The Comparative Analysis :

BMW 640i Coupé Steptronic (13 - 14) vs. BMW M8 Competition Gran Coupé xDrive Steptronic Sport (19 - ..)

€ 75,300
BMW 640i Coupé Steptronic (13 - 14) 640i Coupé
€ 165,000
 BMW M8 Competition Gran Coupé xDrive Steptronic Sport (19 - ..) M8 Competition Gran Coupé
€ 75,300
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 165,000

ⓘ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 8 inches shorter, 1.9 inches narrower and 2 inches lower than the M8 Competition Gran Coupé.
640i Coupé
M8 Competition Gran Coupé
53.9
Blueprint BMW 640i Coupé Steptronic (13 - 14)
74.6
81.9
55.9
Blueprint BMW M8 Competition Gran Coupé xDrive Steptronic Sport (19 - ..)
76.5
84.1
74.6 in
Width
76.5 in
81.9 in
Width Incl. Mirrors
84.1 in
53.9 in
Height
55.9 in
Blueprint BMW 640i Coupé Steptronic (13 - 14)
112.4
192.7
Blueprint BMW M8 Competition Gran Coupé xDrive Steptronic Sport (19 - ..)
119.2
200.7
192.7 in
Length
200.7 in
112.4 in
Wheelbase
119.2 in

Vehicle Weight

640i Coupé
M8 Competition Gran Coupé
3825 lb
Curb Weight
4530 lb
4806 lb
Gross Vehicle
Weight
5379 lb
BMW 640i Coupé Steptronic (13 - 14)
Weight Difference:
705 lb
15.56 %
BMW M8 Competition Gran Coupé xDrive Steptronic Sport (19 - ..)

General

640i Coupé
M8 Competition 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
M8 Competition Gran Coupé
Straight-six gasoline engine with tur­bo­charger
Engine Type
V8 gasoline engine with two tur­bo­chargers (bi­turbo)
BMW N55
Engine Series
BMW S63
N55-B30
Engine Code
S63-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
616 hp
at 6000 rpm
640i Coupé
316 hp
616 hp
M8 Competition Gran Coupé
332 lb‑ft
at 1300 rpm
Max. Torque
553 lb‑ft
at 1800 rpm
640i Coupé
332 lb‑ft
553 lb‑ft
M8 Competition Gran Coupé

Performance

640i Coupé
M8 Competition Gran Coupé
155 mph
Maximum Speed
155 mph
5.4 sec
Acceleration 0 to 62 mph
3.2 sec
62 mph 62
mph

246 ft
0.000 sec

640i Coupé

62 mph 62
mph

144 ft
0.000 sec

M8 Competition Gran Coupé

▶ REPLAY
12.1 lb/hp
Weight-to-Power Ratio
7.35 lb/hp
640i Coupé
12.1 lb/hp
7.35 lb/hp
M8 Competition Gran Coupé

Fuel Economy / Emissions

640i Coupé
M8 Competition Gran Coupé
Fuel Economy
31 mpg
combined
22 mpg
640i Coupé
31 mpg
22 mpg
M8 Competition Gran Coupé
22 mpg
city
No data
No data
highway
No data
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
572 mi
Range
391 mi
640i Coupé
572 mi
391 mi
M8 Competition 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).
204.5 kWh
640i Coupé
144 kWh
204.5 kWh
M8 Competition Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
285 g/mi (NEFZ)
CO2 Emissions
410 g/mi (WLTP)

Practical Convenience

640i Coupé
M8 Competition Gran Coupé
2
Doors
4
4
No. of Seats
5
981 lb
Maximum Payload
849 lb
13 cu ft
Trunk Volume
12.5 cu ft
No data
Cargo Volume (Seats Down)
No data