The Comparative Analysis :
Mercedes SLK 250 d 9G-TRONIC (15 - 16) vs. BMW Z4 Roadster sDrive35i Sport-Automatic DKG (09 - 13)
€ 43,400

€ 51,700

€ 43,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 51,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ slightly. The Mercedes SLK 250 d is 4.1 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive35i.
Mercedes SLK 250 d
BMW Z4 Roadster sDrive35i
51.2
71.3
79
50.8
70.5
76.8
71.3 in
Width
70.5 in
79 in
Width Incl. Mirrors
76.8 in
51.2 in
Height
50.8 in
95.7
162.8
98.3
166.9
162.8 in
Length
166.9 in
95.7 in
Wheelbase
98.3 in
Vehicle Weight
Mercedes SLK 250 d
BMW Z4 Roadster sDrive35i
3538 lb
Curb Weight
3527 lb
4200 lb
Gross Vehicle
Weight
Weight
4090 lb

Weight Difference:
11 lb
0.31 %

General
Mercedes SLK 250 d
BMW Z4 Roadster sDrive35i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SLK 250 d
BMW Z4 Roadster sDrive35i
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
Mercedes-Benz OM 651
Engine Series
BMW N54
OM 651.980
Engine Code
N54-B30


4
Valves
4
4
Cylinders
6
2.1 L / 103 cu in
Displacement
3 L / 147 cu in
201 hp
at 3800 rpm
Power
302 hp
at 5800 rpm
Mercedes SLK 250 d
201 hp
302 hp
BMW Z4 Roadster sDrive35i
369 lb‑ft
at 1600 rpm
Max. Torque
295 lb‑ft
at 1300 rpm
Mercedes SLK 250 d
369 lb‑ft
295 lb‑ft
BMW Z4 Roadster sDrive35i
Performance
Mercedes SLK 250 d
BMW Z4 Roadster sDrive35i
152 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
302 ft
0.000 sec

Mercedes SLK 250 d
62 mph
62
mph
mph
233 ft
0.000 sec

BMW Z4 Roadster sDrive35i
▶ REPLAY
17.6 lb/hp
Weight-to-Power Ratio
11.68 lb/hp
Mercedes SLK 250 d
17.6 lb/hp
11.68 lb/hp
BMW Z4 Roadster sDrive35i
Fuel Economy / Emissions
Mercedes SLK 250 d
BMW Z4 Roadster sDrive35i
Fuel Economy
53 mpg
combined
26 mpg
Mercedes SLK 250 d
53 mpg
26 mpg
BMW Z4 Roadster sDrive35i
45 mpg
city
19 mpg
60 mpg
highway
No data
15.9 gal
Fuel Tank Capacity
14.5 gal
848 mi
Range
380 mi
Mercedes SLK 250 d
848 mi
380 mi
BMW Z4 Roadster sDrive35i
Environmental Impact
90.4 kWh
Total Energy Consumption
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
per 100 miles ⓘThe total energy consumption per 100 miles is the amount of energy consumed by a vehicle when burning fuel or using electricity per 100 miles (final energy), and the energy required to produce the appropriate amount of fuel or electricity (primary energy).
170.4 kWh
Mercedes SLK 250 d
90.4 kWh
170.4 kWh
BMW Z4 Roadster sDrive35i
Euro 6b (NEFZ)
Emission Standard
Euro 5
183 g/mi (NEFZ)
CO2 Emissions
338 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 250 d
BMW Z4 Roadster sDrive35i
2
Doors
2
2
No. of Seats
2
661 lb
Maximum Payload
562 lb
9.5 cu ft
Trunk Volume
8.8 cu ft








No data
Cargo Volume (Seats Down)
No data