The Comparative Analysis :

BMW i8 Coupé (18 - ..) vs. BMW 650i Gran Coupé Steptronic (15 - 18)

€ 138,000
BMW i8 Coupé (18 - ..) i8 Coupé
€ 98,400
 BMW 650i Gran Coupé Steptronic (15 - 18) 650i Gran Coupé
€ 138,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 98,400

ⓘ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 i8 Coupé is 12.5 inches shorter, 1.9 inches wider and 4 inches lower than the 650i Gran Coupé.
i8 Coupé
650i Gran Coupé
50.8
Blueprint BMW i8 Coupé (18 - ..)
76.5
87.3
54.8
Blueprint BMW 650i Gran Coupé Steptronic (15 - 18)
74.6
81.9
76.5 in
Width
74.6 in
87.3 in
Width Incl. Mirrors
81.9 in
50.8 in
Height
54.8 in
Blueprint BMW i8 Coupé (18 - ..)
110.2
184.6
Blueprint BMW 650i Gran Coupé Steptronic (15 - 18)
116.9
197.1
184.6 in
Length
197.1 in
110.2 in
Wheelbase
116.9 in

Vehicle Weight

i8 Coupé
650i Gran Coupé
3549 lb
Curb Weight
4277 lb
4200 lb
Gross Vehicle
Weight
5434 lb
BMW i8 Coupé (18 - ..)
Weight Difference:
728 lb
17.02 %
BMW 650i Gran Coupé Steptronic (15 - 18)

General

i8 Coupé
650i Gran Coupé
I12
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

i8 Coupé
650i Gran Coupé
3-cylinder plug-in hybrid gasoline engine with tur­bo­charger
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW B38
Engine Series
BMW N63
B38-K15
Engine Code
N63-B44
4
Valves
4
3
Cylinders
8
1.5 L / 73 cu in
Displacement
4.4 L / 215 cu in
369 hp
at 5800 rpm
Power
444 hp
at 5500 rpm
i8 Coupé
369 hp
444 hp
650i Gran Coupé
420 lb‑ft
at 3700 rpm
Max. Torque
479 lb‑ft
at 2000 rpm
i8 Coupé
420 lb‑ft
479 lb‑ft
650i Gran Coupé

Performance

i8 Coupé
650i Gran Coupé
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
4.6 sec
62 mph 62
mph

200 ft
0.000 sec

i8 Coupé

62 mph 62
mph

210 ft
0.000 sec

650i Gran Coupé

▶ REPLAY
9.62 lb/hp
Weight-to-Power Ratio
9.63 lb/hp
i8 Coupé
9.62 lb/hp
9.63 lb/hp
650i Gran Coupé

Fuel Economy / Emissions

i8 Coupé
650i Gran Coupé
Fuel Economy
131 mpg
combined
27 mpg
i8 Coupé
131 mpg
27 mpg
650i Gran Coupé
No data
city
20 mpg
No data
highway
No data
Kraftstoffanzeige
7.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
1036 mi
Range
506 mi
i8 Coupé
1036 mi
506 mi
650i Gran Coupé
Environmental Impact
34.1 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).
162.9 kWh
i8 Coupé
34.1 kWh
162.9 kWh
650i Gran Coupé
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
77 g/mi (WLTP)
CO2 Emissions
320 g/mi (NEFZ)

Practical Convenience

i8 Coupé
650i Gran Coupé
3
Doors
4
4
No. of Seats
5
650 lb
Maximum Payload
1157 lb
4.4 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data