The Comparative Analysis :

Mercedes SLK 300 9G-TRONIC (15 - 16) vs. BMW Z4 Roadster sDrive18i Automatic (13 - 16)

€ 46,100
Mercedes SLK 300 9G-TRONIC (15 - 16) Mercedes SLK 300
€ 36,600
 BMW Z4 Roadster sDrive18i Automatic (13 - 16) BMW Z4 Roadster sDrive18i
€ 46,100
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 36,600

ⓘ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 300 is 4.1 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive18i.
Mercedes SLK 300
BMW Z4 Roadster sDrive18i
51.2
Blueprint Mercedes SLK 300 9G-TRONIC (15 - 16)
71.3
79
50.8
Blueprint BMW Z4 Roadster sDrive18i 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 300 9G-TRONIC (15 - 16)
95.7
162.8
Blueprint BMW Z4 Roadster sDrive18i 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 300
BMW Z4 Roadster sDrive18i
3318 lb
Curb Weight
3296 lb
4012 lb
Gross Vehicle
Weight
3858 lb
Mercedes SLK 300 9G-TRONIC (15 - 16)
Weight Difference:
22 lb
0.66 %
BMW Z4 Roadster sDrive18i Automatic (13 - 16)

General

Mercedes SLK 300
BMW Z4 Roadster sDrive18i
R172
Generation
E89
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
9-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

Mercedes SLK 300
BMW Z4 Roadster sDrive18i
Straight-four gasoline engine with tur­bo­charger
Engine Type
Straight-four gasoline engine with tur­bo­charger
Mercedes-Benz M 274
Engine Series
BMW N20
M 274.920
Engine Code
N20-B20
4
Valves
4
4
Cylinders
4
2 L / 98 cu in
Displacement
2 L / 98 cu in
242 hp
at 5500 rpm
Power
154 hp
at 5000 rpm
Mercedes SLK 300
242 hp
154 hp
BMW Z4 Roadster sDrive18i
273 lb‑ft
at 1300 rpm
Max. Torque
177 lb‑ft
at 1250 rpm
Mercedes SLK 300
273 lb‑ft
177 lb‑ft
BMW Z4 Roadster sDrive18i

Performance

Mercedes SLK 300
BMW Z4 Roadster sDrive18i
151 mph
Maximum Speed
137 mph
6.6 sec
Acceleration 0 to 62 mph
8.1 sec
62 mph 62
mph

302 ft
0.000 sec

Mercedes SLK 300

62 mph 62
mph

371 ft
0.000 sec

BMW Z4 Roadster sDrive18i

▶ REPLAY
13.71 lb/hp
Weight-to-Power Ratio
21.4 lb/hp
Mercedes SLK 300
13.71 lb/hp
21.4 lb/hp
BMW Z4 Roadster sDrive18i

Fuel Economy / Emissions

Mercedes SLK 300
BMW Z4 Roadster sDrive18i
Fuel Economy
38 mpg
combined
35 mpg
Mercedes SLK 300
38 mpg
35 mpg
BMW Z4 Roadster sDrive18i
30 mpg
city
25 mpg
45 mpg
highway
No data
Kraftstoffanzeige
15.9 gal
Fuel Tank Capacity
14.5 gal
Kraftstoffanzeige
601 mi
Range
503 mi
Mercedes SLK 300
601 mi
503 mi
BMW Z4 Roadster sDrive18i
Environmental Impact
117.5 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 300
117.5 kWh
128.7 kWh
BMW Z4 Roadster sDrive18i
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
232 g/mi (NEFZ)
CO2 Emissions
256 g/mi (NEFZ)

Practical Convenience

Mercedes SLK 300
BMW Z4 Roadster sDrive18i
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