The Comparative Analysis :
BMW Z4 Roadster sDrive35i (09 - 13) vs. Mercedes SLK 55 AMG 7G-TRONIC (08 - 11)
€ 49,300
€ 70,700
€ 49,300
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 sDrive35i is 5.4 inches longer, 0.2 inches narrower and 0.8 inches taller than the Mercedes SLK 55 AMG.
BMW Z4 Roadster sDrive35i
Mercedes SLK 55 AMG
50.8
70.5
76.8
50
70.6
78.9
70.5 in
Width
70.6 in
76.8 in
Width Incl. Mirrors
78.9 in
50.8 in
Height
50 in
98.3
166.9
95.7
161.5
166.9 in
Length
161.5 in
98.3 in
Wheelbase
95.7 in
Vehicle Weight
BMW Z4 Roadster sDrive35i
Mercedes SLK 55 AMG
3483 lb
Curb Weight
3472 lb
4045 lb
Gross Vehicle
Weight
Weight
4079 lb
Weight Difference:
11 lb
0.32 %
General
BMW Z4 Roadster sDrive35i
Mercedes SLK 55 AMG
E89
Generation
R171
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
7-speed automatic transmission
Engine
BMW Z4 Roadster sDrive35i
Mercedes SLK 55 AMG
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
V8 gasoline engine (naturally aspirated engine)
BMW N54
Engine Series
Mercedes-Benz M 113
N54-B30
Engine Code
M 113.989
4
Valves
3
6
Cylinders
8
3 L / 147 cu in
Displacement
5.4 L / 264 cu in
302 hp
at 5800 rpm
Power
355 hp
at 5750 rpm
BMW Z4 Roadster sDrive35i
302 hp
355 hp
Mercedes SLK 55 AMG
295 lb‑ft
at 1300 rpm
Max. Torque
376 lb‑ft
at 4000 rpm
BMW Z4 Roadster sDrive35i
295 lb‑ft
376 lb‑ft
Mercedes SLK 55 AMG
Performance
BMW Z4 Roadster sDrive35i
Mercedes SLK 55 AMG
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
236 ft
0.000 sec
BMW Z4 Roadster sDrive35i
62 mph
62
mph
mph
223 ft
0.000 sec
Mercedes SLK 55 AMG
▶ REPLAY
11.53 lb/hp
Weight-to-Power Ratio
9.78 lb/hp
BMW Z4 Roadster sDrive35i
11.53 lb/hp
9.78 lb/hp
Mercedes SLK 55 AMG
Fuel Economy / Emissions
BMW Z4 Roadster sDrive35i
Mercedes SLK 55 AMG
Fuel Economy
25 mpg
combined
20 mpg
BMW Z4 Roadster sDrive35i
25 mpg
20 mpg
Mercedes SLK 55 AMG
17 mpg
city
13 mpg
No data
highway
27 mpg
14.5 gal
Fuel Tank Capacity
18.5 gal
364 mi
Range
362 mi
BMW Z4 Roadster sDrive35i
364 mi
362 mi
Mercedes SLK 55 AMG
Environmental Impact
178.2 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).
227.4 kWh
BMW Z4 Roadster sDrive35i
178.2 kWh
227.4 kWh
Mercedes SLK 55 AMG
Euro 5
Emission Standard
Euro 4
352 g/mi (NEFZ)
CO2 Emissions
463 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive35i
Mercedes SLK 55 AMG
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
606 lb
8.8 cu ft
Trunk Volume
8.5 cu ft
No data
Cargo Volume (Seats Down)
No data
