The Comparative Analysis :

BMW i8 Coupé (14 - 18) vs. BMW 640d Coupé Steptronic (15 - 17)

€ 134,000
BMW i8 Coupé (14 - 18) i8 Coupé
€ 86,100
 BMW 640d Coupé Steptronic (15 - 17) 640d Coupé
€ 134,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 86,100

ⓘ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 8.1 inches shorter, 1.9 inches wider and 3 inches lower than the 640d Coupé.
i8 Coupé
640d Coupé
50.9
Blueprint BMW i8 Coupé (14 - 18)
76.5
87.3
53.9
Blueprint BMW 640d Coupé Steptronic (15 - 17)
74.6
81.9
76.5 in
Width
74.6 in
87.3 in
Width Incl. Mirrors
81.9 in
50.9 in
Height
53.9 in
Blueprint BMW i8 Coupé (14 - 18)
110.2
184.6
Blueprint BMW 640d Coupé Steptronic (15 - 17)
112.4
192.7
184.6 in
Length
192.7 in
110.2 in
Wheelbase
112.4 in

Vehicle Weight

i8 Coupé
640d Coupé
3439 lb
Curb Weight
4001 lb
4090 lb
Gross Vehicle
Weight
4971 lb
BMW i8 Coupé (14 - 18)
Weight Difference:
562 lb
14.05 %
BMW 640d Coupé Steptronic (15 - 17)

General

i8 Coupé
640d Coupé
I12
Generation
F13
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Diesel
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
640d 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 N57
B38-K15
Engine Code
N57-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
309 hp
at 4400 rpm
i8 Coupé
357 hp
309 hp
640d Coupé
420 lb‑ft
at 3700 rpm
Max. Torque
465 lb‑ft
at 1500 rpm
i8 Coupé
420 lb‑ft
465 lb‑ft
640d Coupé

Performance

i8 Coupé
640d Coupé
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph 62
mph

200 ft
0.000 sec

i8 Coupé

62 mph 62
mph

243 ft
0.000 sec

640d Coupé

▶ REPLAY
9.63 lb/hp
Weight-to-Power Ratio
12.95 lb/hp
i8 Coupé
9.63 lb/hp
12.95 lb/hp
640d Coupé

Fuel Economy / Emissions

i8 Coupé
640d Coupé
Fuel Economy
112 mpg
combined
44 mpg
i8 Coupé
112 mpg
44 mpg
640d Coupé
No data
city
38 mpg
No data
highway
No data
Kraftstoffanzeige
7.9 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
888 mi
Range
805 mi
i8 Coupé
888 mi
805 mi
640d 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).
111 kWh
i8 Coupé
39.8 kWh
111 kWh
640d Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
79 g/mi (NEFZ)
CO2 Emissions
230 g/mi (NEFZ)

Practical Convenience

i8 Coupé
640d Coupé
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
970 lb
4.4 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data