The Comparative Analysis :

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

€ 195,200
Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13) Mercedes SLS AMG Roadster
€ 155,000
 BMW i8 Roadster (18 - ..) BMW i8 Roadster
€ 195,200
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 Mercedes SLS AMG Roadster is a little smaller in every dimension. It's 2 inches shorter, 0.1 inches narrower and 1.1 inches lower than the BMW i8 Roadster.
Mercedes SLS AMG Roadster
BMW i8 Roadster
49.6
Blueprint Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13)
76.3
90.4
50.7
Blueprint BMW i8 Roadster (18 - ..)
76.5
87.3
76.3 in
Width
76.5 in
90.4 in
Width Incl. Mirrors
87.3 in
49.6 in
Height
50.7 in
Blueprint Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13)
105.5
182.6
Blueprint BMW i8 Roadster (18 - ..)
110.2
184.6
182.6 in
Length
184.6 in
105.5 in
Wheelbase
110.2 in

Vehicle Weight

Mercedes SLS AMG Roadster
BMW i8 Roadster
3825 lb
Curb Weight
3682 lb
4321 lb
Gross Vehicle
Weight
4332 lb
Mercedes SLS AMG Roadster SPEEDSHIFT DCT (11 - 13)
Weight Difference:
143 lb
3.74 %
BMW i8 Roadster (18 - ..)

General

Mercedes SLS AMG Roadster
BMW i8 Roadster
R197
Generation
I15
Roadster
Car Body Style
Roadster
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
On-demand four-wheel drive (4WD) with automatic engagement
7-speed dual clutch transmission
Transmission
6-speed automatic transmission

Engine

Mercedes SLS AMG Roadster
BMW i8 Roadster
V8 gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
Engine Type
3-cylinder plug-in hybrid gasoline engine with tur­bo­charger
Mercedes-Benz M 159
Engine Series
BMW B38
M 159.980
Engine Code
B38-K15
4
Valves
4
8
Cylinders
3
6.2 L / 303 cu in
Displacement
1.5 L / 73 cu in
563 hp
at 6800 rpm
Power
369 hp
at 5800 rpm
Mercedes SLS AMG Roadster
563 hp
369 hp
BMW i8 Roadster
479 lb‑ft
at 4750 rpm
Max. Torque
420 lb‑ft
at 3700 rpm
Mercedes SLS AMG Roadster
479 lb‑ft
420 lb‑ft
BMW i8 Roadster

Performance

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

174 ft
0.000 sec

Mercedes SLS AMG Roadster

62 mph 62
mph

210 ft
0.000 sec

BMW i8 Roadster

▶ REPLAY
6.79 lb/hp
Weight-to-Power Ratio
9.98 lb/hp
Mercedes SLS AMG Roadster
6.79 lb/hp
9.98 lb/hp
BMW i8 Roadster

Fuel Economy / Emissions

Mercedes SLS AMG Roadster
BMW i8 Roadster
Fuel Economy
18 mpg
combined
118 mpg
Mercedes SLS AMG Roadster
18 mpg
118 mpg
BMW i8 Roadster
12 mpg
city
No data
25 mpg
highway
No data
Kraftstoffanzeige
22.5 gal
Fuel Tank Capacity
7.9 gal
Kraftstoffanzeige
400 mi
Range
932 mi
Mercedes SLS AMG Roadster
400 mi
932 mi
BMW i8 Roadster
Environmental Impact
250.1 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 SLS AMG Roadster
250.1 kWh
37.8 kWh
BMW i8 Roadster
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
496 g/mi (NEFZ)
CO2 Emissions
80 g/mi (WLTP)

Practical Convenience

Mercedes SLS AMG Roadster
BMW i8 Roadster
2
Doors
3
2
No. of Seats
2
496 lb
Maximum Payload
650 lb
5 cu ft
Trunk Volume
2.5 cu ft
No data
Cargo Volume (Seats Down)
No data