The Comparative Analysis :
Mercedes SLK 250 d 9G-TRONIC (15 - 16) vs. BMW Z4 Roadster sDrive20i Sport-Automatic (11 - 13)
€ 43,400
![Mercedes SLK 250 d 9G-TRONIC (15 - 16)](graphbase/cars/cars_big_png/Mercedes_SLK_R172.png)
€ 39,000
![BMW Z4 Roadster sDrive20i Sport-Automatic (11 - 13)](graphbase/cars/cars_big/BMW_Z4_E89.webp)
€ 43,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,000
ⓘ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 250 d is 4.1 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive20i.
Mercedes SLK 250 d
BMW Z4 Roadster sDrive20i
51.2
71.3
79
50.8
70.5
76.8
71.3 in
Width
70.5 in
79 in
Width Incl. Mirrors
76.8 in
51.2 in
Height
50.8 in
95.7
162.8
98.3
166.9
162.8 in
Length
166.9 in
95.7 in
Wheelbase
98.3 in
Vehicle Weight
Mercedes SLK 250 d
BMW Z4 Roadster sDrive20i
3538 lb
Curb Weight
3296 lb
4200 lb
Gross Vehicle
Weight
Weight
3858 lb
![Mercedes SLK 250 d 9G-TRONIC (15 - 16)](graphbase/cars/cars_big_png/Mercedes_SLK_R172.png)
Weight Difference:
243 lb
6.87 %
![BMW Z4 Roadster sDrive20i Sport-Automatic (11 - 13)](graphbase/cars/cars_big_png/BMW_Z4_E89.png)
General
Mercedes SLK 250 d
BMW Z4 Roadster sDrive20i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Premium Unleaded
![](graphbase/drivetrain/RWD.png)
Rear-wheel drive
Drivetrain
Rear-wheel drive
![](graphbase/drivetrain/RWD.png)
9-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
Mercedes SLK 250 d
BMW Z4 Roadster sDrive20i
Straight-four diesel engine with two turbochargers (biturbo)
Engine Type
Straight-four gasoline engine with turbocharger
Mercedes-Benz OM 651
Engine Series
BMW N20
OM 651.980
Engine Code
N20-B20
![](graphbase/engines/Mercedes-Benz_OM_651.png)
![](graphbase/engines/BMW_N20.png)
4
Valves
4
4
Cylinders
4
2.1 L / 103 cu in
Displacement
2 L / 98 cu in
201 hp
at 3800 rpm
Power
181 hp
at 5000 rpm
Mercedes SLK 250 d
201 hp
181 hp
BMW Z4 Roadster sDrive20i
369 lb‑ft
at 1600 rpm
Max. Torque
199 lb‑ft
at 1250 rpm
Mercedes SLK 250 d
369 lb‑ft
199 lb‑ft
BMW Z4 Roadster sDrive20i
Performance
Mercedes SLK 250 d
BMW Z4 Roadster sDrive20i
152 mph
Maximum Speed
144 mph
6.6 sec
Acceleration 0 to 62 mph
7.2 sec
62 mph
62
mph
mph
302 ft
0.000 sec
![](graphbase/cars/cars_small_png/Mercedes_SLK_R172.png)
Mercedes SLK 250 d
62 mph
62
mph
mph
328 ft
0.000 sec
![](graphbase/cars/cars_small_png/BMW_Z4_E89.png)
BMW Z4 Roadster sDrive20i
▶ REPLAY
17.6 lb/hp
Weight-to-Power Ratio
18.21 lb/hp
Mercedes SLK 250 d
17.6 lb/hp
18.21 lb/hp
BMW Z4 Roadster sDrive20i
Fuel Economy / Emissions
Mercedes SLK 250 d
BMW Z4 Roadster sDrive20i
Fuel Economy
53 mpg
combined
35 mpg
Mercedes SLK 250 d
53 mpg
35 mpg
BMW Z4 Roadster sDrive20i
45 mpg
city
26 mpg
60 mpg
highway
No data
15.9 gal
Fuel Tank Capacity
14.5 gal
848 mi
Range
503 mi
Mercedes SLK 250 d
848 mi
503 mi
BMW Z4 Roadster sDrive20i
Environmental Impact
90.4 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 250 d
90.4 kWh
128.7 kWh
BMW Z4 Roadster sDrive20i
Euro 6b (NEFZ)
Emission Standard
Euro 5
183 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 250 d
BMW Z4 Roadster sDrive20i
2
Doors
2
2
No. of Seats
2
661 lb
Maximum Payload
562 lb
9.5 cu ft
Trunk Volume
8.8 cu ft
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KS.png)
![](graphbase/koffer/KB.png)
No data
Cargo Volume (Seats Down)
No data