The Comparative Analysis :
BMW Z4 Roadster sDrive20i (11 - 13) vs. Mercedes SLK 350 (04 - 08)
€ 36,600
€ 46,200
€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,200
ⓘ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 sDrive20i is 5.9 inches longer, 0.1 inches wider and 0.3 inches lower than the Mercedes SLK 350.
BMW Z4 Roadster sDrive20i
Mercedes SLK 350
50.8
70.5
76.8
51.1
70.4
77.6
70.5 in
Width
70.4 in
76.8 in
Width Incl. Mirrors
77.6 in
50.8 in
Height
51.1 in
98.3
166.9
95.7
161
166.9 in
Length
161 in
98.3 in
Wheelbase
95.7 in
Vehicle Weight
BMW Z4 Roadster sDrive20i
Mercedes SLK 350
3241 lb
Curb Weight
3230 lb
3803 lb
Gross Vehicle
Weight
Weight
3924 lb
Weight Difference:
11 lb
0.34 %
General
BMW Z4 Roadster sDrive20i
Mercedes SLK 350
E89
Generation
R171
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 sDrive20i
Mercedes SLK 350
Straight-four gasoline engine with turbocharger
Engine Type
V6 gasoline engine (naturally aspirated engine)
BMW N20
Engine Series
Mercedes-Benz M 272
N20-B20
Engine Code
M 272.963
4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3.5 L / 171 cu in
181 hp
at 5000 rpm
Power
268 hp
at 6000 rpm
BMW Z4 Roadster sDrive20i
181 hp
268 hp
Mercedes SLK 350
199 lb‑ft
at 1250 rpm
Max. Torque
258 lb‑ft
at 3500 rpm
BMW Z4 Roadster sDrive20i
199 lb‑ft
258 lb‑ft
Mercedes SLK 350
Performance
BMW Z4 Roadster sDrive20i
Mercedes SLK 350
146 mph
Maximum Speed
155 mph
6.9 sec
Acceleration 0 to 62 mph
5.6 sec
62 mph
62
mph
mph
315 ft
0.000 sec
BMW Z4 Roadster sDrive20i
62 mph
62
mph
mph
256 ft
0.000 sec
Mercedes SLK 350
▶ REPLAY
17.91 lb/hp
Weight-to-Power Ratio
12.05 lb/hp
BMW Z4 Roadster sDrive20i
17.91 lb/hp
12.05 lb/hp
Mercedes SLK 350
Fuel Economy / Emissions
BMW Z4 Roadster sDrive20i
Mercedes SLK 350
Fuel Economy
35 mpg
combined
22 mpg
BMW Z4 Roadster sDrive20i
35 mpg
22 mpg
Mercedes SLK 350
26 mpg
city
15 mpg
No data
highway
29 mpg
14.5 gal
Fuel Tank Capacity
18.5 gal
503 mi
Range
403 mi
BMW Z4 Roadster sDrive20i
503 mi
403 mi
Mercedes SLK 350
Environmental Impact
128.7 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).
204.5 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
204.5 kWh
Mercedes SLK 350
Euro 5
Emission Standard
Euro 4
256 g/mi (NEFZ)
CO2 Emissions
410 g/mi (NEFZ)
Practical Convenience
BMW Z4 Roadster sDrive20i
Mercedes SLK 350
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
