The Comparative Analysis :

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

€ 79,900
BMW 640i Gran Coupé Steptronic (13 - 14) BMW 640i Gran Coupé
€ 152,400
 Porsche 911 GT3 (17 - 18) Porsche 911 GT3
€ 79,900
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 Gran Coupé is significantly bigger in every dimension. It's 17.5 inches longer, 1.7 inches wider and 4.8 inches taller than the Porsche 911 GT3.
BMW 640i Gran Coupé
Porsche 911 GT3
54.8
Blueprint BMW 640i Gran Coupé Steptronic (13 - 14)
74.6
81.9
50
Blueprint Porsche 911 GT3 (17 - 18)
72.9
77.9
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
77.9 in
54.8 in
Height
50 in
Blueprint BMW 640i Gran Coupé Steptronic (13 - 14)
116.9
197.1
Blueprint Porsche 911 GT3 (17 - 18)
96.7
179.6
197.1 in
Length
179.6 in
116.9 in
Wheelbase
96.7 in

Vehicle Weight

BMW 640i Gran Coupé
Porsche 911 GT3
4023 lb
Curb Weight
3280 lb
5203 lb
Gross Vehicle
Weight
3880 lb
BMW 640i Gran Coupé Steptronic (13 - 14)
Weight Difference:
743 lb
18.47 %
Porsche 911 GT3 (17 - 18)

General

BMW 640i Gran Coupé
Porsche 911 GT3
F06
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
8-speed automatic transmission
Transmission
6-speed manual transmission

Engine

BMW 640i Gran 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 Gran Coupé
316 hp
493 hp
Porsche 911 GT3
332 lb‑ft
at 1300 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
BMW 640i Gran Coupé
332 lb‑ft
339 lb‑ft
Porsche 911 GT3

Performance

BMW 640i Gran Coupé
Porsche 911 GT3
155 mph
Maximum Speed
199 mph
5.4 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph 62
mph

246 ft
0.000 sec

BMW 640i Gran Coupé

62 mph 62
mph

177 ft
0.000 sec

Porsche 911 GT3

▶ REPLAY
12.73 lb/hp
Weight-to-Power Ratio
6.65 lb/hp
BMW 640i Gran Coupé
12.73 lb/hp
6.65 lb/hp
Porsche 911 GT3

Fuel Economy / Emissions

BMW 640i Gran Coupé
Porsche 911 GT3
Fuel Economy
30 mpg
combined
18 mpg
BMW 640i Gran Coupé
30 mpg
18 mpg
Porsche 911 GT3
22 mpg
city
12 mpg
No data
highway
27 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
16.9 gal
Kraftstoffanzeige
557 mi
Range
308 mi
BMW 640i Gran Coupé
557 mi
308 mi
Porsche 911 GT3
Environmental Impact
147.7 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).
244.5 kWh
BMW 640i Gran Coupé
147.7 kWh
244.5 kWh
Porsche 911 GT3
Euro 6b (NEFZ)
Emission Standard
Euro 6b (NEFZ)
291 g/mi (NEFZ)
CO2 Emissions
467 g/mi (NEFZ)

Practical Convenience

BMW 640i Gran Coupé
Porsche 911 GT3
4
Doors
2
5
No. of Seats
4
1179 lb
Maximum Payload
600 lb
13 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data