The Comparative Analysis :

BMW i8 Coupé (14 - 18) vs. BMW 840d Coupé xDrive Steptronic (18 - ..)

€ 134,000
BMW i8 Coupé (14 - 18) i8 Coupé
€ 100,000
 BMW 840d Coupé xDrive Steptronic (18 - ..) 840d Coupé
€ 134,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 100,000

ⓘ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 i8 Coupé is 6.1 inches shorter, 1.6 inches wider and 1.9 inches lower than the 840d Coupé.
i8 Coupé
840d Coupé
50.9
Blueprint BMW i8 Coupé (14 - 18)
76.5
87.3
52.8
Blueprint BMW 840d Coupé xDrive Steptronic (18 - ..)
74.9
84.1
76.5 in
Width
74.9 in
87.3 in
Width Incl. Mirrors
84.1 in
50.9 in
Height
52.8 in
Blueprint BMW i8 Coupé (14 - 18)
110.2
184.6
Blueprint BMW 840d Coupé xDrive Steptronic (18 - ..)
111.1
190.7
184.6 in
Length
190.7 in
110.2 in
Wheelbase
111.1 in

Vehicle Weight

i8 Coupé
840d Coupé
3439 lb
Curb Weight
4200 lb
4090 lb
Gross Vehicle
Weight
5225 lb
BMW i8 Coupé (14 - 18)
Weight Difference:
761 lb
18.12 %
BMW 840d Coupé xDrive Steptronic (18 - ..)

General

i8 Coupé
840d Coupé
I12
Generation
G15
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel
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
840d Coupé
3-cylinder plug-in hybrid gasoline engine with tur­bo­charger
Engine Type
Straight-six diesel engine with two tur­bo­chargers (bi­turbo)
BMW B38
Engine Series
BMW B57
B38-K15
Engine Code
B57-D30
4
Valves
4
3
Cylinders
6
1.5 L / 73 cu in
Displacement
3 L / 147 cu in
357 hp
at 5800 rpm
Power
316 hp
at 4400 rpm
i8 Coupé
357 hp
316 hp
840d Coupé
420 lb‑ft
at 3700 rpm
Max. Torque
502 lb‑ft
at 1750 rpm
i8 Coupé
420 lb‑ft
502 lb‑ft
840d Coupé

Performance

i8 Coupé
840d Coupé
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph 62
mph

200 ft
0.000 sec

i8 Coupé

62 mph 62
mph

223 ft
0.000 sec

840d Coupé

▶ REPLAY
9.63 lb/hp
Weight-to-Power Ratio
13.29 lb/hp
i8 Coupé
9.63 lb/hp
13.29 lb/hp
840d Coupé

Fuel Economy / Emissions

i8 Coupé
840d Coupé
Fuel Economy
112 mpg
combined
39 mpg
i8 Coupé
112 mpg
39 mpg
840d Coupé
No data
city
31 mpg
No data
highway
No data
Kraftstoffanzeige
7.9 gal
Fuel Tank Capacity
17.4 gal
Kraftstoffanzeige
888 mi
Range
672 mi
i8 Coupé
888 mi
672 mi
840d Coupé
Environmental Impact
39.8 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).
125.5 kWh
i8 Coupé
39.8 kWh
125.5 kWh
840d Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP (WLTP)
79 g/mi (NEFZ)
CO2 Emissions
295 g/mi (WLTP)

Practical Convenience

i8 Coupé
840d Coupé
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
1025 lb
4.4 cu ft
Trunk Volume
11.9 cu ft
No data
Cargo Volume (Seats Down)
No data