The Comparative Analysis :
BMW 640i Coupé xDrive Steptronic (15 - 17) vs. BMW 840i Coupé xDrive Steptronic (19 - ..)
€ 85,300

€ 97,800

€ 85,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 97,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The dimensions of these vehicles differ a little. The 640i Coupé is 2 inches longer, 0.3 inches narrower and 1.1 inches taller than the 840i Coupé.
640i Coupé
840i Coupé
53.9
74.6
81.9
52.8
74.9
84.1
74.6 in
Width
74.9 in
81.9 in
Width Incl. Mirrors
84.1 in
53.9 in
Height
52.8 in
112.4
192.7
111.1
190.7
192.7 in
Length
190.7 in
112.4 in
Wheelbase
111.1 in
Vehicle Weight
640i Coupé
840i Coupé
4057 lb
Curb Weight
4068 lb
4993 lb
Gross Vehicle
Weight
Weight
5027 lb

Weight Difference:
11 lb
0.27 %

General
640i Coupé
840i Coupé
F13
Generation
G15
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

Permanent all-wheel drive (AWD)
Drivetrain
Permanent all-wheel drive (AWD)

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
640i Coupé
840i Coupé
Straight-six gasoline engine with turbocharger
Engine Type
Straight-six gasoline engine with turbocharger
BMW N55
Engine Series
BMW B58
N55-B30
Engine Code
B58-B30


4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
316 hp
at 5800 rpm
Power
335 hp
at 5000 rpm
640i Coupé
316 hp
335 hp
840i Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
640i Coupé
332 lb‑ft
369 lb‑ft
840i Coupé
Performance
640i Coupé
840i Coupé
155 mph
Maximum Speed
155 mph
5.2 sec
Acceleration 0 to 62 mph
4.7 sec
62 mph
62
mph
mph
236 ft
0.000 sec

640i Coupé
62 mph
62
mph
mph
213 ft
0.000 sec

840i Coupé
▶ REPLAY
12.84 lb/hp
Weight-to-Power Ratio
12.14 lb/hp
640i Coupé
12.84 lb/hp
12.14 lb/hp
840i Coupé
Fuel Economy / Emissions
640i Coupé
840i Coupé
Fuel Economy
29 mpg
combined
31 mpg
640i Coupé
29 mpg
31 mpg
840i Coupé
21 mpg
city
25 mpg
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18 gal
544 mi
Range
564 mi
640i Coupé
544 mi
564 mi
840i Coupé
Environmental Impact
151.6 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).
142.1 kWh
640i Coupé
151.6 kWh
142.1 kWh
840i Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
301 g/mi (NEFZ)
CO2 Emissions
323 g/mi (WLTP)
Practical Convenience
640i Coupé
840i Coupé
2
Doors
2
4
No. of Seats
4
937 lb
Maximum Payload
959 lb
13 cu ft
Trunk Volume
11.9 cu ft









No data
Cargo Volume (Seats Down)
No data