The Comparative Analysis :

BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) vs. Mercedes SLK 250 7G-TRONIC PLUS (11 - 15)

€ 38,800
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) BMW Z4 Roadster sDrive23i
€ 44,900
 Mercedes SLK 250 7G-TRONIC PLUS (11 - 15) Mercedes SLK 250
€ 38,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 44,900

ⓘ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 4.1 inches longer, 0.8 inches narrower and 0.4 inches lower than the Mercedes SLK 250.
BMW Z4 Roadster sDrive23i
Mercedes SLK 250
50.8
Blueprint BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
70.5
76.8
51.2
Blueprint Mercedes SLK 250 7G-TRONIC PLUS (11 - 15)
71.3
79
70.5 in
Width
71.3 in
76.8 in
Width Incl. Mirrors
79 in
50.8 in
Height
51.2 in
Blueprint BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
98.3
166.9
Blueprint Mercedes SLK 250 7G-TRONIC PLUS (11 - 15)
95.7
162.8
166.9 in
Length
162.8 in
98.3 in
Wheelbase
95.7 in

Vehicle Weight

BMW Z4 Roadster sDrive23i
Mercedes SLK 250
3318 lb
Curb Weight
3307 lb
3880 lb
Gross Vehicle
Weight
4001 lb
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
Weight Difference:
11 lb
0.33 %
Mercedes SLK 250 7G-TRONIC PLUS (11 - 15)

General

BMW Z4 Roadster sDrive23i
Mercedes SLK 250
E89
Generation
R172
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 sDrive23i
Mercedes SLK 250
Straight-six gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW N52
Engine Series
Mercedes-Benz M 271 EVO
N52-B25
Engine Code
M 271.861
4
Valves
4
6
Cylinders
4
2.5 L / 122 cu in
Displacement
1.8 L / 88 cu in
201 hp
at 6300 rpm
Power
201 hp
at 5500 rpm
BMW Z4 Roadster sDrive23i
201 hp
201 hp
Mercedes SLK 250
184 lb‑ft
at 2750 rpm
Max. Torque
229 lb‑ft
at 2000 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
229 lb‑ft
Mercedes SLK 250

Performance

BMW Z4 Roadster sDrive23i
Mercedes SLK 250
149 mph
Maximum Speed
151 mph
7.3 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph 62
mph

331 ft
0.000 sec

BMW Z4 Roadster sDrive23i

62 mph 62
mph

302 ft
0.000 sec

Mercedes SLK 250

▶ REPLAY
16.51 lb/hp
Weight-to-Power Ratio
16.45 lb/hp
BMW Z4 Roadster sDrive23i
16.51 lb/hp
16.45 lb/hp
Mercedes SLK 250

Fuel Economy / Emissions

BMW Z4 Roadster sDrive23i
Mercedes SLK 250
Fuel Economy
29 mpg
combined
38 mpg
BMW Z4 Roadster sDrive23i
29 mpg
38 mpg
Mercedes SLK 250
20 mpg
city
28 mpg
No data
highway
47 mpg
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
417 mi
Range
601 mi
BMW Z4 Roadster sDrive23i
417 mi
601 mi
Mercedes SLK 250
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).
117.5 kWh
BMW Z4 Roadster sDrive23i
155.3 kWh
117.5 kWh
Mercedes SLK 250
Euro 5
Emission Standard
Euro 5
309 g/mi (NEFZ)
CO2 Emissions
232 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive23i
Mercedes SLK 250
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
694 lb
8.8 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data