The Comparative Analysis :
Mercedes SLC 300 9G-TRONIC (16 - 20) vs. BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11)
€ 46,800

€ 38,800

€ 46,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 38,800
ⓘ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 SLC 300 is 4.2 inches shorter, 0.8 inches wider and 0.4 inches taller than the BMW Z4 Roadster sDrive23i.
Mercedes SLC 300
BMW Z4 Roadster sDrive23i
51.2
71.3
79
50.8
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
95.7
162.7
98.3
166.9
162.7 in
Length
166.9 in
95.7 in
Wheelbase
98.3 in
Vehicle Weight
Mercedes SLC 300
BMW Z4 Roadster sDrive23i
3318 lb
Curb Weight
3318 lb
4012 lb
Gross Vehicle
Weight
Weight
3880 lb

Weight Difference:
0 lb
0 %

General
Mercedes SLC 300
BMW Z4 Roadster sDrive23i
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
6-speed automatic transmission
Engine
Mercedes SLC 300
BMW Z4 Roadster sDrive23i
Straight-four gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine (naturally aspirated engine)
Mercedes-Benz M 274
Engine Series
BMW N52
M 274.920
Engine Code
N52-B25


4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
2.5 L / 122 cu in
242 hp
at 5500 rpm
Power
201 hp
at 6300 rpm
Mercedes SLC 300
242 hp
201 hp
BMW Z4 Roadster sDrive23i
273 lb‑ft
at 1300 rpm
Max. Torque
184 lb‑ft
at 2750 rpm
Mercedes SLC 300
273 lb‑ft
184 lb‑ft
BMW Z4 Roadster sDrive23i
Performance
Mercedes SLC 300
BMW Z4 Roadster sDrive23i
155 mph
Maximum Speed
149 mph
5.8 sec
Acceleration 0 to 62 mph
7.3 sec
62 mph
62
mph
mph
266 ft
0.000 sec

Mercedes SLC 300
62 mph
62
mph
mph
331 ft
0.000 sec

BMW Z4 Roadster sDrive23i
▶ REPLAY
13.71 lb/hp
Weight-to-Power Ratio
16.51 lb/hp
Mercedes SLC 300
13.71 lb/hp
16.51 lb/hp
BMW Z4 Roadster sDrive23i
Fuel Economy / Emissions
Mercedes SLC 300
BMW Z4 Roadster sDrive23i
Fuel Economy
41 mpg
combined
29 mpg
Mercedes SLC 300
41 mpg
29 mpg
BMW Z4 Roadster sDrive23i
31 mpg
city
20 mpg
50 mpg
highway
No data
15.9 gal
Fuel Tank Capacity
14.5 gal
642 mi
Range
417 mi
Mercedes SLC 300
642 mi
417 mi
BMW Z4 Roadster sDrive23i
Environmental Impact
109.9 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).
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).
155.3 kWh
Mercedes SLC 300
109.9 kWh
155.3 kWh
BMW Z4 Roadster sDrive23i
Euro 6
Emission Standard
Euro 5
216 g/mi (NEFZ)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
Mercedes SLC 300
BMW Z4 Roadster sDrive23i
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