The Comparative Analysis :

BMW Z4 Roadster M40i Steptronic Sport (19 - ..) vs. Mercedes SLC 300 9G-TRONIC (16 - 20)

€ 61,000
BMW Z4 Roadster M40i Steptronic Sport (19 - ..) BMW Z4 Roadster M40i
€ 46,800
 Mercedes SLC 300 9G-TRONIC (16 - 20) Mercedes SLC 300
€ 61,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 46,800

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW Z4 Roadster M40i is considerably bigger in every dimension. It's 7.5 inches longer, 2.1 inches wider and 0.1 inches taller than the Mercedes SLC 300.
BMW Z4 Roadster M40i
Mercedes SLC 300
51.3
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
73.4
79.7
51.2
Blueprint Mercedes SLC 300 9G-TRONIC (16 - 20)
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
Blueprint BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
97.2
170.2
Blueprint Mercedes SLC 300 9G-TRONIC (16 - 20)
95.7
162.7
170.2 in
Length
162.7 in
97.2 in
Wheelbase
95.7 in

Vehicle Weight

BMW Z4 Roadster M40i
Mercedes SLC 300
3549 lb
Curb Weight
3318 lb
4101 lb
Gross Vehicle
Weight
4012 lb
BMW Z4 Roadster M40i Steptronic Sport (19 - ..)
Weight Difference:
231 lb
6.51 %
Mercedes SLC 300 9G-TRONIC (16 - 20)

General

BMW Z4 Roadster M40i
Mercedes SLC 300
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 M40i
Mercedes SLC 300
Straight-six gasoline engine with two tur­bo­chargers (bi­turbo)
Engine Type
Straight-four gasoline engine with tur­bo­charger
BMW B58
Engine Series
Mercedes-Benz M 274
B58-B30
Engine Code
M 274.920
4
Valves
4
6
Cylinders
4
3 L / 147 cu in
Displacement
2 L / 98 cu in
335 hp
at 5000 rpm
Power
242 hp
at 5500 rpm
BMW Z4 Roadster M40i
335 hp
242 hp
Mercedes SLC 300
369 lb‑ft
at 1600 rpm
Max. Torque
273 lb‑ft
at 1300 rpm
BMW Z4 Roadster M40i
369 lb‑ft
273 lb‑ft
Mercedes SLC 300

Performance

BMW Z4 Roadster M40i
Mercedes SLC 300
155 mph
Maximum Speed
155 mph
4.5 sec
Acceleration 0 to 62 mph
5.8 sec
62 mph 62
mph

207 ft
0.000 sec

BMW Z4 Roadster M40i

62 mph 62
mph

266 ft
0.000 sec

Mercedes SLC 300

▶ REPLAY
10.59 lb/hp
Weight-to-Power Ratio
13.71 lb/hp
BMW Z4 Roadster M40i
10.59 lb/hp
13.71 lb/hp
Mercedes SLC 300

Fuel Economy / Emissions

BMW Z4 Roadster M40i
Mercedes SLC 300
Fuel Economy
33 mpg
combined
41 mpg
BMW Z4 Roadster M40i
33 mpg
41 mpg
Mercedes SLC 300
26 mpg
city
31 mpg
No data
highway
50 mpg
Kraftstoffanzeige
13.7 gal
Fuel Tank Capacity
15.9 gal
Kraftstoffanzeige
455 mi
Range
642 mi
BMW Z4 Roadster M40i
455 mi
642 mi
Mercedes SLC 300
Environmental Impact
134.5 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).
109.9 kWh
BMW Z4 Roadster M40i
134.5 kWh
109.9 kWh
Mercedes SLC 300
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6
307 g/mi (WLTP)
CO2 Emissions
216 g/mi (NEFZ)

Practical Convenience

BMW Z4 Roadster M40i
Mercedes SLC 300
2
Doors
2
2
No. of Seats
2
551 lb
Maximum Payload
694 lb
8 cu ft
Trunk Volume
9.5 cu ft
No data
Cargo Volume (Seats Down)
No data