The Comparative Analysis :
BMW 640i Coupé Steptronic (13 - 14) vs. BMW M850i Gran Coupé xDrive Steptronic Sport (19 - ..)
€ 75,300

€ 122,700

€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 122,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The 640i Coupé is considerably smaller in every dimension. It's 7.4 inches shorter, 1.5 inches narrower and 1.5 inches lower than the M850i Gran Coupé.
640i Coupé
M850i Gran Coupé
53.9
74.6
81.9
55.4
76.1
84.1
74.6 in
Width
76.1 in
81.9 in
Width Incl. Mirrors
84.1 in
53.9 in
Height
55.4 in
112.4
192.7
119
200.1
192.7 in
Length
200.1 in
112.4 in
Wheelbase
119 in
Vehicle Weight
640i Coupé
M850i Gran Coupé
3825 lb
Curb Weight
4564 lb
4806 lb
Gross Vehicle
Weight
Weight
5732 lb

Weight Difference:
739 lb
16.19 %

General
640i Coupé
M850i Gran Coupé
F13
Generation
G16
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

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

8-speed automatic transmission
Transmission
8-speed automatic transmission
Engine
640i Coupé
M850i Gran Coupé
Straight-six gasoline engine with turbocharger
Engine Type
V8 gasoline engine with two turbochargers (biturbo)
BMW N55
Engine Series
BMW N63
N55-B30
Engine Code
N63-B44

4
Valves
4
6
Cylinders
8
3 L / 147 cu in
Displacement
4.4 L / 215 cu in
316 hp
at 5800 rpm
Power
523 hp
at 5500 rpm
640i Coupé
316 hp
523 hp
M850i Gran Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
553 lb‑ft
at 1800 rpm
640i Coupé
332 lb‑ft
553 lb‑ft
M850i Gran Coupé
Performance
640i Coupé
M850i Gran Coupé
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
246 ft
0.000 sec

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

M850i Gran Coupé
▶ REPLAY
12.1 lb/hp
Weight-to-Power Ratio
8.73 lb/hp
640i Coupé
12.1 lb/hp
8.73 lb/hp
M850i Gran Coupé
Fuel Economy / Emissions
640i Coupé
M850i Gran Coupé
Fuel Economy
31 mpg
combined
24 mpg
640i Coupé
31 mpg
24 mpg
M850i Gran Coupé
22 mpg
city
No data
No data
highway
No data
18.5 gal
Fuel Tank Capacity
18 gal
572 mi
Range
423 mi
640i Coupé
572 mi
423 mi
M850i Gran Coupé
Environmental Impact
144 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).
189.4 kWh
640i Coupé
144 kWh
189.4 kWh
M850i Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
285 g/mi (NEFZ)
CO2 Emissions
422 g/mi (WLTP)
Practical Convenience
640i Coupé
M850i Gran Coupé
2
Doors
4
4
No. of Seats
5
981 lb
Maximum Payload
1168 lb
13 cu ft
Trunk Volume
12.5 cu ft









No data
Cargo Volume (Seats Down)
No data