025 NHTSA Rollover Rating:
5 out of 5 Stars
IIHS Safety Rating:
Not yet available
Safety Ratings
NHTSA Safety Rating (last 5 year average):
5 out of 5 Stars
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:
TOP SAFETY PICK
Base Drivetrain Specs
Horsepower:
349 hp @ 5400 rpm
Torque:
369 foot-lbs @ 1370 rpm
Power-to-Weight Ratio (higher is better):
0.090 hp per pound
Base Drivetrain Specs
Horsepower:
255 hp @ 5800 rpm
Torque:
295 foot-lbs @ 2000 rpm
Power-to-Weight Ratio (higher is better):
0.067 hp per pound
Engine Specifications
Engine Size:
3 liters
Engine Configuration:
V
Number of Cylinders:
6
Transmission:
Automatic
Standard/Optional Drivetrain Type:
AWD
EPA Fuel Economy
(City/Highway/Combined MPG):
21 / 29 / 24
Range (city/hwy):
321 / 444 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):
Not yet available
Range (city/hwy):
Not yet available
Recommended Fuel Type:
Not yet available
Standard/Optional Features
Adaptive Cruise Control:
Standard
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
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
Massage Seats:
Standard
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Air Suspension:
Available
Automatic Parking:
Available
Cooled/Ventilated Seats:
Available
Navigation System:
Available
Satellite radio:
Available
Wifi:
Available
Wireless Smartphone Charging:
Available
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Standard/Optional Features
Adaptive Cruise Control:
Available
Alloy wheels:
Standard
Android Auto:
Standard
Apple CarPlay:
Standard
Bench Seats:
Standard
Bluetooth:
Standard
Heated Seats
Standard
Heated Steering Wheel:
Available
Internet Radio:
N/A
Keyless Entry:
Standard
Keyless Ignition:
Standard
Leather Upholstery:
Standard
Massage Seats:
N/A
Paddle Shifters:
Standard
Parking Sensors:
Standard
Power Lift Gate:
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Sunroof/Moonroof:
Standard
Voice Recognition:
Standard
Air Suspension:
N/A
Automatic Parking:
Standard
Cooled/Ventilated Seats:
Available
Navigation System:
Available
Satellite radio:
Standard
Wifi:
Standard
Wireless Smartphone Charging:
Standard
Captain's seat:
N/A
Front Bench Seats:
N/A
Panoramic Sunroof/Moonroof
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Safety Features
Backup camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
Standard
Lane Keeping Assist:
Standard
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Available
Rear Cross-Traffic Alert:
Available
Rear Seat Reminder:
N/A
Safety Features
Backup camera:
Standard
Driver Attention Monitoring:
Standard
Forward Collision Warning:
Standard
Lane Departure Warning:
N/A
Lane Keeping Assist:
N/A
Pedestrian Detection:
Standard
360-Degree Camera:
Available
Blind Spot Monitoring:
Standard
Rear Cross-Traffic Alert:
N/A
Rear Seat Reminder:
N/A
Interior Dimensions
Front Head Room:
37.3 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
55.9 inches
Rear Head Room:
37.4 inches
Rear Leg Room:
35.7 inches
Rear Shoulder Room:
54.5 inches
Cargo Space:
12 cubic feet
Overall Interior Volume:
92.0 cubic feet
Interior Dimensions
Front Head Room:
40 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:
3880 lbs
Width:
79.6 inches
Height:
56.2 inches
Length:
187.5 inches
Wheelbase:
111 inches
Ground Clearance:
6.5 inches
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 aluminum alloy
Tire Size:
255/35R19
Standard Wheel/Tire Information
Wheel Size:
18.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R18
Exterior Colors
Black
Mythos Black Metallic
Blue
Navarra Blue Metallic
Gray
Chronos Gray Metallic / Daytona Gray Pearl Effect
Green
District Green Metallic
Red
Progressive Red Metallic
White
Arkona White / Glacier White Metallic
Silver
Not available
Exterior Colors
Black
Black / Obsidian Black Metallic
Blue
Starling Blue Metallic / Twilight Blue Metallic
Gray
Graphite Grey Metallic / MANUFAKTUR Graphite Grey Magno / Selenite Grey Metallic
Green
Not available
Red
MANUFAKTUR Patagonia Red Metallic
White
MANUFAKTUR Moonlight White Metallic / Polar White
Silver
Cirrus Silver Metallic / Mojave Silver Metallic
Interior Colors
Black
Black
Gray
Rotor Gray
Beige
Not available
Brown
Not available
Red
Not available
Interior Colors
Black
Black
Gray
Neva Grey
Beige
Macchiato Beige
Brown
Sienna Brown/Black
Red
Power Red/Black
