The Comparative Analysis :

BMW Z4 Roadster sDrive18i Automatic (13 - 16) vs. Mercedes SLK 250 CDI 7G-TRONIC PLUS (11 - 15)

€ 36,600
BMW Z4 Roadster sDrive18i Automatic (13 - 16) BMW Z4 Roadster sDrive18i
€ 42,500
 Mercedes SLK 250 CDI 7G-TRONIC PLUS (11 - 15) Mercedes SLK 250 CDI
€ 36,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 42,500

ⓘ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 sDrive18i is 4.1 inches longer, 0.8 inches narrower and 0.4 inches lower than the Mercedes SLK 250 CDI.
BMW Z4 Roadster sDrive18i
Mercedes SLK 250 CDI
50.8
Blueprint BMW Z4 Roadster sDrive18i Automatic (13 - 16)
70.5
76.8
51.2
Blueprint Mercedes SLK 250 CDI 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 sDrive18i Automatic (13 - 16)
98.3
166.9
Blueprint Mercedes SLK 250 CDI 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 sDrive18i
Mercedes SLK 250 CDI
3296 lb
Curb Weight
3505 lb
3858 lb
Gross Vehicle
Weight
4200 lb
BMW Z4 Roadster sDrive18i Automatic (13 - 16)
Weight Difference:
209 lb
5.96 %
Mercedes SLK 250 CDI 7G-TRONIC PLUS (11 - 15)

General

BMW Z4 Roadster sDrive18i
Mercedes SLK 250 CDI
E89
Generation
R172
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW Z4 Roadster sDrive18i
Mercedes SLK 250 CDI
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
BMW N20
Engine Series
Mercedes-Benz OM 651
N20-B20
Engine Code
OM 651.980
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2.1 L / 103 cu in
154 hp
at 5000 rpm
Power
201 hp
at 4200 rpm
BMW Z4 Roadster sDrive18i
154 hp
201 hp
Mercedes SLK 250 CDI
177 lb‑ft
at 1250 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
BMW Z4 Roadster sDrive18i
177 lb‑ft
369 lb‑ft
Mercedes SLK 250 CDI

Performance

BMW Z4 Roadster sDrive18i
Mercedes SLK 250 CDI
137 mph
Maximum Speed
151 mph
8.1 sec
Acceleration 0 to 62 mph
6.7 sec
62 mph 62
mph

371 ft
0.000 sec

BMW Z4 Roadster sDrive18i

62 mph 62
mph

305 ft
0.000 sec

Mercedes SLK 250 CDI

▶ REPLAY
21.4 lb/hp
Weight-to-Power Ratio
17.44 lb/hp
BMW Z4 Roadster sDrive18i
21.4 lb/hp
17.44 lb/hp
Mercedes SLK 250 CDI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive18i
Mercedes SLK 250 CDI
Fuel Economy
35 mpg
combined
48 mpg
BMW Z4 Roadster sDrive18i
35 mpg
48 mpg
Mercedes SLK 250 CDI
25 mpg
city
39 mpg
No data
highway
57 mpg
Kraftstoffanzeige
14.5 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
503 mi
Range
761 mi
BMW Z4 Roadster sDrive18i
503 mi
761 mi
Mercedes SLK 250 CDI
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).
100.7 kWh
BMW Z4 Roadster sDrive18i
128.7 kWh
100.7 kWh
Mercedes SLK 250 CDI
Euro 6b (NEFZ)
Emission Standard
Euro 5
256 g/mi (NEFZ)
CO2 Emissions
206 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive18i
Mercedes SLK 250 CDI
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