The Comparative Analysis :
Porsche 911 GT3 (17 - 18) vs. BMW 640i Gran Coupé xDrive Steptronic (13 - 14)
€ 152,400

€ 83,300

€ 152,400
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 83,300
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 GT3 is significantly smaller in every dimension. It's 17.5 inches shorter, 1.7 inches narrower and 4.8 inches lower than the BMW 640i Gran Coupé.
Porsche 911 GT3
BMW 640i Gran Coupé
50
72.9
77.9
54.8
74.6
81.9
72.9 in
Width
74.6 in
77.9 in
Width Incl. Mirrors
81.9 in
50 in
Height
54.8 in
96.7
179.6
116.9
197.1
179.6 in
Length
197.1 in
96.7 in
Wheelbase
116.9 in
Vehicle Weight
Porsche 911 GT3
BMW 640i Gran Coupé
3280 lb
Curb Weight
4189 lb
3880 lb
Gross Vehicle
Weight
Weight
5357 lb

Weight Difference:
908 lb
21.68 %

General
Porsche 911 GT3
BMW 640i Gran Coupé
991
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

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

6-speed manual transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 GT3
BMW 640i Gran Coupé
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with turbocharger
Engine Series
BMW N55
Engine Code
N55-B30

4
Valves
4
6
Cylinders
6
4 L / 196 cu in
Displacement
3 L / 147 cu in
493 hp
at 8250 rpm
Power
316 hp
at 5800 rpm
Porsche 911 GT3
493 hp
316 hp
BMW 640i Gran Coupé
339 lb‑ft
at 6250 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Porsche 911 GT3
339 lb‑ft
332 lb‑ft
BMW 640i Gran Coupé
Performance
Porsche 911 GT3
BMW 640i Gran Coupé
199 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.3 sec
62 mph
62
mph
mph
177 ft
0.000 sec

Porsche 911 GT3
62 mph
62
mph
mph
243 ft
0.000 sec

BMW 640i Gran Coupé
▶ REPLAY
6.65 lb/hp
Weight-to-Power Ratio
13.26 lb/hp
Porsche 911 GT3
6.65 lb/hp
13.26 lb/hp
BMW 640i Gran Coupé
Fuel Economy / Emissions
Porsche 911 GT3
BMW 640i Gran Coupé
Fuel Economy
18 mpg
combined
29 mpg
Porsche 911 GT3
18 mpg
29 mpg
BMW 640i Gran Coupé
12 mpg
city
21 mpg
27 mpg
highway
No data
16.9 gal
Fuel Tank Capacity
18.5 gal
308 mi
Range
537 mi
Porsche 911 GT3
308 mi
537 mi
BMW 640i Gran Coupé
Environmental Impact
244.5 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).
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).
153.5 kWh
Porsche 911 GT3
244.5 kWh
153.5 kWh
BMW 640i Gran Coupé
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
467 g/mi (NEFZ)
CO2 Emissions
304 g/mi (NEFZ)
Practical Convenience
Porsche 911 GT3
BMW 640i Gran Coupé
2
Doors
4
4
No. of Seats
5
600 lb
Maximum Payload
1168 lb
3.5 cu ft
Trunk Volume
13 cu ft






No data
Cargo Volume (Seats Down)
No data