The Comparative Analysis :

BMW Z4 Roadster sDrive20i Automatic (13 - 16) vs. Mercedes SLK 250 CDI (12 - 15)

€ 39,600
BMW Z4 Roadster sDrive20i Automatic (13 - 16) BMW Z4 Roadster sDrive20i
€ 40,100
 Mercedes SLK 250 CDI (12 - 15) Mercedes SLK 250 CDI
€ 39,600
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 sDrive20i is 10.5 cm longer, 2 cm narrower and 1 cm lower than the Mercedes SLK 250 CDI.
BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
1291
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
1790
1951
1301
Blueprint Mercedes SLK 250 CDI (12 - 15)
1810
2006
1790 mm
Width
1810 mm
1951 mm
Width Incl. Mirrors
2006 mm
1291 mm
Height
1301 mm
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
2496
4239
Blueprint Mercedes SLK 250 CDI (12 - 15)
2430
4134
4239 mm
Length
4134 mm
2496 mm
Wheelbase
2430 mm

Vehicle Weight

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
1495 kg
Kerb Weight
1570 kg
1750 kg
Gross Vehicle
Weight
1885 kg
BMW Z4 Roadster sDrive20i Automatic (13 - 16)
Weight Difference:
75 kg
4.78 %
Mercedes SLK 250 CDI (12 - 15)

General

BMW Z4 Roadster sDrive20i
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
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive20i
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
181 bhp
at 5000 rpm
Power
201 bhp
at 4200 rpm
BMW Z4 Roadster sDrive20i
181 bhp
201 bhp
Mercedes SLK 250 CDI
270 NM
at 1250 rpm
Max. Torque
500 NM
at 1600 rpm
BMW Z4 Roadster sDrive20i
270 NM
500 NM
Mercedes SLK 250 CDI

Performance

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
144 mph
Maximum Speed
152 mph
7.2 sec
Acceleration 0 to 62 mph
6.5 sec
62 mph 62
mph

100 m
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

90 m
0.000 sec

Mercedes SLK 250 CDI

▶ REPLAY
8.26 kg/bhp
Weight-to-Power Ratio
7.81 kg/bhp
BMW Z4 Roadster sDrive20i
8.26 kg/bhp
7.81 kg/bhp
Mercedes SLK 250 CDI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
Fuel Economy
42 mpg
combined
59 mpg
BMW Z4 Roadster sDrive20i
42 mpg
59 mpg
Mercedes SLK 250 CDI
30 mpg
city
46 mpg
No data
motorway
71 mpg
Kraftstoffanzeige
55 L
Fuel Tank Capacity
60 L
Kraftstoffanzeige
503 mi
Range
777 mi
BMW Z4 Roadster sDrive20i
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).
98.8 kWh
BMW Z4 Roadster sDrive20i
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 sDrive20i
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