The Comparative Analysis :

BMW i8 Coupé (18 - ..) vs. BMW M850i Coupé xDrive Steptronic (18 - ..)

€ 138,000
BMW i8 Coupé (18 - ..) i8 Coupé
€ 125,700
 BMW M850i Coupé xDrive Steptronic (18 - ..) M850i Coupé
€ 138,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 125,700

ⓘ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 6.4 inches shorter, 1.6 inches wider and 2.2 inches lower than the M850i Coupé.
i8 Coupé
M850i Coupé
50.8
Blueprint BMW i8 Coupé (18 - ..)
76.5
87.3
53
Blueprint BMW M850i Coupé xDrive Steptronic (18 - ..)
74.9
84.1
76.5 in
Width
74.9 in
87.3 in
Width Incl. Mirrors
84.1 in
50.8 in
Height
53 in
Blueprint BMW i8 Coupé (18 - ..)
110.2
184.6
Blueprint BMW M850i Coupé xDrive Steptronic (18 - ..)
111.1
191
184.6 in
Length
191 in
110.2 in
Wheelbase
111.1 in

Vehicle Weight

i8 Coupé
M850i Coupé
3549 lb
Curb Weight
4332 lb
4200 lb
Gross Vehicle
Weight
5280 lb
BMW i8 Coupé (18 - ..)
Weight Difference:
783 lb
18.07 %
BMW M850i Coupé xDrive Steptronic (18 - ..)

General

i8 Coupé
M850i Coupé
I12
Generation
G15
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Permanent all-wheel drive (AWD)
6-speed automatic transmission
Transmission
8-speed automatic transmission

Engine

i8 Coupé
M850i 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
523 hp
at 5500 rpm
i8 Coupé
369 hp
523 hp
M850i Coupé
420 lb‑ft
at 3700 rpm
Max. Torque
553 lb‑ft
at 1800 rpm
i8 Coupé
420 lb‑ft
553 lb‑ft
M850i Coupé

Performance

i8 Coupé
M850i Coupé
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
3.7 sec
62 mph 62
mph

200 ft
0.000 sec

i8 Coupé

62 mph 62
mph

167 ft
0.000 sec

M850i Coupé

▶ REPLAY
9.62 lb/hp
Weight-to-Power Ratio
8.28 lb/hp
i8 Coupé
9.62 lb/hp
8.28 lb/hp
M850i Coupé

Fuel Economy / Emissions

i8 Coupé
M850i Coupé
Fuel Economy
131 mpg
combined
24 mpg
i8 Coupé
131 mpg
24 mpg
M850i Coupé
No data
city
18 mpg
No data
highway
No data
Kraftstoffanzeige
7.9 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
1036 mi
Range
431 mi
i8 Coupé
1036 mi
431 mi
M850i 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).
185.7 kWh
i8 Coupé
34.1 kWh
185.7 kWh
M850i Coupé
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
77 g/mi (WLTP)
CO2 Emissions
391 g/mi (WLTP)

Practical Convenience

i8 Coupé
M850i Coupé
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
948 lb
4.4 cu ft
Trunk Volume
11.9 cu ft
No data
Cargo Volume (Seats Down)
No data