The Comparative Analysis :
BMW 840i Gran Coupé Steptronic (19 - ..) vs. BMW i8 Coupé (14 - 18)
€ 91,500

€ 134,000

€ 91,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 134,000
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ significantly. The 840i Gran Coupé is 39.3 cm longer, 1 cm narrower and 11.4 cm taller than the i8 Coupé.
840i Gran Coupé
i8 Coupé
1407
1932
2137
1293
1942
2218
1932 mm
Width
1942 mm
2137 mm
Width Incl. Mirrors
2218 mm
1407 mm
Height
1293 mm
3023
5082
2800
4689
5082 mm
Length
4689 mm
3023 mm
Wheelbase
2800 mm
Vehicle Weight
840i Gran Coupé
i8 Coupé
1875 kg
Kerb Weight
1560 kg
2435 kg
Gross Vehicle
Weight
Weight
1855 kg

Weight Difference:
315 kg
16.8 %

General
840i Gran Coupé
i8 Coupé
G16
Generation
I12
Coupe
Car Body Style
Coupe
Super Unleaded (98 RON)
Fuel Type
Super Unleaded (98 RON)

Rear-wheel drive
Drive
On-demand four-wheel drive with automatic engagement

8-speed automatic transmission
Transmission
6-speed automatic transmission
Engine
840i Gran Coupé
i8 Coupé
Straight-six petrol engine with turbocharger
Engine Type
3-cylinder plug-in hybrid petrol engine with turbocharger
BMW B58
Engine Series
BMW B38
B58-B30
Engine Code
B38-K15

4
Valves
4
6
Cylinders
3
2998 CC
Engine Capacity
1499 CC
335 bhp
at 5000 rpm
Power
357 bhp
at 5800 rpm
840i Gran Coupé
335 bhp
357 bhp
i8 Coupé
500 NM
at 1600 rpm
Max. Torque
570 NM
at 3700 rpm
840i Gran Coupé
500 NM
570 NM
i8 Coupé
Performance
840i Gran Coupé
i8 Coupé
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
72 m
0.000 sec

840i Gran Coupé
62 mph
62
mph
mph
61 m
0.000 sec

i8 Coupé
▶ REPLAY
5.6 kg/bhp
Weight-to-Power Ratio
4.37 kg/bhp
840i Gran Coupé
5.6 kg/bhp
4.37 kg/bhp
i8 Coupé
Fuel Economy / Emissions
840i Gran Coupé
i8 Coupé
Fuel Economy
39 mpg
combined
135 mpg
840i Gran Coupé
39 mpg
135 mpg
i8 Coupé
32 mpg
city
No data
No data
motorway
No data
68 L
Fuel Tank Capacity
30 L
587 mi
Range
888 mi
840i Gran Coupé
587 mi
888 mi
i8 Coupé
Environmental Impact
136.5 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).
39.8 kWh
840i Gran Coupé
136.5 kWh
39.8 kWh
i8 Coupé
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
192 g/km (WLTP)
CO2 Emissions
49 g/km (NEFZ)
Practical Convenience
840i Gran Coupé
i8 Coupé
4
Doors
3
5
No. of Seats
4
560 kg
Maximum Payload
295 kg
440 L
Boot Capacity
154 L






No data
Boot Capacity (Seats Down)
No data