The Comparative Analysis :
BMW Z4 Roadster sDrive20i Steptronic Sport (19 - ..) vs. Mercedes SLC 43 AMG 9G-TRONIC (18 - 20)
€ 43,300
€ 61,100
€ 43,300
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 BMW Z4 Roadster sDrive20i is considerably bigger in every dimension. It's 7 inches longer, 2.1 inches wider and 0.1 inches taller than the Mercedes SLC 43 AMG.
BMW Z4 Roadster sDrive20i
Mercedes SLC 43 AMG
51.3
73.4
79.7
51.2
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
97.2
170.2
95.7
163.2
170.2 in
Length
163.2 in
97.2 in
Wheelbase
95.7 in
Vehicle Weight
BMW Z4 Roadster sDrive20i
Mercedes SLC 43 AMG
3296 lb
Curb Weight
3516 lb
3836 lb
Gross Vehicle
Weight
Weight
4167 lb
Weight Difference:
220 lb
6.26 %
General
BMW Z4 Roadster sDrive20i
Mercedes SLC 43 AMG
G29
Generation
R172
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded

Rear-wheel drive
Drivetrain
Rear-wheel drive

8-speed automatic transmission
Transmission
9-speed automatic transmission
Engine
BMW Z4 Roadster sDrive20i
Mercedes SLC 43 AMG
Straight-four gasoline engine with turbocharger
Engine Type
V6 gasoline engine with two turbochargers (biturbo)
BMW B48
Engine Series
Mercedes-Benz M 276
B48-B20
Engine Code
M 276.822


4
Valves
4
4
Cylinders
6
2 L / 98 cu in
Displacement
3 L / 147 cu in
194 hp
at 4500 rpm
Power
385 hp
at 5500 rpm
BMW Z4 Roadster sDrive20i
194 hp
385 hp
Mercedes SLC 43 AMG
236 lb‑ft
at 1450 rpm
Max. Torque
384 lb‑ft
at 2500 rpm
BMW Z4 Roadster sDrive20i
236 lb‑ft
384 lb‑ft
Mercedes SLC 43 AMG
Performance
BMW Z4 Roadster sDrive20i
Mercedes SLC 43 AMG
149 mph
Maximum Speed
155 mph
6.6 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
302 ft
0.000 sec
BMW Z4 Roadster sDrive20i
62 mph
62
mph
mph
213 ft
0.000 sec
Mercedes SLC 43 AMG
▶ REPLAY
16.99 lb/hp
Weight-to-Power Ratio
9.13 lb/hp
BMW Z4 Roadster sDrive20i
16.99 lb/hp
9.13 lb/hp
Mercedes SLC 43 AMG
Fuel Economy / Emissions
BMW Z4 Roadster sDrive20i
Mercedes SLC 43 AMG
Fuel Economy
39 mpg
combined
29 mpg
BMW Z4 Roadster sDrive20i
39 mpg
29 mpg
Mercedes SLC 43 AMG
32 mpg
city
20 mpg
No data
highway
37 mpg
13.7 gal
Fuel Tank Capacity
15.9 gal
529 mi
Range
460 mi
BMW Z4 Roadster sDrive20i
529 mi
460 mi
Mercedes SLC 43 AMG
Environmental Impact
115.6 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 sDrive20i
115.6 kWh
153.5 kWh
Mercedes SLC 43 AMG
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6
269 g/mi (WLTP)
CO2 Emissions
317 g/mi (WLTP)
Practical Convenience
BMW Z4 Roadster sDrive20i
Mercedes SLC 43 AMG
2
Doors
2
2
No. of Seats
2
540 lb
Maximum Payload
650 lb
8 cu ft
Trunk Volume
9.5 cu ft








No data
Cargo Volume (Seats Down)
No data




















