The Comparative Analysis :
BMW i8 Roadster (18 - ..) vs. Mercedes SL 280 7G-TRONIC (08 - 09)
€ 155,000

€ 80,900

€ 155,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 80,900
ⓘ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 280.
BMW i8 Roadster
Mercedes SL 280
1289
1942
2218
1317
1820
2075
1942 mm
Width
1820 mm
2218 mm
Width Incl. Mirrors
2075 mm
1289 mm
Height
1317 mm
2800
4689
2560
4566
4689 mm
Length
4566 mm
2800 mm
Wheelbase
2560 mm
Vehicle Weight
BMW i8 Roadster
Mercedes SL 280
1670 kg
Kerb Weight
1815 kg
1965 kg
Gross Vehicle
Weight
Weight
2110 kg

Weight Difference:
145 kg
7.99 %

General
BMW i8 Roadster
Mercedes SL 280
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 280
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 272.949

4
Valves
4
3
Cylinders
6
1499 CC
Engine Capacity
2996 CC
369 bhp
at 5800 rpm
Power
228 bhp
at 6000 rpm
BMW i8 Roadster
369 bhp
228 bhp
Mercedes SL 280
570 NM
at 3700 rpm
Max. Torque
300 NM
at 2500 rpm
BMW i8 Roadster
570 NM
300 NM
Mercedes SL 280
Performance
BMW i8 Roadster
Mercedes SL 280
155 mph
Maximum Speed
155 mph
4.6 sec
Acceleration 0 to 62 mph
7.8 sec
62 mph
62
mph
mph
64 m
0.000 sec

BMW i8 Roadster
62 mph
62
mph
mph
108 m
0.000 sec

Mercedes SL 280
▶ REPLAY
4.53 kg/bhp
Weight-to-Power Ratio
7.96 kg/bhp
BMW i8 Roadster
4.53 kg/bhp
7.96 kg/bhp
Mercedes SL 280
Fuel Economy / Emissions
BMW i8 Roadster
Mercedes SL 280
Fuel Economy
141 mpg
combined
30 mpg
BMW i8 Roadster
141 mpg
30 mpg
Mercedes SL 280
No data
city
21 mpg
No data
motorway
40 mpg
30 L
Fuel Tank Capacity
80 L
932 mi
Range
529 mi
BMW i8 Roadster
932 mi
529 mi
Mercedes SL 280
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).
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).
178.2 kWh
BMW i8 Roadster
37.8 kWh
178.2 kWh
Mercedes SL 280
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 4
50 g/km (WLTP)
CO2 Emissions
224 g/km (NEFZ)
Practical Convenience
BMW i8 Roadster
Mercedes SL 280
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