The Comparative Analysis :
BMW Z4 Roadster sDrive28i Automatic (13 - 16) vs. Mercedes SLK 250 7G-TRONIC PLUS (11 - 15)
€ 46,600
![BMW Z4 Roadster sDrive28i Automatic (13 - 16)](graphbase/cars/cars_big_png/BMW_Z4_E89-13.png)
€ 44,900
![Mercedes SLK 250 7G-TRONIC PLUS (11 - 15)](graphbase/cars/cars_big/Mercedes_SLK_R172.webp)
€ 46,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 44,900
ⓘ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.
BMW Z4 Roadster sDrive28i
Mercedes SLK 250
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
1495 kg
Kerb Weight
1500 kg
1750 kg
Gross Vehicle
Weight
Weight
1815 kg
![BMW Z4 Roadster sDrive28i Automatic (13 - 16)](graphbase/cars/cars_big_png/BMW_Z4_E89-13.png)
Weight Difference:
5 kg
0.33 %
![Mercedes SLK 250 7G-TRONIC PLUS (11 - 15)](graphbase/cars/cars_big_png/Mercedes_SLK_R172.png)
General
BMW Z4 Roadster sDrive28i
Mercedes SLK 250
E89
Generation
R172
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)
![](graphbase/drivetrain/RWD.png)
Rear-wheel drive
Drive
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
8-speed automatic transmission
Transmission
7-speed automatic transmission
Engine
BMW Z4 Roadster sDrive28i
Mercedes SLK 250
Straight-four petrol engine with turbocharger
Engine Type
Straight-four petrol engine with turbocharger
BMW N20
Engine Series
Mercedes-Benz M 271 EVO
N20-B20
Engine Code
M 271.861
![](graphbase/engines/BMW_N20.png)
![](graphbase/engines/Mercedes-Benz_M_271_EVO.png)
4
Valves
4
4
Cylinders
4
1997 CC
Engine Capacity
1796 CC
242 bhp
at 5000 rpm
Power
201 bhp
at 5500 rpm
BMW Z4 Roadster sDrive28i
242 bhp
201 bhp
Mercedes SLK 250
350 NM
at 1250 rpm
Max. Torque
310 NM
at 2000 rpm
BMW Z4 Roadster sDrive28i
350 NM
310 NM
Mercedes SLK 250
Performance
BMW Z4 Roadster sDrive28i
Mercedes SLK 250
155 mph
Maximum Speed
151 mph
5.7 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
79 m
0.000 sec
![](graphbase/cars/cars_small_png/BMW_Z4_E89-13.png)
BMW Z4 Roadster sDrive28i
62 mph
62
mph
mph
92 m
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_SLK_R172.png)
Mercedes SLK 250
▶ REPLAY
6.18 kg/bhp
Weight-to-Power Ratio
7.46 kg/bhp
BMW Z4 Roadster sDrive28i
6.18 kg/bhp
7.46 kg/bhp
Mercedes SLK 250
Fuel Economy / Emissions
BMW Z4 Roadster sDrive28i
Mercedes SLK 250
Fuel Economy
42 mpg
combined
46 mpg
BMW Z4 Roadster sDrive28i
42 mpg
46 mpg
Mercedes SLK 250
30 mpg
city
34 mpg
No data
motorway
56 mpg
55 L
Fuel Tank Capacity
60 L
503 mi
Range
601 mi
BMW Z4 Roadster sDrive28i
503 mi
601 mi
Mercedes SLK 250
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).
117.5 kWh
BMW Z4 Roadster sDrive28i
128.7 kWh
117.5 kWh
Mercedes SLK 250
Euro 6b (NEFZ)
Emission Standard
Euro 5
159 g/km (NEFZ)
CO2 Emissions
144 g/km (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive28i
Mercedes SLK 250
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
315 kg
310 L
Boot Capacity
335 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KB.png)
No data
Boot Capacity (Seats Down)
No data