The Comparative Analysis :
Mercedes SL 63 AMG SPEEDSHIFT MCT (16 - 18) vs. BMW i8 Roadster (18 - ..)
€ 162,000
€ 155,000
€ 162,000
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 63 AMG is 2.2 inches shorter, 2.6 inches narrower and 0.4 inches taller than the BMW i8 Roadster.
Mercedes SL 63 AMG
BMW i8 Roadster
51.2
73.9
82.6
50.7
76.5
87.3
73.9 in
Width
76.5 in
82.6 in
Width Incl. Mirrors
87.3 in
51.2 in
Height
50.7 in
101.8
182.4
110.2
184.6
182.4 in
Length
184.6 in
101.8 in
Wheelbase
110.2 in
Vehicle Weight
Mercedes SL 63 AMG
BMW i8 Roadster
4068 lb
Curb Weight
3682 lb
4806 lb
Gross Vehicle
Weight
Weight
4332 lb
Weight Difference:
386 lb
9.49 %
General
Mercedes SL 63 AMG
BMW i8 Roadster
R231
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 automatic transmission
Transmission
6-speed automatic transmission
Engine
Mercedes SL 63 AMG
BMW i8 Roadster
V8 gasoline engine with turbocharger
Engine Type
3-cylinder plug-in hybrid gasoline engine with turbocharger
Mercedes-Benz M 157
Engine Series
BMW B38
M 157.983
Engine Code
B38-K15
4
Valves
4
8
Cylinders
3
5.5 L / 269 cu in
Displacement
1.5 L / 73 cu in
577 hp
at 5500 rpm
Power
369 hp
at 5800 rpm
Mercedes SL 63 AMG
577 hp
369 hp
BMW i8 Roadster
664 lb‑ft
at 2250 rpm
Max. Torque
420 lb‑ft
at 3700 rpm
Mercedes SL 63 AMG
664 lb‑ft
420 lb‑ft
BMW i8 Roadster
Performance
Mercedes SL 63 AMG
BMW i8 Roadster
155 mph
Maximum Speed
155 mph
4.1 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph
62
mph
mph
187 ft
0.000 sec
Mercedes SL 63 AMG
62 mph
62
mph
mph
210 ft
0.000 sec
BMW i8 Roadster
▶ REPLAY
7.05 lb/hp
Weight-to-Power Ratio
9.98 lb/hp
Mercedes SL 63 AMG
7.05 lb/hp
9.98 lb/hp
BMW i8 Roadster
Fuel Economy / Emissions
Mercedes SL 63 AMG
BMW i8 Roadster
Fuel Economy
24 mpg
combined
118 mpg
Mercedes SL 63 AMG
24 mpg
118 mpg
BMW i8 Roadster
17 mpg
city
No data
31 mpg
highway
No data
19.8 gal
Fuel Tank Capacity
7.9 gal
475 mi
Range
932 mi
Mercedes SL 63 AMG
475 mi
932 mi
BMW i8 Roadster
Environmental Impact
185.7 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).
37.8 kWh
Mercedes SL 63 AMG
185.7 kWh
37.8 kWh
BMW i8 Roadster
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
369 g/mi (NEFZ)
CO2 Emissions
80 g/mi (WLTP)
Practical Convenience
Mercedes SL 63 AMG
BMW i8 Roadster
2
Doors
3
2
No. of Seats
2
739 lb
Maximum Payload
650 lb
14.3 cu ft
Trunk Volume
2.5 cu ft
No data
Cargo Volume (Seats Down)
No data
