The Comparative Analysis :

Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18) vs. BMW i8 Roadster (18 - ..)

€ 148,800
Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18) Mercedes AMG GT S Roadster
€ 155,000
 BMW i8 Roadster (18 - ..) BMW i8 Roadster
€ 148,800
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 Mercedes AMG GT S Roadster is slightly smaller in every dimension. It's 14.5 cm shorter, 0.3 cm narrower and 3 cm lower than the BMW i8 Roadster.
Mercedes AMG GT S Roadster
BMW i8 Roadster
1259
Blueprint Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
1939
2075
1289
Blueprint BMW i8 Roadster (18 - ..)
1942
2218
1939 mm
Width
1942 mm
2075 mm
Width Incl. Mirrors
2218 mm
1259 mm
Height
1289 mm
Blueprint Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
2630
4544
Blueprint BMW i8 Roadster (18 - ..)
2800
4689
4544 mm
Length
4689 mm
2630 mm
Wheelbase
2800 mm

Vehicle Weight

Mercedes AMG GT S Roadster
BMW i8 Roadster
1735 kg
Kerb Weight
1670 kg
1940 kg
Gross Vehicle
Weight
1965 kg
Mercedes AMG GT S Roadster SPEEDSHIFT DCT (18 - 18)
Weight Difference:
65 kg
3.75 %
BMW i8 Roadster (18 - ..)

General

Mercedes AMG GT S Roadster
BMW i8 Roadster
C190
Generation
I15
Roadster
Car Body Style
Roadster
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
Rear-wheel drive
Drive
On-demand four-wheel drive with automatic engagement
7-speed dual clutch transmission
Transmission
6-speed automatic transmission

Engine

Mercedes AMG GT S Roadster
BMW i8 Roadster
V8 petrol engine with two tur­bo­chargers (bi­turbo)
Engine Type
3-cylinder plug-in hybrid petrol engine with tur­bo­charger
Mercedes-Benz M 178
Engine Series
BMW B38
M 178.980
Engine Code
B38-K15
4
Valves
4
8
Cylinders
3
3982 CC
Engine Capacity
1499 CC
515 bhp
at 6250 rpm
Power
369 bhp
at 5800 rpm
Mercedes AMG GT S Roadster
515 bhp
369 bhp
BMW i8 Roadster
670 NM
at 1900 rpm
Max. Torque
570 NM
at 3700 rpm
Mercedes AMG GT S Roadster
670 NM
570 NM
BMW i8 Roadster

Performance

Mercedes AMG GT S Roadster
BMW i8 Roadster
191 mph
Maximum Speed
155 mph
3.8 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

53 m
0.000 sec

Mercedes AMG GT S Roadster

62 mph 62
mph

64 m
0.000 sec

BMW i8 Roadster

▶ REPLAY
3.37 kg/bhp
Weight-to-Power Ratio
4.53 kg/bhp
Mercedes AMG GT S Roadster
3.37 kg/bhp
4.53 kg/bhp
BMW i8 Roadster

Fuel Economy / Emissions

Mercedes AMG GT S Roadster
BMW i8 Roadster
Fuel Economy
25 mpg
combined
141 mpg
Mercedes AMG GT S Roadster
25 mpg
141 mpg
BMW i8 Roadster
18 mpg
city
No data
31 mpg
motorway
No data
Kraftstoffanzeige
65 L
Fuel Tank Capacity
30 L
Kraftstoffanzeige
351 mi
Range
932 mi
Mercedes AMG GT S Roadster
351 mi
932 mi
BMW i8 Roadster
Environmental Impact
217.9 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 AMG GT S Roadster
217.9 kWh
37.8 kWh
BMW i8 Roadster
Euro 6d-TEMP (WLTP) 36AG-AI
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
277 g/km (WLTP)
CO2 Emissions
50 g/km (WLTP)

Practical Convenience

Mercedes AMG GT S Roadster
BMW i8 Roadster
2
Doors
3
2
No. of Seats
2
205 kg
Maximum Payload
295 kg
165 L
Boot Capacity
88 L
No data
Boot Capacity (Seats Down)
No data