The Comparative Analysis :

BMW 640i Coupé Steptronic (15 - 17) vs. Porsche 911 GT3 RS (10 - 11)

€ 81,900
BMW 640i Coupé Steptronic (15 - 17) BMW 640i Coupé
€ 150,200
 Porsche 911 GT3 RS (10 - 11) Porsche 911 GT3 RS
€ 81,900
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 150,200

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

Vehicle Dimensions

The BMW 640i Coupé is significantly bigger in every dimension. It's 17.1 inches longer, 1.7 inches wider and 3.5 inches taller than the Porsche 911 GT3 RS.
BMW 640i Coupé
Porsche 911 GT3 RS
53.9
Blueprint BMW 640i Coupé Steptronic (15 - 17)
74.6
81.9
50.4
Blueprint Porsche 911 GT3 RS (10 - 11)
72.9
80.8
74.6 in
Width
72.9 in
81.9 in
Width Incl. Mirrors
80.8 in
53.9 in
Height
50.4 in
Blueprint BMW 640i Coupé Steptronic (15 - 17)
112.4
192.7
Blueprint Porsche 911 GT3 RS (10 - 11)
92.7
175.6
192.7 in
Length
175.6 in
112.4 in
Wheelbase
92.7 in

Vehicle Weight

BMW 640i Coupé
Porsche 911 GT3 RS
3880 lb
Curb Weight
3186 lb
4872 lb
Gross Vehicle
Weight
3704 lb
BMW 640i Coupé Steptronic (15 - 17)
Weight Difference:
694 lb
17.89 %
Porsche 911 GT3 RS (10 - 11)

General

BMW 640i Coupé
Porsche 911 GT3 RS
F13
Generation
997
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 Coupé
Porsche 911 GT3 RS
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
3.8 L / 186 cu in
316 hp
at 5800 rpm
Power
444 hp
at 7900 rpm
BMW 640i Coupé
316 hp
444 hp
Porsche 911 GT3 RS
332 lb‑ft
at 1300 rpm
Max. Torque
317 lb‑ft
at 6750 rpm
BMW 640i Coupé
332 lb‑ft
317 lb‑ft
Porsche 911 GT3 RS

Performance

BMW 640i Coupé
Porsche 911 GT3 RS
155 mph
Maximum Speed
193 mph
5.3 sec
Acceleration 0 to 62 mph
4 sec
62 mph 62
mph

243 ft
0.000 sec

BMW 640i Coupé

62 mph 62
mph

184 ft
0.000 sec

Porsche 911 GT3 RS

▶ REPLAY
12.28 lb/hp
Weight-to-Power Ratio
7.18 lb/hp
BMW 640i Coupé
12.28 lb/hp
7.18 lb/hp
Porsche 911 GT3 RS

Fuel Economy / Emissions

BMW 640i Coupé
Porsche 911 GT3 RS
Fuel Economy
31 mpg
combined
18 mpg
BMW 640i Coupé
31 mpg
18 mpg
Porsche 911 GT3 RS
22 mpg
city
12 mpg
No data
highway
25 mpg
Kraftstoffanzeige
18.5 gal
Fuel Tank Capacity
17.7 gal
Kraftstoffanzeige
572 mi
Range
316 mi
BMW 640i Coupé
572 mi
316 mi
Porsche 911 GT3 RS
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).
250.1 kWh
BMW 640i Coupé
144 kWh
250.1 kWh
Porsche 911 GT3 RS
Euro 6b (NEFZ)
Emission Standard
Euro 5
285 g/mi (NEFZ)
CO2 Emissions
505 g/mi (NEFZ)

Practical Convenience

BMW 640i Coupé
Porsche 911 GT3 RS
2
Doors
2
4
No. of Seats
4
992 lb
Maximum Payload
518 lb
13 cu ft
Trunk Volume
3 cu ft
No data
Cargo Volume (Seats Down)
No data