The Comparative Analysis :

BMW i8 Roadster (18 - ..) vs. Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13)

€ 155,000
BMW i8 Roadster (18 - ..) BMW i8 Roadster
€ 195,200
 Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13) Mercedes SLS AMG Roadster
€ 155,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 195,200

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

Vehicle Dimensions

The BMW i8 Roadster is a little bigger in every dimension. It's 5.1 cm longer, 0.3 cm wider and 2.8 cm taller than the Mercedes SLS AMG Roadster.
BMW i8 Roadster
Mercedes SLS AMG Roadster
1289
Blueprint BMW i8 Roadster (18 - ..)
1942
2218
1261
Blueprint Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13)
1939
2297
1942 mm
Width
1939 mm
2218 mm
Width Incl. Mirrors
2297 mm
1289 mm
Height
1261 mm
Blueprint BMW i8 Roadster (18 - ..)
2800
4689
Blueprint Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13)
2680
4638
4689 mm
Length
4638 mm
2800 mm
Wheelbase
2680 mm

Vehicle Weight

BMW i8 Roadster
Mercedes SLS AMG Roadster
1670 kg
Kerb Weight
1735 kg
1965 kg
Gross Vehicle
Weight
1960 kg
BMW i8 Roadster (18 - ..)
Weight Difference:
65 kg
3.75 %
Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13)

General

BMW i8 Roadster
Mercedes SLS AMG Roadster
I15
Generation
R197
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
On-demand four-wheel drive with automatic engagement
Drive
Rear-wheel drive
6-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW i8 Roadster
Mercedes SLS AMG Roadster
3-cylinder plug-in hybrid petrol engine with tur­bo­charger
Engine Type
V8 petrol engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW B38
Engine Series
Mercedes-Benz M 159
B38-K15
Engine Code
M 159.980
4
Valves
4
3
Cylinders
8
1499 CC
Engine Capacity
6208 CC
369 bhp
at 5800 rpm
Power
563 bhp
at 6800 rpm
BMW i8 Roadster
369 bhp
563 bhp
Mercedes SLS AMG Roadster
570 NM
at 3700 rpm
Max. Torque
650 NM
at 4750 rpm
BMW i8 Roadster
570 NM
650 NM
Mercedes SLS AMG Roadster

Performance

BMW i8 Roadster
Mercedes SLS AMG Roadster
155 mph
Maximum Speed
197 mph
4.6 sec
Acceleration 0 to 62 mph
3.8 sec
62 mph 62
mph

64 m
0.000 sec

BMW i8 Roadster

62 mph 62
mph

53 m
0.000 sec

Mercedes SLS AMG Roadster

▶ REPLAY
4.53 kg/bhp
Weight-to-Power Ratio
3.08 kg/bhp
BMW i8 Roadster
4.53 kg/bhp
3.08 kg/bhp
Mercedes SLS AMG Roadster

Fuel Economy / Emissions

BMW i8 Roadster
Mercedes SLS AMG Roadster
Fuel Economy
141 mpg
combined
21 mpg
BMW i8 Roadster
141 mpg
21 mpg
Mercedes SLS AMG Roadster
No data
city
14 mpg
No data
motorway
30 mpg
Kraftstoffanzeige
30 L
Fuel Tank Capacity
85 L
Kraftstoffanzeige
932 mi
Range
400 mi
BMW i8 Roadster
932 mi
400 mi
Mercedes SLS AMG Roadster
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).
250.1 kWh
BMW i8 Roadster
37.8 kWh
250.1 kWh
Mercedes SLS AMG Roadster
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 5
50 g/km (WLTP)
CO2 Emissions
308 g/km (NEFZ)

Practical Convenience

BMW i8 Roadster
Mercedes SLS AMG Roadster
3
Doors
2
2
No. of Seats
2
295 kg
Maximum Payload
225 kg
88 L
Boot Capacity
176 L
No data
Boot Capacity (Seats Down)
No data