The Comparative Analysis :
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) vs. Mercedes SLK 280 (08 - 11)
€ 38,800

€ 42,600

€ 38,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,600
ⓘ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 5.2 inches longer, 0.1 inches wider and 0.2 inches lower than the Mercedes SLK 280.
BMW Z4 Roadster sDrive23i
Mercedes SLK 280
50.8
70.5
76.8
51
70.4
78.9
70.5 in
Width
70.4 in
76.8 in
Width Incl. Mirrors
78.9 in
50.8 in
Height
51 in
98.3
166.9
95.7
161.7
166.9 in
Length
161.7 in
98.3 in
Wheelbase
95.7 in
Vehicle Weight
BMW Z4 Roadster sDrive23i
Mercedes SLK 280
3318 lb
Curb Weight
3175 lb
3880 lb
Gross Vehicle
Weight
Weight
3869 lb

Weight Difference:
143 lb
4.31 %

General
BMW Z4 Roadster sDrive23i
Mercedes SLK 280
E89
Generation
R171
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Mid-Grade Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
BMW Z4 Roadster sDrive23i
Mercedes SLK 280
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine (naturally aspirated engine)
BMW N52
Engine Series
Mercedes-Benz M 272
N52-B25
Engine Code
M 272.942


4
Valves
4
6
Cylinders
6
2.5 L / 122 cu in
Displacement
3 L / 147 cu in
201 hp
at 6300 rpm
Power
228 hp
at 6000 rpm
BMW Z4 Roadster sDrive23i
201 hp
228 hp
Mercedes SLK 280
184 lb‑ft
at 2750 rpm
Max. Torque
221 lb‑ft
at 2500 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
221 lb‑ft
Mercedes SLK 280
Performance
BMW Z4 Roadster sDrive23i
Mercedes SLK 280
149 mph
Maximum Speed
155 mph
7.3 sec
Acceleration 0 to 62 mph
6.3 sec
62 mph
62
mph
mph
331 ft
0.000 sec

BMW Z4 Roadster sDrive23i
62 mph
62
mph
mph
289 ft
0.000 sec

Mercedes SLK 280
▶ REPLAY
16.51 lb/hp
Weight-to-Power Ratio
13.93 lb/hp
BMW Z4 Roadster sDrive23i
16.51 lb/hp
13.93 lb/hp
Mercedes SLK 280
Fuel Economy / Emissions
BMW Z4 Roadster sDrive23i
Mercedes SLK 280
Fuel Economy
29 mpg
combined
25 mpg
BMW Z4 Roadster sDrive23i
29 mpg
25 mpg
Mercedes SLK 280
20 mpg
city
17 mpg
No data
highway
35 mpg
14.5 gal
Fuel Tank Capacity
18.5 gal
417 mi
Range
468 mi
BMW Z4 Roadster sDrive23i
417 mi
468 mi
Mercedes SLK 280
Environmental Impact
155.3 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).
176.2 kWh
BMW Z4 Roadster sDrive23i
155.3 kWh
176.2 kWh
Mercedes SLK 280
Euro 5
Emission Standard
Euro 4 / Euro 5
309 g/mi (NEFZ)
CO2 Emissions
354 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive23i
Mercedes SLK 280
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
694 lb
8.8 cu ft
Trunk Volume
8.5 cu ft








No data
Cargo Volume (Seats Down)
No data