The Comparative Analysis :
BMW 650i Gran Coupé xDrive Steptronic (15 - 18) vs. BMW i8 Coupé (18 - ..)
€ 101,800
![BMW 650i Gran Coupé xDrive Steptronic (15 - 18)](graphbase/cars/cars_big_png/BMW_6er_F06-15.png)
€ 138,000
![BMW i8 Coupé (18 - ..)](graphbase/cars/cars_big/BMW_i8_I12.webp)
€ 101,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 138,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ considerably. The 650i Gran Coupé is 31.8 cm longer, 4.8 cm narrower and 10.1 cm taller than the i8 Coupé.
650i Gran Coupé
i8 Coupé
1392
1894
2081
1291
1942
2218
1894 mm
Width
1942 mm
2081 mm
Width Incl. Mirrors
2218 mm
1392 mm
Height
1291 mm
2968
5007
2800
4689
5007 mm
Length
4689 mm
2968 mm
Wheelbase
2800 mm
Vehicle Weight
650i Gran Coupé
i8 Coupé
2015 kg
Kerb Weight
1610 kg
2550 kg
Gross Vehicle
Weight
Weight
1905 kg
![BMW 650i Gran Coupé xDrive Steptronic (15 - 18)](graphbase/cars/cars_big_png/BMW_6er_F06-15.png)
Weight Difference:
405 kg
20.1 %
![BMW i8 Coupé (18 - ..)](graphbase/cars/cars_big_png/BMW_i8_I12.png)
General
650i Gran Coupé
i8 Coupé
F06
Generation
I12
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)
![](graphbase/drivetrain/AWD.png)
Permanent all-wheel drive
Drive
On-demand four-wheel drive with automatic engagement
![](graphbase/drivetrain/4WD.png)
8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
650i Gran Coupé
i8 Coupé
V8 petrol engine with two turbochargers (biturbo)
Engine Type
3-cylinder plug-in hybrid petrol engine with turbocharger
BMW N63
Engine Series
BMW B38
N63-B44
Engine Code
B38-K15
4
Valves
4
8
Cylinders
3
4395 CC
Engine Capacity
1499 CC
444 bhp
at 5500 rpm
Power
369 bhp
at 5800 rpm
650i Gran Coupé
444 bhp
369 bhp
i8 Coupé
650 NM
at 2000 rpm
Max. Torque
570 NM
at 3700 rpm
650i Gran Coupé
650 NM
570 NM
i8 Coupé
Performance
650i Gran Coupé
i8 Coupé
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
61 m
0.000 sec
![](graphbase/cars/cars_small_png/BMW_6er_F06-15.png)
650i Gran Coupé
62 mph
62
mph
mph
61 m
0.000 sec
![](graphbase/cars/cars_small_png/BMW_i8_I12.png)
i8 Coupé
▶ REPLAY
4.54 kg/bhp
Weight-to-Power Ratio
4.36 kg/bhp
650i Gran Coupé
4.54 kg/bhp
4.36 kg/bhp
i8 Coupé
Fuel Economy / Emissions
650i Gran Coupé
i8 Coupé
Fuel Economy
31 mpg
combined
157 mpg
650i Gran Coupé
31 mpg
157 mpg
i8 Coupé
22 mpg
city
No data
No data
motorway
No data
70 L
Fuel Tank Capacity
30 L
473 mi
Range
1036 mi
650i Gran Coupé
473 mi
1036 mi
i8 Coupé
Environmental Impact
174.3 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).
34.1 kWh
650i Gran Coupé
174.3 kWh
34.1 kWh
i8 Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
215 g/km (NEFZ)
CO2 Emissions
48 g/km (WLTP)
Practical Convenience
650i Gran Coupé
i8 Coupé
4
Doors
3
5
No. of Seats
4
535 kg
Maximum Payload
295 kg
460 L
Boot Capacity
154 L
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KM.png)
![](graphbase/koffer/KB.png)
![](graphbase/koffer/KL.png)
![](graphbase/koffer/KB.png)
No data
Boot Capacity (Seats Down)
No data