The Comparative Analysis :
Mercedes SLK 300 9G-TRONIC (15 - 16) vs. BMW Z4 Roadster sDrive28i (11 - 13)
€ 46,100

€ 43,600

€ 46,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 43,600
ⓘ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 Mercedes SLK 300 is 4.1 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive28i.
Mercedes SLK 300
BMW Z4 Roadster sDrive28i
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 300
BMW Z4 Roadster sDrive28i
3318 lb
Curb Weight
3252 lb
4012 lb
Gross Vehicle
Weight
Weight
3814 lb

Weight Difference:
66 lb
1.99 %

General
Mercedes SLK 300
BMW Z4 Roadster sDrive28i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

9-speed automatic transmission
Transmission
6-speed manual transmission
Engine
Mercedes SLK 300
BMW Z4 Roadster sDrive28i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-four gasoline engine with turbocharger
Mercedes-Benz M 274
Engine Series
BMW N20
M 274.920
Engine Code
N20-B20


4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5500 rpm
Power
242 hp
at 5000 rpm
Mercedes SLK 300
242 hp
242 hp
BMW Z4 Roadster sDrive28i
273 lb‑ft
at 1300 rpm
Max. Torque
258 lb‑ft
at 1250 rpm
Mercedes SLK 300
273 lb‑ft
258 lb‑ft
BMW Z4 Roadster sDrive28i
Performance
Mercedes SLK 300
BMW Z4 Roadster sDrive28i
151 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
5.7 sec
62 mph
62
mph
mph
302 ft
0.000 sec

Mercedes SLK 300
62 mph
62
mph
mph
259 ft
0.000 sec

BMW Z4 Roadster sDrive28i
▶ REPLAY
13.71 lb/hp
Weight-to-Power Ratio
13.44 lb/hp
Mercedes SLK 300
13.71 lb/hp
13.44 lb/hp
BMW Z4 Roadster sDrive28i
Fuel Economy / Emissions
Mercedes SLK 300
BMW Z4 Roadster sDrive28i
Fuel Economy
38 mpg
combined
35 mpg
Mercedes SLK 300
38 mpg
35 mpg
BMW Z4 Roadster sDrive28i
30 mpg
city
26 mpg
45 mpg
highway
No data
15.9 gal
Fuel Tank Capacity
14.5 gal
601 mi
Range
503 mi
Mercedes SLK 300
601 mi
503 mi
BMW Z4 Roadster sDrive28i
Environmental Impact
117.5 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 300
117.5 kWh
128.7 kWh
BMW Z4 Roadster sDrive28i
Euro 6b (NEFZ)
Emission Standard
Euro 5
232 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 300
BMW Z4 Roadster sDrive28i
2
Doors
2
2
No. of Seats
2
694 lb
Maximum Payload
562 lb
9.5 cu ft
Trunk Volume
8.8 cu ft








No data
Cargo Volume (Seats Down)
No data