The Comparative Analysis :

BMW 640i Coupé xDrive Steptronic (13 - 14) vs. Porsche 911 GT3 PDK (17 - 18)

€ 78,700
BMW 640i Coupé xDrive Steptronic (13 - 14) BMW 640i Coupé
€ 152,400
 Porsche 911 GT3 PDK (17 - 18) Porsche 911 GT3
€ 78,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 152,400

ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info

Vehicle Dimensions

The BMW 640i Coupé is considerably bigger in every dimension. It's 13.1 inches longer, 1.7 inches wider and 3.9 inches taller than the Porsche 911 GT3.
BMW 640i Coupé
Porsche 911 GT3
53.9
Blueprint BMW 640i Coupé xDrive Steptronic (13 - 14)
74.6
81.9
50
Blueprint Porsche 911 GT3 PDK (17 - 18)
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
53.9 in
Height
50 in
Blueprint BMW 640i Coupé xDrive Steptronic (13 - 14)
112.4
192.7
Blueprint Porsche 911 GT3 PDK (17 - 18)
96.7
179.6
192.7 in
Length
179.6 in
112.4 in
Wheelbase
96.7 in

Vehicle Weight

BMW 640i Coupé
Porsche 911 GT3
4057 lb
Curb Weight
3318 lb
4971 lb
Gross Vehicle
Weight
3918 lb
BMW 640i Coupé xDrive Steptronic (13 - 14)
Weight Difference:
739 lb
18.22 %
Porsche 911 GT3 PDK (17 - 18)

General

BMW 640i Coupé
Porsche 911 GT3
F13
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Permanent all-wheel drive (AWD)
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
7-speed dual clutch transmission

Engine

BMW 640i Coupé
Porsche 911 GT3
Straight-six gasoline engine with tur­bo­charger
Engine Type
6-cylinder boxer gasoline engine (nat­u­ral­ly as­pi­rat­ed engine)
BMW N55
Engine Series
N55-B30
Engine Code
4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
4 L / 196 cu in
316 hp
at 5800 rpm
Power
493 hp
at 8250 rpm
BMW 640i Coupé
316 hp
493 hp
Porsche 911 GT3
332 lb‑ft
at 1300 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
BMW 640i Coupé
332 lb‑ft
339 lb‑ft
Porsche 911 GT3

Performance

BMW 640i Coupé
Porsche 911 GT3
155 mph
Maximum Speed
198 mph
5.2 sec
Acceleration 0 to 62 mph
3.4 sec
62 mph 62
mph

236 ft
0.000 sec

BMW 640i Coupé

62 mph 62
mph

154 ft
0.000 sec

Porsche 911 GT3

▶ REPLAY
12.84 lb/hp
Weight-to-Power Ratio
6.73 lb/hp
BMW 640i Coupé
12.84 lb/hp
6.73 lb/hp
Porsche 911 GT3

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 GT3
Fuel Economy
29 mpg
combined
19 mpg
BMW 640i Coupé
29 mpg
19 mpg
Porsche 911 GT3
21 mpg
city
12 mpg
No data
highway
27 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
537 mi
Range
313 mi
BMW 640i Coupé
537 mi
313 mi
Porsche 911 GT3
Environmental Impact
153.5 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).
240.6 kWh
BMW 640i Coupé
153.5 kWh
240.6 kWh
Porsche 911 GT3
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
303 g/mi (NEFZ)
CO2 Emissions
463 g/mi (NEFZ)

Practical Convenience

BMW 640i Coupé
Porsche 911 GT3
2
Doors
2
4
No. of Seats
4
915 lb
Maximum Payload
600 lb
13 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data