The Comparative Analysis :
BMW i8 Coupé (14 - 18) vs. BMW 640d Gran Coupé xDrive Steptronic (15 - 18)
€ 134,000
€ 92,600
€ 134,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 92,600
ⓘ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 3.9 inches lower than the 640d Gran Coupé.
i8 Coupé
640d Gran Coupé
50.9
76.5
87.3
54.8
74.6
81.9
76.5 in
Width
74.6 in
87.3 in
Width Incl. Mirrors
81.9 in
50.9 in
Height
54.8 in
110.2
184.6
116.9
197.1
184.6 in
Length
197.1 in
110.2 in
Wheelbase
116.9 in
Vehicle Weight
i8 Coupé
640d Gran Coupé
3439 lb
Curb Weight
4288 lb
4090 lb
Gross Vehicle
Weight
Weight
5445 lb
Weight Difference:
849 lb
19.8 %
General
i8 Coupé
640d Gran Coupé
I12
Generation
F06
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
640d Gran 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 Gran Coupé
420 lb‑ft
at 3700 rpm
Max. Torque
465 lb‑ft
at 1500 rpm
i8 Coupé
420 lb‑ft
465 lb‑ft
640d Gran Coupé
Performance
i8 Coupé
640d Gran Coupé
155 mph
Maximum Speed
155 mph
4.4 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
200 ft
0.000 sec
i8 Coupé
62 mph
62
mph
mph
236 ft
0.000 sec
640d Gran Coupé
▶ REPLAY
9.63 lb/hp
Weight-to-Power Ratio
13.88 lb/hp
i8 Coupé
9.63 lb/hp
13.88 lb/hp
640d Gran Coupé
Fuel Economy / Emissions
i8 Coupé
640d Gran Coupé
Fuel Economy
112 mpg
combined
41 mpg
i8 Coupé
112 mpg
41 mpg
640d Gran Coupé
No data
city
35 mpg
No data
highway
No data
7.9 gal
Fuel Tank Capacity
18.5 gal
888 mi
Range
750 mi
i8 Coupé
888 mi
750 mi
640d Gran 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).
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).
119.3 kWh
i8 Coupé
39.8 kWh
119.3 kWh
640d Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
79 g/mi (NEFZ)
CO2 Emissions
246 g/mi (NEFZ)
Practical Convenience
i8 Coupé
640d 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
