The Comparative Analysis :
BMW Z4 Roadster sDrive23i (09 - 11) vs. Mercedes SLK 250 (11 - 15)
€ 36,400
€ 42,500
€ 36,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,500
ⓘ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 sDrive23i is 4.1 inches longer, 0.8 inches narrower and 0.4 inches lower than the Mercedes SLK 250.
BMW Z4 Roadster sDrive23i
Mercedes SLK 250
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 sDrive23i
Mercedes SLK 250
3263 lb
Curb Weight
3252 lb
3825 lb
Gross Vehicle
Weight
Weight
3946 lb
Weight Difference:
11 lb
0.34 %
General
BMW Z4 Roadster sDrive23i
Mercedes SLK 250
E89
Generation
R172
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive23i
Mercedes SLK 250
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
Straight-four gasoline engine with turbocharger
BMW N52
Engine Series
Mercedes-Benz M 271 EVO
N52-B25
Engine Code
M 271.861
4
Valves
4
6
Cylinders
4
2.5 L / 122 cu in
Displacement
1.8 L / 88 cu in
201 hp
at 6300 rpm
Power
201 hp
at 5500 rpm
BMW Z4 Roadster sDrive23i
201 hp
201 hp
Mercedes SLK 250
184 lb‑ft
at 2750 rpm
Max. Torque
229 lb‑ft
at 2000 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
229 lb‑ft
Mercedes SLK 250
Performance
BMW Z4 Roadster sDrive23i
Mercedes SLK 250
150 mph
Maximum Speed
152 mph
6.6 sec
Acceleration 0 to 62 mph
6.5 sec
62 mph
62
mph
mph
302 ft
0.000 sec
BMW Z4 Roadster sDrive23i
62 mph
62
mph
mph
295 ft
0.000 sec
Mercedes SLK 250
▶ REPLAY
16.23 lb/hp
Weight-to-Power Ratio
16.18 lb/hp
BMW Z4 Roadster sDrive23i
16.23 lb/hp
16.18 lb/hp
Mercedes SLK 250
Fuel Economy / Emissions
BMW Z4 Roadster sDrive23i
Mercedes SLK 250
Fuel Economy
28 mpg
combined
34 mpg
BMW Z4 Roadster sDrive23i
28 mpg
34 mpg
Mercedes SLK 250
19 mpg
city
25 mpg
No data
highway
44 mpg
14.5 gal
Fuel Tank Capacity
15.9 gal
402 mi
Range
541 mi
BMW Z4 Roadster sDrive23i
402 mi
541 mi
Mercedes SLK 250
Environmental Impact
161.1 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).
130.7 kWh
BMW Z4 Roadster sDrive23i
161.1 kWh
130.7 kWh
Mercedes SLK 250
Euro 5
Emission Standard
Euro 5
320 g/mi (NEFZ)
CO2 Emissions
257 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive23i
Mercedes SLK 250
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
694 lb
8.8 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data
