The Comparative Analysis :
BMW 840i Coupé xDrive Steptronic (19 - ..) vs. Porsche 911 GT3 RS PDK (15 - 17)
€ 97,800

€ 181,700

€ 97,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 181,700
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 840i Coupé is considerably bigger in every dimension. It's 11.7 inches longer, 0.9 inches wider and 2 inches taller than the Porsche 911 GT3 RS.
BMW 840i Coupé
Porsche 911 GT3 RS
52.8
74.9
84.1
50.8
74
77.9
74.9 in
Width
74 in
84.1 in
Width Incl. Mirrors
77.9 in
52.8 in
Height
50.8 in
111.1
190.7
96.7
178.9
190.7 in
Length
178.9 in
111.1 in
Wheelbase
96.7 in
Vehicle Weight
BMW 840i Coupé
Porsche 911 GT3 RS
4068 lb
Curb Weight
3296 lb
5027 lb
Gross Vehicle
Weight
Weight
3792 lb

Weight Difference:
772 lb
18.98 %

General
BMW 840i Coupé
Porsche 911 GT3 RS
G15
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 840i Coupé
Porsche 911 GT3 RS
Straight-six gasoline engine with turbocharger
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
BMW B58
Engine Series
B58-B30
Engine Code

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
4 L / 196 cu in
335 hp
at 5000 rpm
Power
493 hp
at 8250 rpm
BMW 840i Coupé
335 hp
493 hp
Porsche 911 GT3 RS
369 lb‑ft
at 1600 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
BMW 840i Coupé
369 lb‑ft
339 lb‑ft
Porsche 911 GT3 RS
Performance
BMW 840i Coupé
Porsche 911 GT3 RS
155 mph
Maximum Speed
193 mph
4.7 sec
Acceleration 0 to 62 mph
3.3 sec
62 mph
62
mph
mph
213 ft
0.000 sec

BMW 840i Coupé
62 mph
62
mph
mph
151 ft
0.000 sec

Porsche 911 GT3 RS
▶ REPLAY
12.14 lb/hp
Weight-to-Power Ratio
6.69 lb/hp
BMW 840i Coupé
12.14 lb/hp
6.69 lb/hp
Porsche 911 GT3 RS
Fuel Economy / Emissions
BMW 840i Coupé
Porsche 911 GT3 RS
Fuel Economy
31 mpg
combined
19 mpg
BMW 840i Coupé
31 mpg
19 mpg
Porsche 911 GT3 RS
25 mpg
city
12 mpg
No data
highway
26 mpg
18 gal
Fuel Tank Capacity
16.9 gal
564 mi
Range
313 mi
BMW 840i Coupé
564 mi
313 mi
Porsche 911 GT3 RS
Environmental Impact
142.1 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).
240.6 kWh
BMW 840i Coupé
142.1 kWh
240.6 kWh
Porsche 911 GT3 RS
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6b (NEFZ)
323 g/mi (WLTP)
CO2 Emissions
476 g/mi (NEFZ)
Practical Convenience
BMW 840i Coupé
Porsche 911 GT3 RS
2
Doors
2
4
No. of Seats
4
959 lb
Maximum Payload
496 lb
11.9 cu ft
Trunk Volume
3.5 cu ft





No data
Cargo Volume (Seats Down)
No data