The Comparative Analysis :

BMW i8 Roadster (18 - ..) vs. Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11)

€ 155,000
BMW i8 Roadster (18 - ..) BMW i8 Roadster
€ 87,500
 Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11) Mercedes SL 350 Sportmotor
€ 155,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 87,500

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

Vehicle Dimensions

The dimensions of these vehicles differ considerably. The BMW i8 Roadster is 12.3 cm longer, 12.2 cm wider and 2.8 cm lower than the Mercedes SL 350 Sportmotor.
BMW i8 Roadster
Mercedes SL 350 Sportmotor
1289
Blueprint BMW i8 Roadster (18 - ..)
1942
2218
1317
Blueprint Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11)
1820
2075
1942 mm
Width
1820 mm
2218 mm
Width Incl. Mirrors
2075 mm
1289 mm
Height
1317 mm
Blueprint BMW i8 Roadster (18 - ..)
2800
4689
Blueprint Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11)
2560
4566
4689 mm
Length
4566 mm
2800 mm
Wheelbase
2560 mm

Vehicle Weight

BMW i8 Roadster
Mercedes SL 350 Sportmotor
1670 kg
Kerb Weight
1825 kg
1965 kg
Gross Vehicle
Weight
2120 kg
BMW i8 Roadster (18 - ..)
Weight Difference:
155 kg
8.49 %
Mercedes SL 350 Sportmotor 7G-TRONIC (08 - 11)

General

BMW i8 Roadster
Mercedes SL 350 Sportmotor
I15
Generation
R230
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Unleaded (95 RON)
On-demand four-wheel drive with automatic engagement
Drive
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed automatic transmission

Engine

BMW i8 Roadster
Mercedes SL 350 Sportmotor
3-cylinder plug-in hybrid petrol engine with tur­bo­charger
Engine Type
V6 petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B38
Engine Series
Mercedes-Benz M 272
B38-K15
Engine Code
M 272.968
4
Valves
4
3
Cylinders
6
1499 CC
Engine Capacity
3498 CC
369 bhp
at 5800 rpm
Power
312 bhp
at 6500 rpm
BMW i8 Roadster
369 bhp
312 bhp
Mercedes SL 350 Sportmotor
570 NM
at 3700 rpm
Max. Torque
360 NM
at 4900 rpm
BMW i8 Roadster
570 NM
360 NM
Mercedes SL 350 Sportmotor

Performance

BMW i8 Roadster
Mercedes SL 350 Sportmotor
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
6.2 sec
62 mph 62
mph

64 m
0.000 sec

BMW i8 Roadster

62 mph 62
mph

86 m
0.000 sec

Mercedes SL 350 Sportmotor

▶ REPLAY
4.53 kg/bhp
Weight-to-Power Ratio
5.85 kg/bhp
BMW i8 Roadster
4.53 kg/bhp
5.85 kg/bhp
Mercedes SL 350 Sportmotor

Fuel Economy / Emissions

BMW i8 Roadster
Mercedes SL 350 Sportmotor
Fuel Economy
141 mpg
combined
29 mpg
BMW i8 Roadster
141 mpg
29 mpg
Mercedes SL 350 Sportmotor
No data
city
20 mpg
No data
motorway
38 mpg
Kraftstoffanzeige
30 L
Fuel Tank Capacity
80 L
Kraftstoffanzeige
932 mi
Range
502 mi
BMW i8 Roadster
932 mi
502 mi
Mercedes SL 350 Sportmotor
Environmental Impact
37.8 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).
187.5 kWh
BMW i8 Roadster
37.8 kWh
187.5 kWh
Mercedes SL 350 Sportmotor
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4 / Euro 5
50 g/km (WLTP)
CO2 Emissions
236 g/km (NEFZ)

Practical Convenience

BMW i8 Roadster
Mercedes SL 350 Sportmotor
3
Doors
2
2
No. of Seats
2
295 kg
Maximum Payload
295 kg
88 L
Boot Capacity
339 L
No data
Boot Capacity (Seats Down)
No data