The Comparative Analysis :
BMW Z4 Roadster sDrive23i Sport-Automatic (09 - 11) vs. Mercedes SLC 43 AMG 9G-TRONIC (18 - 20)
€ 38,800

€ 61,100

€ 38,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 61,100
ⓘ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 sDrive23i is 3.7 inches longer, 0.8 inches narrower and 0.4 inches lower than the Mercedes SLC 43 AMG.
BMW Z4 Roadster sDrive23i
Mercedes SLC 43 AMG
50.8
70.5
76.8
51.2
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
98.3
166.9
95.7
163.2
166.9 in
Length
163.2 in
98.3 in
Wheelbase
95.7 in
Vehicle Weight
BMW Z4 Roadster sDrive23i
Mercedes SLC 43 AMG
3318 lb
Curb Weight
3516 lb
3880 lb
Gross Vehicle
Weight
Weight
4167 lb

Weight Difference:
198 lb
5.63 %

General
BMW Z4 Roadster sDrive23i
Mercedes SLC 43 AMG
E89
Generation
R172
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
BMW Z4 Roadster sDrive23i
Mercedes SLC 43 AMG
Straight-six gasoline engine (naturally aspirated engine)
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
BMW N52
Engine Series
Mercedes-Benz M 276
N52-B25
Engine Code
M 276.822


4
Valves
4
6
Cylinders
6
2.5 L / 122 cu in
Displacement
3 L / 147 cu in
201 hp
at 6300 rpm
Power
385 hp
at 5500 rpm
BMW Z4 Roadster sDrive23i
201 hp
385 hp
Mercedes SLC 43 AMG
184 lb‑ft
at 2750 rpm
Max. Torque
384 lb‑ft
at 2500 rpm
BMW Z4 Roadster sDrive23i
184 lb‑ft
384 lb‑ft
Mercedes SLC 43 AMG
Performance
BMW Z4 Roadster sDrive23i
Mercedes SLC 43 AMG
149 mph
Maximum Speed
155 mph
7.3 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
331 ft
0.000 sec

BMW Z4 Roadster sDrive23i
62 mph
62
mph
mph
213 ft
0.000 sec

Mercedes SLC 43 AMG
▶ REPLAY
16.51 lb/hp
Weight-to-Power Ratio
9.13 lb/hp
BMW Z4 Roadster sDrive23i
16.51 lb/hp
9.13 lb/hp
Mercedes SLC 43 AMG
Fuel Economy / Emissions
BMW Z4 Roadster sDrive23i
Mercedes SLC 43 AMG
Fuel Economy
29 mpg
combined
29 mpg
BMW Z4 Roadster sDrive23i
29 mpg
29 mpg
Mercedes SLC 43 AMG
20 mpg
city
20 mpg
No data
highway
37 mpg
14.5 gal
Fuel Tank Capacity
15.9 gal
417 mi
Range
460 mi
BMW Z4 Roadster sDrive23i
417 mi
460 mi
Mercedes SLC 43 AMG
Environmental Impact
155.3 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).
153.5 kWh
BMW Z4 Roadster sDrive23i
155.3 kWh
153.5 kWh
Mercedes SLC 43 AMG
Euro 5
Emission Standard
Euro 6
309 g/mi (NEFZ)
CO2 Emissions
317 g/mi (WLTP)
Practical Convenience
BMW Z4 Roadster sDrive23i
Mercedes SLC 43 AMG
2
Doors
2
2
No. of Seats
2
562 lb
Maximum Payload
650 lb
8.8 cu ft
Trunk Volume
9.5 cu ft








No data
Cargo Volume (Seats Down)
No data