The Comparative Analysis :

BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) vs. Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11)

€ 45,800
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11) BMW Z4 Roadster sDrive30i
€ 50,000
 Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11) Mercedes SLK 350 Sportmotor
€ 45,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 50,000

ⓘ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 BMW Z4 Roadster sDrive30i is 5.2 inches longer, 0.1 inches wider and 0.3 inches lower than the Mercedes SLK 350 Sportmotor.
BMW Z4 Roadster sDrive30i
Mercedes SLK 350 Sportmotor
50.8
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
70.5
76.8
51.1
Blueprint Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11)
70.4
78.9
70.5 in
Width
70.4 in
76.8 in
Width Incl. Mirrors
78.9 in
50.8 in
Height
51.1 in
Blueprint BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
98.3
166.9
Blueprint Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11)
95.7
161.7
166.9 in
Length
161.7 in
98.3 in
Wheelbase
95.7 in

Vehicle Weight

BMW Z4 Roadster sDrive30i
Mercedes SLK 350 Sportmotor
3318 lb
Curb Weight
3274 lb
3880 lb
Gross Vehicle
Weight
3968 lb
BMW Z4 Roadster sDrive30i Sport-Automatic (09 - 11)
Weight Difference:
44 lb
1.33 %
Mercedes SLK 350 Sportmotor 7G-TRONIC (08 - 11)

General

BMW Z4 Roadster sDrive30i
Mercedes SLK 350 Sportmotor
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
7-speed automatic transmission

Engine

BMW Z4 Roadster sDrive30i
Mercedes SLK 350 Sportmotor
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
V6 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N52
Engine Series
Mercedes-Benz M 272
N52-B30
Engine Code
M 272.969
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3.5 L / 171 cu in
254 hp
at 6600 rpm
Power
301 hp
at 6500 rpm
BMW Z4 Roadster sDrive30i
254 hp
301 hp
Mercedes SLK 350 Sportmotor
229 lb‑ft
at 2600 rpm
Max. Torque
266 lb‑ft
at 4900 rpm
BMW Z4 Roadster sDrive30i
229 lb‑ft
266 lb‑ft
Mercedes SLK 350 Sportmotor

Performance

BMW Z4 Roadster sDrive30i
Mercedes SLK 350 Sportmotor
155 mph
Maximum Speed
155 mph
6.1 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

279 ft
0.000 sec

BMW Z4 Roadster sDrive30i

62 mph 62
mph

246 ft
0.000 sec

Mercedes SLK 350 Sportmotor

▶ REPLAY
13.06 lb/hp
Weight-to-Power Ratio
10.88 lb/hp
BMW Z4 Roadster sDrive30i
13.06 lb/hp
10.88 lb/hp
Mercedes SLK 350 Sportmotor

Fuel Economy / Emissions

BMW Z4 Roadster sDrive30i
Mercedes SLK 350 Sportmotor
Fuel Economy
28 mpg
combined
26 mpg
BMW Z4 Roadster sDrive30i
28 mpg
26 mpg
Mercedes SLK 350 Sportmotor
20 mpg
city
18 mpg
No data
highway
34 mpg
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
412 mi
Range
473 mi
BMW Z4 Roadster sDrive30i
412 mi
473 mi
Mercedes SLK 350 Sportmotor
Environmental Impact
157.2 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).
174.3 kWh
BMW Z4 Roadster sDrive30i
157.2 kWh
174.3 kWh
Mercedes SLK 350 Sportmotor
Euro 5
Emission Standard
Euro 4 / Euro 5
314 g/mi (NEFZ)
CO2 Emissions
352 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive30i
Mercedes SLK 350 Sportmotor
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