Mercedes-Benz SLK vs. Audi A5
iSeeCars' unbiased and data-driven comparison of the Mercedes-Benz SLK and Audi A5 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 Mercedes-Benz SLK and the Audi A5.
When comparing the Mercedes-Benz SLK's and the Audi A5's specifications and ratings, the Mercedes-Benz SLK has the advantage in the areas of fuel efficiency and base engine power. The Audi A5 has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and interior volume. Based on this comparison of the Mercedes-Benz SLK's and the Audi A5's specifications and ratings, the two cars are fairly comparable.
Pricing: A used 2016 Mercedes-Benz SLK ranges from $16,041 to $29,995 while a used 2016 Audi A5 is priced between $11,991 to $24,998.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Mercedes-Benz SLK’s base engine makes 241 horsepower, and the Audi A5 base engine makes 220 horsepower. The SLK is rated to deliver an average of 28 miles per gallon, with a highway range of 592 miles. The A5 is rated to deliver an average of 17 miles per gallon, with a highway range of 467 miles. This gives the Mercedes-Benz SLK the fuel efficiency and maximum range advantage over the Audi A5. The SLK uses gasoline, and the A5 uses ethanol, gasoline.
Passenger Space Comparison: The Audi A5 has the advantage of offering more interior volume, reflected in more front head room, front shoulder room, and cargo space. The Mercedes-Benz SLK has the advantage in the area of front leg room.
New Car Pricing
Asking Price:
-
Starting MSRP:
47000
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
47900
Category Avg Starting MSRP:
(Luxury Compact Cars)
39513
Category Starting MSRP Range:
(Luxury Compact Cars)
21065 - 63500
Used Car Pricing
Avg Used Car Price:
23005
Price Range:
16041 - 29995
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:
18572
Price Range:
11991 - 24998
Category Avg Price:
(Luxury Compact Cars)
17722
Category Avg Price Range:
(Luxury Compact Cars)
10900 - 42047
# Used Cars for Sale Nationally:
55
Avg Mileage of Used Cars for Sale:
96220
# Good or Great Deals:
24
Mercedes-Benz SLK Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
Audi A5 Scores & Rankings
Overall Score:
7.8 / 10
Reliability:
7.6 / 10
Retained Value:
7.9 / 10
Safety:
Not available
iSeeCars Reliability Insights for Mercedes-Benz SLK
Remaining Life Expectancy (years):
7.4
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
0.005
iSeeCars Reliability Insights for Audi A5
Remaining Life Expectancy (years):
3.6
Typical Category Remaining Life Expectancy:
(Luxury Compact Cars)
3.1
Category Remaining Life Expectancy Range:
(Luxury Compact Cars)
0.5 - 11.1
Chance of Reaching 200k Miles for a New Car:
0.001
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
8.401413490264481
Typical Category Recalls:
N/A
Category Range for Recalls:
N/A
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
3.6677911452612864
Typical Category Recalls:
(Luxury Compact Cars)
3.4
Category Range for Recalls:
(Luxury Compact Cars)
0.9 - 10.8
Mercedes-Benz SLK Rankings
Not yet available
Audi A5 Rankings
Ranking
1 out of / 4Ranking
1 out of / 4Ranking
4 out of / 23Ranking
9 out of / 23Ranking
9 out of / 23Ranking
9 out of / 23Ranking
11 out of / 23Ranking
12 out of / 23Ranking
22 out of / 23Available Body Styles
Convertible
Available Body Styles
Convertible, Coupe
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Flex Fuel, Gasoline
Mercedes-Benz SLK Trim Levels
AMG SLK 55, SLK 300, SLK 350
Audi A5 Trim Levels
2.0T quattro Premium, 2.0T quattro Premium Plus
Warranty Information
Warranty, Bumper-to-Bumper:
4 years / 50000 miles
Warranty, Powertrain:
4 years / 50000 miles
Warranty, Roadside Assistance:
4 years / 50000 miles
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:
241 hp @ 5550 rpm
Torque:
273 foot-lbs @ 1300 rpm
Power-to-Weight Ratio (higher is better):
0.075 hp per pound
