Mercedes-Benz SLK vs. BMW Z4
iSeeCars' unbiased and data-driven comparison of the Mercedes-Benz SLK and BMW Z4 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 BMW Z4.
In comparing the Mercedes-Benz SLK's and the BMW Z4's specifications and ratings, the Mercedes-Benz SLK has the advantage in the areas of typical lower range of pricing for one- to five-year-old used cars, and fuel efficiency, interior volume and base engine power. Based on this comparison of the Mercedes-Benz SLK's and the BMW Z4's specifications and ratings, the Mercedes-Benz SLK is a better car than the BMW Z4.
Pricing: A used 2016 Mercedes-Benz SLK ranges from $17,987 to $31,130 while a used 2016 BMW Z4 is priced between $21,338 to $35,851.
Engine Power and Fuel Efficiency Comparison: For engine performance, the Mercedes-Benz SLK’s base engine makes 241 horsepower, and the BMW Z4 base engine makes 240 horsepower. The SLK is rated to deliver an average of 28 miles per gallon, with a highway range of 592 miles. The Z4 is rated to deliver an average of 26 miles per gallon, with a highway range of 493 miles. This gives the Mercedes-Benz SLK the fuel efficiency and maximum range advantage over the BMW Z4. Both models use gasoline.
Passenger Space Comparison: The Mercedes-Benz SLK has the advantage of offering more interior volume, reflected in more front leg room and cargo space. The BMW Z4 has the advantage in the areas of front head room, and front shoulder room.
New Car Pricing
Asking Price:
-
Starting MSRP:
$47,000
Category Avg Starting MSRP:
N/A
Category Starting MSRP Range:
N/A
New Car Pricing
Asking Price:
-
Starting MSRP:
$49,700
Category Avg Starting MSRP:
(Luxury Sports Cars)
$74,424
Category Starting MSRP Range:
(Luxury Sports Cars)
$42,900 - $145,740
Used Car Pricing
Avg Used Car Price:
$25,223
Price Range:
$17,987 - $31,130
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:
$28,952
Price Range:
$21,338 - $35,851
Category Avg Price:
(Luxury Sports Cars)
$51,407
Category Avg Price Range:
(Luxury Sports Cars)
$24,778 - $157,066
# Used Cars for Sale Nationally:
15
Avg Mileage of Used Cars for Sale:
50,660
# Good or Great Deals:
1
Mercedes-Benz SLK Scores & Rankings
Overall Score:
Not available
Reliability:
Not available
Retained Value:
Not available
Safety:
Not available
BMW Z4 Scores & Rankings
Overall Score:
7.7 / 10
Reliability:
8.0 / 10
Retained Value:
7.5 / 10
Safety:
Not available
iSeeCars Reliability Insights for Mercedes-Benz SLK
Remaining Life Expectancy (years):
4.1
Typical Category Remaining Life Expectancy:
N/A
Category Remaining Life Expectancy Range:
N/A
Chance of Reaching 200k Miles for a New Car:
0.1%
iSeeCars Reliability Insights for BMW Z4
Remaining Life Expectancy (years):
3.1
Typical Category Remaining Life Expectancy:
(Luxury Sports Cars)
4.9
Category Remaining Life Expectancy Range:
(Luxury Sports Cars)
0.7 - 9.2
Chance of Reaching 200k Miles for a New Car:
0%
Expected 30-year Lifetime Recalls
Expected Lifetime Recalls:
8.2
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 Sports Cars)
1.9
Category Range for Recalls:
(Luxury Sports Cars)
0.8 - 9.4
Mercedes-Benz SLK Rankings
Not yet available
BMW Z4 Rankings
Ranking
1 out of / 29Ranking
1 out of / 16Ranking
1 out of / 6Ranking
3 out of / 8Ranking
3 out of / 6Ranking
3 out of / 5Ranking
3 out of / 5Ranking
3 out of / 4Ranking
5 out of / 40Ranking
5 out of / 25Ranking
5 out of / 25Ranking
7 out of / 40Ranking
7 out of / 40Ranking
9 out of / 40Ranking
9 out of / 25Ranking
9 out of / 25Ranking
16 out of / 25Ranking
20 out of / 25Ranking
33 out of / 40Ranking
34 out of / 40Available Body Styles
Convertible
Available Body Styles
Convertible
Available Drivetrain Options
Gasoline
Available Drivetrain Options
Gasoline
Mercedes-Benz SLK Trim Levels
AMG SLK 55, SLK 300, SLK 350
BMW Z4 Trim Levels
sDrive28i, sDrive35i, sDrive35is
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
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:
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:
240 hp @ 5000 rpm
Torque:
260 foot-lbs @ 1250 rpm
Power-to-Weight Ratio (higher is better):
0.073 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:
Manual
Standard/Optional Drivetrain Type:
RWD
EPA Fuel Economy
(City/Highway/Combined MPG):
22 / 34 / 26
Range (city/hwy):
319 / 493 miles
Recommended Fuel Type:
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:
Standard
Paddle Shifters:
Available
Panoramic Sunroof/Moonroof
N/A
Power outlet:
Standard
Roadside assistance:
Standard
Satellite radio:
Standard
Sunroof/Moonroof:
N/A
Adaptive Cruise Control:
N/A
Heated Seats
Available
Keyless Ignition:
Standard
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:
Available
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:
39.1 inches
Front Leg Room:
42.2 inches
Front Shoulder Room:
53.3 inches
Rear Head Room:
Not yet available
Rear Leg Room:
Not yet available
Rear Shoulder Room:
Not yet available
Cargo Space:
8 cubic feet
Overall Interior Volume:
47.6 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:
3307 lbs
Width:
76.8 inches
Height:
50.8 inches
Length:
167 inches
Wheelbase:
98.3 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:
17.0 x 8.0 inches
Wheel Type:
aluminum alloy
Tire Size:
225/45R17
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
Brown
Not available
Orange
Not available
Exterior Colors
Black
Black Sapphire Metallic / Jet Black
Blue
Deep Sea Blue Metallic / Estoril Blue Metallic
Gray
Mineral Grey Metallic
Red
Melbourne Red Metallic
Silver
Glacier Silver Metallic
White
Alpine White / Mineral White Metallic
Brown
Sparkling Brown Metallic
Orange
Valencia Orange
Interior Colors
Beige
Sahara Beige
Black
Black
Brown
Brown/Black
Gray
Ash/Black
Red
Bengal Red/Black
Interior Colors
Beige
Canberra Beige / Walnut
Black
Black / Black/Orange
Brown
Not available
Gray
Ivory White/Black
Red
Coral Red
