The Comparative Analysis :
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) vs. BMW Z4 Roadster sDrive20i Automatic (13 - 16)
€ 73,500

€ 39,600

€ 73,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,600
ⓘ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 55 AMG is 10.5 cm shorter, 2 cm wider and 1 cm taller than the BMW Z4 Roadster sDrive20i.
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
1301
1810
2006
1291
1790
1951
1810 mm
Width
1790 mm
2006 mm
Width Incl. Mirrors
1951 mm
1301 mm
Height
1291 mm
2430
4134
2496
4239
4134 mm
Length
4239 mm
2430 mm
Wheelbase
2496 mm
Vehicle Weight
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
1610 kg
Kerb Weight
1495 kg
1910 kg
Gross Vehicle
Weight
Weight
1750 kg

Weight Difference:
115 kg
7.14 %

General
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
Rear-wheel drive

7-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
V8 petrol engine (naturally aspirated engine)
Engine Type
Straight-four petrol engine with turbocharger
Mercedes-Benz M 152
Engine Series
BMW N20
M 152.980
Engine Code
N20-B20


4
Valves
4
8
Cylinders
4
5461 CC
Engine Capacity
1997 CC
416 bhp
at 6800 rpm
Power
181 bhp
at 5000 rpm
Mercedes SLK 55 AMG
416 bhp
181 bhp
BMW Z4 Roadster sDrive20i
540 NM
at 4500 rpm
Max. Torque
270 NM
at 1250 rpm
Mercedes SLK 55 AMG
540 NM
270 NM
BMW Z4 Roadster sDrive20i
Performance
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
155 mph
Maximum Speed
144 mph
4.6 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
64 m
0.000 sec

Mercedes SLK 55 AMG
62 mph
62
mph
mph
100 m
0.000 sec

BMW Z4 Roadster sDrive20i
▶ REPLAY
3.87 kg/bhp
Weight-to-Power Ratio
8.26 kg/bhp
Mercedes SLK 55 AMG
3.87 kg/bhp
8.26 kg/bhp
BMW Z4 Roadster sDrive20i
Fuel Economy / Emissions
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
Fuel Economy
34 mpg
combined
42 mpg
Mercedes SLK 55 AMG
34 mpg
42 mpg
BMW Z4 Roadster sDrive20i
24 mpg
city
30 mpg
46 mpg
motorway
No data
70 L
Fuel Tank Capacity
55 L
518 mi
Range
503 mi
Mercedes SLK 55 AMG
518 mi
503 mi
BMW Z4 Roadster sDrive20i
Environmental Impact
159.2 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).
128.7 kWh
Mercedes SLK 55 AMG
159.2 kWh
128.7 kWh
BMW Z4 Roadster sDrive20i
Euro 5 / Euro 6
Emission Standard
Euro 6b (NEFZ)
195 g/km (NEFZ)
CO2 Emissions
159 g/km (NEFZ)
Practical Convenience
Mercedes SLK 55 AMG
BMW Z4 Roadster sDrive20i
2
Doors
2
2
No. of Seats
2
300 kg
Maximum Payload
255 kg
335 L
Boot Capacity
310 L








No data
Boot Capacity (Seats Down)
No data