The Comparative Analysis :

Mercedes SL 400 7G-TRONIC PLUS (14 - 16) vs. BMW i8 Roadster (18 - ..)

€ 97,800
Mercedes SL 400 7G-TRONIC PLUS (14 - 16) Mercedes SL 400
€ 155,000
 BMW i8 Roadster (18 - ..) BMW i8 Roadster
€ 97,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 155,000

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

Vehicle Dimensions

The dimensions of these vehicles differ slightly. The Mercedes SL 400 is 7.2 cm shorter, 6.5 cm narrower and 2.6 cm taller than the BMW i8 Roadster.
Mercedes SL 400
BMW i8 Roadster
1315
Blueprint Mercedes SL 400 7G-TRONIC PLUS (14 - 16)
1877
2099
1289
Blueprint BMW i8 Roadster (18 - ..)
1942
2218
1877 mm
Width
1942 mm
2099 mm
Width Incl. Mirrors
2218 mm
1315 mm
Height
1289 mm
Blueprint Mercedes SL 400 7G-TRONIC PLUS (14 - 16)
2585
4617
Blueprint BMW i8 Roadster (18 - ..)
2800
4689
4617 mm
Length
4689 mm
2585 mm
Wheelbase
2800 mm

Vehicle Weight

Mercedes SL 400
BMW i8 Roadster
1730 kg
Kerb Weight
1670 kg
2110 kg
Gross Vehicle
Weight
1965 kg
Mercedes SL 400 7G-TRONIC PLUS (14 - 16)
Weight Difference:
60 kg
3.47 %
BMW i8 Roadster (18 - ..)

General

Mercedes SL 400
BMW i8 Roadster
R231
Generation
I15
Roadster
Car Body Style
Roadster
Unleaded (95 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
On-demand four-wheel drive with automatic engagement
7-speed automatic transmission
Transmission
6-speed automatic transmission

Engine

Mercedes SL 400
BMW i8 Roadster
V6 petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
3-cylinder plug-in hybrid petrol engine with tur­bo­charger
Mercedes-Benz M 276
Engine Series
BMW B38
M 276.825
Engine Code
B38-K15
4
Valves
4
6
Cylinders
3
2996 CC
Engine Capacity
1499 CC
328 bhp
at 5250 rpm
Power
369 bhp
at 5800 rpm
Mercedes SL 400
328 bhp
369 bhp
BMW i8 Roadster
480 NM
at 1600 rpm
Max. Torque
570 NM
at 3700 rpm
Mercedes SL 400
480 NM
570 NM
BMW i8 Roadster

Performance

Mercedes SL 400
BMW i8 Roadster
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

72 m
0.000 sec

Mercedes SL 400

62 mph 62
mph

64 m
0.000 sec

BMW i8 Roadster

▶ REPLAY
5.27 kg/bhp
Weight-to-Power Ratio
4.53 kg/bhp
Mercedes SL 400
5.27 kg/bhp
4.53 kg/bhp
BMW i8 Roadster

Fuel Economy / Emissions

Mercedes SL 400
BMW i8 Roadster
Fuel Economy
39 mpg
combined
141 mpg
Mercedes SL 400
39 mpg
141 mpg
BMW i8 Roadster
29 mpg
city
No data
48 mpg
motorway
No data
Kraftstoffanzeige
65 L
Fuel Tank Capacity
30 L
Kraftstoffanzeige
553 mi
Range
932 mi
Mercedes SL 400
553 mi
932 mi
BMW i8 Roadster
Environmental Impact
138.2 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).
37.8 kWh
Mercedes SL 400
138.2 kWh
37.8 kWh
BMW i8 Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
183 g/km (NEFZ)
CO2 Emissions
50 g/km (WLTP)

Practical Convenience

Mercedes SL 400
BMW i8 Roadster
2
Doors
3
2
No. of Seats
2
380 kg
Maximum Payload
295 kg
504 L
Boot Capacity
88 L
No data
Boot Capacity (Seats Down)
No data