The Comparative Analysis :

BMW Z4 Roadster sDrive20i (19 - ..) vs. Mercedes SLK 250 CDI (12 - 15)

€ 41,000
BMW Z4 Roadster sDrive20i (19 - ..) BMW Z4 Roadster sDrive20i
€ 40,100
 Mercedes SLK 250 CDI (12 - 15) Mercedes SLK 250 CDI
€ 41,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 40,100

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW Z4 Roadster sDrive20i is considerably bigger in every dimension. It's 7.5 inches longer, 2.1 inches wider and 0.1 inches taller than the Mercedes SLK 250 CDI.
BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
51.3
Blueprint BMW Z4 Roadster sDrive20i (19 - ..)
73.4
79.7
51.2
Blueprint Mercedes SLK 250 CDI (12 - 15)
71.3
79
73.4 in
Width
71.3 in
79.7 in
Width Incl. Mirrors
79 in
51.3 in
Height
51.2 in
Blueprint BMW Z4 Roadster sDrive20i (19 - ..)
97.2
170.2
Blueprint Mercedes SLK 250 CDI (12 - 15)
95.7
162.8
170.2 in
Length
162.8 in
97.2 in
Wheelbase
95.7 in

Vehicle Weight

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
3263 lb
Curb Weight
3461 lb
3803 lb
Gross Vehicle
Weight
4156 lb
BMW Z4 Roadster sDrive20i (19 - ..)
Weight Difference:
198 lb
5.72 %
Mercedes SLK 250 CDI (12 - 15)

General

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
G29
Generation
R172
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Diesel
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
6-speed manual transmission

Engine

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
BMW B48
Engine Series
Mercedes-Benz OM 651
B48-B20
Engine Code
OM 651.980
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2.1 L / 103 cu in
194 hp
at 4500 rpm
Power
201 hp
at 4200 rpm
BMW Z4 Roadster sDrive20i
194 hp
201 hp
Mercedes SLK 250 CDI
236 lb‑ft
at 1450 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
BMW Z4 Roadster sDrive20i
236 lb‑ft
369 lb‑ft
Mercedes SLK 250 CDI

Performance

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
150 mph
Maximum Speed
152 mph
6.8 sec
Acceleration 0 to 62 mph
6.5 sec
62 mph 62
mph

308 ft
0.000 sec

BMW Z4 Roadster sDrive20i

62 mph 62
mph

295 ft
0.000 sec

Mercedes SLK 250 CDI

▶ REPLAY
16.82 lb/hp
Weight-to-Power Ratio
17.22 lb/hp
BMW Z4 Roadster sDrive20i
16.82 lb/hp
17.22 lb/hp
Mercedes SLK 250 CDI

Fuel Economy / Emissions

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
Fuel Economy
35 mpg
combined
49 mpg
BMW Z4 Roadster sDrive20i
35 mpg
49 mpg
Mercedes SLK 250 CDI
26 mpg
city
38 mpg
No data
highway
59 mpg
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
475 mi
Range
777 mi
BMW Z4 Roadster sDrive20i
475 mi
777 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).
98.8 kWh
BMW Z4 Roadster sDrive20i
128.7 kWh
98.8 kWh
Mercedes SLK 250 CDI
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5
264 g/mi (WLTP)
CO2 Emissions
200 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster sDrive20i
Mercedes SLK 250 CDI
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
694 lb
8 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data