The Comparative Analysis :

BMW Z4 Roadster sDrive20i (11 - 13) vs. Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)

€ 36,600
BMW Z4 Roadster sDrive20i (11 - 13) BMW Z4 Roadster sDrive20i
€ 73,500
 Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16) Mercedes SLK 55 AMG
€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 73,500

ⓘ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 55 AMG.
BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
1291
Blueprint BMW Z4 Roadster sDrive20i (11 - 13)
1790
1951
1301
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
1810
2006
1790 mm
Width
1810 mm
1951 mm
Width Incl. Mirrors
2006 mm
1291 mm
Height
1301 mm
Blueprint BMW Z4 Roadster sDrive20i (11 - 13)
2496
4239
Blueprint Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)
2430
4134
4239 mm
Length
4134 mm
2496 mm
Wheelbase
2430 mm

Vehicle Weight

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
1470 kg
Kerb Weight
1610 kg
1725 kg
Gross Vehicle
Weight
1910 kg
BMW Z4 Roadster sDrive20i (11 - 13)
Weight Difference:
140 kg
8.7 %
Mercedes SLK 55 AMG SPEEDSHIFT PLUS (11 - 16)

General

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
E89
Generation
R172
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 152
N20-B20
Engine Code
M 152.980
4
Valves
4
4
Cylinders
8
1997 CC
Engine Capacity
5461 CC
181 bhp
at 5000 rpm
Power
416 bhp
at 6800 rpm
BMW Z4 Roadster sDrive20i
181 bhp
416 bhp
Mercedes SLK 55 AMG
270 NM
at 1250 rpm
Max. Torque
540 NM
at 4500 rpm
BMW Z4 Roadster sDrive20i
270 NM
540 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
4.6 sec
62 mph 62
mph

96 m
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

64 m
0.000 sec

Mercedes SLK 55 AMG

▶ REPLAY
8.12 kg/bhp
Weight-to-Power Ratio
3.87 kg/bhp
BMW Z4 Roadster sDrive20i
8.12 kg/bhp
3.87 kg/bhp
Mercedes SLK 55 AMG

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Mercedes SLK 55 AMG
Fuel Economy
42 mpg
combined
34 mpg
BMW Z4 Roadster sDrive20i
42 mpg
34 mpg
Mercedes SLK 55 AMG
32 mpg
city
24 mpg
No data
motorway
46 mpg
Kraftstoffanzeige
55 L
Fuel Tank Capacity
70 L
Kraftstoffanzeige
503 mi
Range
518 mi
BMW Z4 Roadster sDrive20i
503 mi
518 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).
159.2 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
159.2 kWh
Mercedes SLK 55 AMG
Euro 5
Emission Standard
Euro 5 / Euro 6
159 g/km (NEFZ)
CO2 Emissions
195 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
300 kg
310 L
Boot Capacity
335 L
No data
Boot Capacity (Seats Down)
No data