The Comparative Analysis :

Porsche 911 GT3 RS 4.0 (11 - 12) vs. BMW 640i Gran Coupé Steptronic (15 - 18)

€ 178,600
Porsche 911 GT3 RS 4.0 (11 - 12) Porsche 911 GT3 RS 4.0
€ 84,900
 BMW 640i Gran Coupé Steptronic (15 - 18) BMW 640i Gran Coupé
€ 178,600
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 84,900

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

Vehicle Dimensions

The Porsche 911 GT3 RS 4.0 is significantly smaller in every dimension. It's 21.5 inches shorter, 1.7 inches narrower and 4.4 inches lower than the BMW 640i Gran Coupé.
Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
50.4
Blueprint Porsche 911 GT3 RS 4.0 (11 - 12)
72.9
80.8
54.8
Blueprint BMW 640i Gran Coupé Steptronic (15 - 18)
74.6
81.9
72.9 in
Width
74.6 in
80.8 in
Width Incl. Mirrors
81.9 in
50.4 in
Height
54.8 in
Blueprint Porsche 911 GT3 RS 4.0 (11 - 12)
92.7
175.6
Blueprint BMW 640i Gran Coupé Steptronic (15 - 18)
116.9
197.1
175.6 in
Length
197.1 in
92.7 in
Wheelbase
116.9 in

Vehicle Weight

Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
3164 lb
Curb Weight
4023 lb
3704 lb
Gross Vehicle
Weight
5203 lb
Porsche 911 GT3 RS 4.0 (11 - 12)
Weight Difference:
860 lb
21.37 %
BMW 640i Gran Coupé Steptronic (15 - 18)

General

Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
997
Generation
F06
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
Rear-wheel drive
Drivetrain
Rear-wheel drive
6-speed manual transmission
Transmission
8-speed automatic transmission

Engine

Porsche 911 GT3 RS 4.0
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 RS 4.0
493 hp
316 hp
BMW 640i Gran Coupé
339 lb‑ft
at 5750 rpm
Max. Torque
332 lb‑ft
at 1300 rpm
Porsche 911 GT3 RS 4.0
339 lb‑ft
332 lb‑ft
BMW 640i Gran Coupé

Performance

Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
193 mph
Maximum Speed
155 mph
3.9 sec
Acceleration 0 to 62 mph
5.4 sec
62 mph 62
mph

177 ft
0.000 sec

Porsche 911 GT3 RS 4.0

62 mph 62
mph

246 ft
0.000 sec

BMW 640i Gran Coupé

▶ REPLAY
6.42 lb/hp
Weight-to-Power Ratio
12.73 lb/hp
Porsche 911 GT3 RS 4.0
6.42 lb/hp
12.73 lb/hp
BMW 640i Gran Coupé

Fuel Economy / Emissions

Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
Fuel Economy
17 mpg
combined
31 mpg
Porsche 911 GT3 RS 4.0
17 mpg
31 mpg
BMW 640i Gran Coupé
12 mpg
city
22 mpg
24 mpg
highway
No data
Kraftstoffanzeige
17.7 gal
Fuel Tank Capacity
18.5 gal
Kraftstoffanzeige
302 mi
Range
572 mi
Porsche 911 GT3 RS 4.0
302 mi
572 mi
BMW 640i Gran Coupé
Environmental Impact
261.5 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).
144 kWh
Porsche 911 GT3 RS 4.0
261.5 kWh
144 kWh
BMW 640i Gran Coupé
Euro 5
Emission Standard
Euro 6b (NEFZ)
525 g/mi (NEFZ)
CO2 Emissions
286 g/mi (NEFZ)

Practical Convenience

Porsche 911 GT3 RS 4.0
BMW 640i Gran Coupé
2
Doors
4
4
No. of Seats
5
540 lb
Maximum Payload
1179 lb
3 cu ft
Trunk Volume
13 cu ft
No data
Cargo Volume (Seats Down)
No data