The Comparative Analysis :
BMW Z4 Roadster sDrive28i (13 - 16) vs. Mercedes SLK 250 CDI (12 - 15)
€ 44,300
€ 40,100
€ 44,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,100
ⓘ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 BMW Z4 Roadster sDrive28i is 10.5 cm longer, 2 cm narrower and 1 cm lower than the Mercedes SLK 250 CDI.
BMW Z4 Roadster sDrive28i
Mercedes SLK 250 CDI
1291
1790
1951
1301
1810
2006
1790 mm
Width
1810 mm
1951 mm
Width Incl. Mirrors
2006 mm
1291 mm
Height
1301 mm
2496
4239
2430
4134
4239 mm
Length
4134 mm
2496 mm
Wheelbase
2430 mm
Vehicle Weight
BMW Z4 Roadster sDrive28i
Mercedes SLK 250 CDI
1475 kg
Kerb Weight
1570 kg
1730 kg
Gross Vehicle
Weight
Weight
1885 kg
Weight Difference:
95 kg
6.05 %
General
BMW Z4 Roadster sDrive28i
Mercedes SLK 250 CDI
E89
Generation
R172
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Diesel
Rear-wheel drive
Drive
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive28i
Mercedes SLK 250 CDI
Straight-four petrol engine with turbocharger
Engine Type
Straight-four diesel engine with two turbochargers (biturbo)
BMW N20
Engine Series
Mercedes-Benz OM 651
N20-B20
Engine Code
OM 651.980
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
2143 CC
242 bhp
at 5000 rpm
Power
201 bhp
at 4200 rpm
BMW Z4 Roadster sDrive28i
242 bhp
201 bhp
Mercedes SLK 250 CDI
350 NM
at 1250 rpm
Max. Torque
500 NM
at 1600 rpm
BMW Z4 Roadster sDrive28i
350 NM
500 NM
Mercedes SLK 250 CDI
Performance
BMW Z4 Roadster sDrive28i
Mercedes SLK 250 CDI
155 mph
Maximum Speed
152 mph
5.7 sec
Acceleration 0 to 62 mph
6.5 sec
62 mph
62
mph
mph
79 m
0.000 sec
BMW Z4 Roadster sDrive28i
62 mph
62
mph
mph
90 m
0.000 sec
Mercedes SLK 250 CDI
▶ REPLAY
6.1 kg/bhp
Weight-to-Power Ratio
7.81 kg/bhp
BMW Z4 Roadster sDrive28i
6.1 kg/bhp
7.81 kg/bhp
Mercedes SLK 250 CDI
Fuel Economy / Emissions
BMW Z4 Roadster sDrive28i
Mercedes SLK 250 CDI
Fuel Economy
42 mpg
combined
59 mpg
BMW Z4 Roadster sDrive28i
42 mpg
59 mpg
Mercedes SLK 250 CDI
31 mpg
city
46 mpg
No data
motorway
71 mpg
55 L
Fuel Tank Capacity
60 L
503 mi
Range
777 mi
BMW Z4 Roadster sDrive28i
503 mi
777 mi
Mercedes SLK 250 CDI
Environmental Impact
128.7 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).
98.8 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
98.8 kWh
Mercedes SLK 250 CDI
Euro 6b (NEFZ)
Emission Standard
Euro 5
159 g/km (NEFZ)
CO2 Emissions
124 g/km (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive28i
Mercedes SLK 250 CDI
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
315 kg
310 L
Boot Capacity
335 L
No data
Boot Capacity (Seats Down)
No data
