The Comparative Analysis :

Mercedes SLK 250 CDI (12 - 15) vs. BMW Z4 Roadster sDrive20i Automatic (13 - 16)

€ 40,100
Mercedes SLK 250 CDI (12 - 15) Mercedes SLK 250 CDI
€ 39,600
 BMW Z4 Roadster sDrive20i Automatic (13 - 16) BMW Z4 Roadster sDrive20i
€ 40,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 39,600

ⓘ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 250 CDI is 4.1 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive20i.
Mercedes SLK 250 CDI
BMW Z4 Roadster sDrive20i
51.2
Blueprint Mercedes SLK 250 CDI (12 - 15)
71.3
79
50.8
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
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
Blueprint Mercedes SLK 250 CDI (12 - 15)
95.7
162.8
Blueprint BMW Z4 Roadster sDrive20i Automatic (13 - 16)
98.3
166.9
162.8 in
Length
166.9 in
95.7 in
Wheelbase
98.3 in

Vehicle Weight

Mercedes SLK 250 CDI
BMW Z4 Roadster sDrive20i
3461 lb
Curb Weight
3296 lb
4156 lb
Gross Vehicle
Weight
3858 lb
Mercedes SLK 250 CDI (12 - 15)
Weight Difference:
165 lb
4.77 %
BMW Z4 Roadster sDrive20i Automatic (13 - 16)

General

Mercedes SLK 250 CDI
BMW Z4 Roadster sDrive20i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Diesel
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Mercedes SLK 250 CDI
BMW Z4 Roadster sDrive20i
Straight-four diesel engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
Mercedes-Benz OM 651
Engine Series
BMW N20
OM 651.980
Engine Code
N20-B20
4
Valves
4
4
Cylinders
4
2.1 L / 103 cu in
Displacement
2 L / 98 cu in
201 hp
at 4200 rpm
Power
181 hp
at 5000 rpm
Mercedes SLK 250 CDI
201 hp
181 hp
BMW Z4 Roadster sDrive20i
369 lb‑ft
at 1600 rpm
Max. Torque
199 lb‑ft
at 1250 rpm
Mercedes SLK 250 CDI
369 lb‑ft
199 lb‑ft
BMW Z4 Roadster sDrive20i

Performance

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

295 ft
0.000 sec

Mercedes SLK 250 CDI

62 mph 62
mph

328 ft
0.000 sec

BMW Z4 Roadster sDrive20i

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

Fuel Economy / Emissions

Mercedes SLK 250 CDI
BMW Z4 Roadster sDrive20i
Fuel Economy
49 mpg
combined
35 mpg
Mercedes SLK 250 CDI
49 mpg
35 mpg
BMW Z4 Roadster sDrive20i
38 mpg
city
25 mpg
59 mpg
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
777 mi
Range
503 mi
Mercedes SLK 250 CDI
777 mi
503 mi
BMW Z4 Roadster sDrive20i
Environmental Impact
98.8 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).
128.7 kWh
Mercedes SLK 250 CDI
98.8 kWh
128.7 kWh
BMW Z4 Roadster sDrive20i
Euro 5
Emission Standard
Euro 6b (NEFZ)
200 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)

Practical Convenience

Mercedes SLK 250 CDI
BMW Z4 Roadster sDrive20i
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