The Comparative Analysis :
BMW Z4 Roadster sDrive20i (13 - 16) vs. Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)
€ 37,300
€ 70,700
€ 37,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 70,700
ⓘ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 BMW Z4 Roadster sDrive20i is 13.6 cm longer, 0.4 cm narrower and 2 cm taller than the Mercedes SLK 55 AMG.
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
1291
1790
1951
1271
1794
2005
1790 mm
Width
1794 mm
1951 mm
Width Incl. Mirrors
2005 mm
1291 mm
Height
1271 mm
2496
4239
2430
4103
4239 mm
Length
4103 mm
2496 mm
Wheelbase
2430 mm
Vehicle Weight
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
1470 kg
Kerb Weight
1575 kg
1725 kg
Gross Vehicle
Weight
Weight
1850 kg
Weight Difference:
105 kg
6.67 %
General
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
E89
Generation
R171
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
Straight-four petrol engine with turbocharger
Engine Type
V8 petrol engine (naturally aspirated engine)
BMW N20
Engine Series
Mercedes-Benz M 113
N20-B20
Engine Code
M 113.989
4
Valves
3
4
Cylinders
8
1997 CC
Engine Capacity
5439 CC
181 bhp
at 5000 rpm
Power
355 bhp
at 5750 rpm
BMW Z4 Roadster sDrive20i
181 bhp
355 bhp
Mercedes SLK 55 AMG
270 NM
at 1250 rpm
Max. Torque
510 NM
at 4000 rpm
BMW Z4 Roadster sDrive20i
270 NM
510 NM
Mercedes SLK 55 AMG
Performance
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
146 mph
Maximum Speed
155 mph
6.9 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
96 m
0.000 sec
BMW Z4 Roadster sDrive20i
62 mph
62
mph
mph
68 m
0.000 sec
Mercedes SLK 55 AMG
▶ REPLAY
8.12 kg/bhp
Weight-to-Power Ratio
4.44 kg/bhp
BMW Z4 Roadster sDrive20i
8.12 kg/bhp
4.44 kg/bhp
Mercedes SLK 55 AMG
Fuel Economy / Emissions
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
Fuel Economy
42 mpg
combined
24 mpg
BMW Z4 Roadster sDrive20i
42 mpg
24 mpg
Mercedes SLK 55 AMG
32 mpg
city
16 mpg
No data
motorway
32 mpg
55 L
Fuel Tank Capacity
70 L
503 mi
Range
362 mi
BMW Z4 Roadster sDrive20i
503 mi
362 mi
Mercedes SLK 55 AMG
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).
227.4 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
227.4 kWh
Mercedes SLK 55 AMG
Euro 6b (NEFZ)
Emission Standard
Euro 4
159 g/km (NEFZ)
CO2 Emissions
288 g/km (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
255 kg
Maximum Payload
275 kg
310 L
Boot Capacity
300 L
No data
Boot Capacity (Seats Down)
No data