Base Drivetrain Specs
Horsepower:
220 hp @ 4450 rpm
Torque:
258 foot-lbs @ 1500 rpm
Power-to-Weight Ratio (higher is better):
0.054 hp per pound
Engine Specifications
Engine Size:
2 liters
Engine Configuration:
Inline
Number of Cylinders:
4
Transmission:
Automatic
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
25 / 32 / 28
Range (city/hwy):
463 / 592 miles
Recommended Fuel Type:
Gasoline
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):
15 / 21 / 17
Range (city/hwy):
338 / 467 miles
Recommended Fuel Type:
Ethanol, Gasoline
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Navigation System:
Standard
Paddle Shifters:
Standard
Panoramic Sunroof/Moonroof
Standard
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
Standard
Adaptive Cruise Control:
Available
Heated Seats
Available
Keyless Ignition:
Available
Parking Sensors:
Available
Voice Recognition:
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
Massage Seats:
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Standard/Optional Features
Alloy wheels:
Standard
Bluetooth:
Standard
Keyless Entry:
Standard
Leather Upholstery:
Standard
Navigation System:
Available
Paddle Shifters:
N/A
Panoramic Sunroof/Moonroof
N/A
Power outlet:
Standard
Roadside assistance:
N/A
Satellite radio:
Standard
Sunroof/Moonroof:
N/A
Adaptive Cruise Control:
N/A
Heated Seats
Available
Keyless Ignition:
Available
Parking Sensors:
Available
Voice Recognition:
N/A
Air Suspension:
N/A
Android Auto:
N/A
Apple CarPlay:
N/A
Automatic Parking:
N/A
Bench Seats:
Standard
Captain's seat:
N/A
Cooled/Ventilated Seats:
Available
Front Bench Seats:
N/A
Heated Steering Wheel:
N/A
Internet Radio:
N/A
Massage Seats:
N/A
Power Lift Gate:
N/A
Quad Seats:
N/A
Roof Rack:
N/A
Trailer Hitch:
N/A
Wifi:
N/A
Wireless Smartphone Charging:
N/A
Safety Features
Driver Attention Monitoring:
Standard
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot 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
Driver Attention Monitoring:
N/A
360-Degree Camera:
N/A
Backup camera:
N/A
Blind Spot 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 inches
Front Leg Room:
42.5 inches
Front Shoulder Room:
52.2 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
10.1 cubic feet
Overall Interior Volume:
49.0 cubic feet
Interior Dimensions
Front Head Room:
40 inches
Front Leg Room:
41.3 inches
Front Shoulder Room:
54.3 inches
Rear Head Room:
36.3 inches
Rear Leg Room:
31.9 inches
Rear Shoulder Room:
46.8 inches
Cargo Space:
10.2 cubic feet
Overall Interior Volume:
81.0 cubic feet
Exterior Dimensions
Curb Weight:
3208 lbs
Width:
79 inches
Height:
51.2 inches
Length:
162.8 inches
Wheelbase:
95.7 inches
Ground Clearance:
Not yet available
Exterior Dimensions
Curb Weight:
4045 lbs
Width:
79.5 inches
Height:
54.4 inches
Length:
182.1 inches
Wheelbase:
108.3 inches
Ground Clearance:
Not yet available
Standard Wheel/Tire Information
Wheel Size:
17.0 x 7.5 inches
Wheel Type:
aluminum alloy
Tire Size:
P225/45R17
Standard Wheel/Tire Information
Wheel Size:
18.0 x 8.5 inches
Wheel Type:
aluminum alloy
Tire Size:
245/40R18
Exterior Colors
Black
Jet Black / Obsidian Black Metallic
Blue
Lunar Blue Metallic
Gray
designo Magno Shadow Grey Matte / Indium Grey Metallic / Selenite Grey Metallic
Red
designo Cardinal Red Metallic / Mars Red
Silver
Diamond Silver Metallic / Iridium Silver Metallic
White
designo Diamond White Metallic / Polar White
Exterior Colors
Black
Brilliant Black / Mythos Black Metallic
Blue
Moonlight Blue Metallic / Scuba Blue Metallic / Utopia Blue Metallic
Gray
Florett Silver Metallic / Monsoon Gray Metallic / Tornado Gray Metallic
Red
Misano Red Pearl Effect
Silver
Not available
White
Glacier White Metallic / Ibis White
Interior Colors
Beige
Sahara Beige
Black
Black
Brown
Brown/Black
Gray
Ash/Black
Red
Bengal Red/Black
Interior Colors
Beige
Beige
Black
Black
Brown
Brown
Gray
Gray
Red
Not available
