The Comparative Analysis :
BMW Z4 Roadster sDrive35i (09 - 13) vs. Mercedes SLK 300 9G-TRONIC (15 - 16)
€ 49,300
![BMW Z4 Roadster sDrive35i (09 - 13)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
€ 46,100
![Mercedes SLK 300 9G-TRONIC (15 - 16)](graphbase/cars/cars_big/Mercedes_SLK_R172.webp)
€ 49,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,100
ⓘ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 sDrive35i is 4.1 inches longer, 0.8 inches narrower and 0.4 inches lower than the Mercedes SLK 300.
BMW Z4 Roadster sDrive35i
Mercedes SLK 300
50.8
70.5
76.8
51.2
71.3
79
70.5 in
Width
71.3 in
76.8 in
Width Incl. Mirrors
79 in
50.8 in
Height
51.2 in
98.3
166.9
95.7
162.8
166.9 in
Length
162.8 in
98.3 in
Wheelbase
95.7 in
Vehicle Weight
BMW Z4 Roadster sDrive35i
Mercedes SLK 300
3483 lb
Curb Weight
3318 lb
4045 lb
Gross Vehicle
Weight
Weight
4012 lb
![BMW Z4 Roadster sDrive35i (09 - 13)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
Weight Difference:
165 lb
4.74 %
![Mercedes SLK 300 9G-TRONIC (15 - 16)](graphbase/cars/cars_big_png/Mercedes_SLK_R172.png)
General
BMW Z4 Roadster sDrive35i
Mercedes SLK 300
E89
Generation
R172
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
![](graphbase/drivetrain/RWD.png)
Rear-wheel drive
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
6-speed manual transmission
Transmission
9-speed automatic transmission
Engine
BMW Z4 Roadster sDrive35i
Mercedes SLK 300
Straight-six gasoline engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine with turbocharger
BMW N54
Engine Series
Mercedes-Benz M 274
N54-B30
Engine Code
M 274.920
![](graphbase/engines/BMW_N54.png)
![](graphbase/engines/Mercedes-Benz_M_274.png)
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
302 hp
at 5800 rpm
Power
242 hp
at 5500 rpm
BMW Z4 Roadster sDrive35i
302 hp
242 hp
Mercedes SLK 300
295 lb‑ft
at 1300 rpm
Max. Torque
273 lb‑ft
at 1300 rpm
BMW Z4 Roadster sDrive35i
295 lb‑ft
273 lb‑ft
Mercedes SLK 300
Performance
BMW Z4 Roadster sDrive35i
Mercedes SLK 300
155 mph
Maximum Speed
151 mph
5.2 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
236 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_Z4_E89.png)
BMW Z4 Roadster sDrive35i
62 mph
62
mph
mph
302 ft
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_SLK_R172.png)
Mercedes SLK 300
▶ REPLAY
11.53 lb/hp
Weight-to-Power Ratio
13.71 lb/hp
BMW Z4 Roadster sDrive35i
11.53 lb/hp
13.71 lb/hp
Mercedes SLK 300
Fuel Economy / Emissions
BMW Z4 Roadster sDrive35i
Mercedes SLK 300
Fuel Economy
25 mpg
combined
38 mpg
BMW Z4 Roadster sDrive35i
25 mpg
38 mpg
Mercedes SLK 300
17 mpg
city
30 mpg
No data
highway
45 mpg
14.5 gal
Fuel Tank Capacity
15.9 gal
364 mi
Range
601 mi
BMW Z4 Roadster sDrive35i
364 mi
601 mi
Mercedes SLK 300
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).
117.5 kWh
BMW Z4 Roadster sDrive35i
178.2 kWh
117.5 kWh
Mercedes SLK 300
Euro 5
Emission Standard
Euro 6b (NEFZ)
352 g/mi (NEFZ)
CO2 Emissions
232 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive35i
Mercedes SLK 300
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
694 lb
8.8 cu ft
Trunk Volume
9.5 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KB.png)
No data
Cargo Volume (Seats Down)
No data