The Comparative Analysis :
Mercedes SLK 250 (11 - 15) vs. BMW Z4 Roadster sDrive35i M DKG (13 - 16)
€ 42,500

€ 52,000

€ 42,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 52,000
ⓘ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 Mercedes SLK 250 is 4.1 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive35i.
Mercedes SLK 250
BMW Z4 Roadster sDrive35i
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 250
BMW Z4 Roadster sDrive35i
3252 lb
Curb Weight
3527 lb
3946 lb
Gross Vehicle
Weight
Weight
4090 lb

Weight Difference:
276 lb
7.82 %

General
Mercedes SLK 250
BMW Z4 Roadster sDrive35i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Mid-Grade Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
7-speed dual clutch transmission
Engine
Mercedes SLK 250
BMW Z4 Roadster sDrive35i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with two turbochargers (biturbo)
Mercedes-Benz M 271 EVO
Engine Series
BMW N54
M 271.861
Engine Code
N54-B30


4
Valves
4
4
Cylinders
6
1.8 L / 88 cu in
Displacement
3 L / 147 cu in
201 hp
at 5500 rpm
Power
302 hp
at 5800 rpm
Mercedes SLK 250
201 hp
302 hp
BMW Z4 Roadster sDrive35i
229 lb‑ft
at 2000 rpm
Max. Torque
295 lb‑ft
at 1300 rpm
Mercedes SLK 250
229 lb‑ft
295 lb‑ft
BMW Z4 Roadster sDrive35i
Performance
Mercedes SLK 250
BMW Z4 Roadster sDrive35i
152 mph
Maximum Speed
155 mph
6.5 sec
Acceleration 0 to 62 mph
5.1 sec
62 mph
62
mph
mph
295 ft
0.000 sec

Mercedes SLK 250
62 mph
62
mph
mph
233 ft
0.000 sec

BMW Z4 Roadster sDrive35i
▶ REPLAY
16.18 lb/hp
Weight-to-Power Ratio
11.68 lb/hp
Mercedes SLK 250
16.18 lb/hp
11.68 lb/hp
BMW Z4 Roadster sDrive35i
Fuel Economy / Emissions
Mercedes SLK 250
BMW Z4 Roadster sDrive35i
Fuel Economy
34 mpg
combined
26 mpg
Mercedes SLK 250
34 mpg
26 mpg
BMW Z4 Roadster sDrive35i
25 mpg
city
19 mpg
44 mpg
highway
No data
15.9 gal
Fuel Tank Capacity
14.5 gal
541 mi
Range
380 mi
Mercedes SLK 250
541 mi
380 mi
BMW Z4 Roadster sDrive35i
Environmental Impact
130.7 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).
170.4 kWh
Mercedes SLK 250
130.7 kWh
170.4 kWh
BMW Z4 Roadster sDrive35i
Euro 5
Emission Standard
Euro 5
257 g/mi (NEFZ)
CO2 Emissions
338 g/mi (NEFZ)
Practical Convenience
Mercedes SLK 250
BMW Z4 Roadster sDrive35i
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