The Comparative Analysis :
BMW 840i Gran Coupé xDrive Steptronic (19 - ..) vs. Porsche 911 Carrera Coupé 4S PDK (12 - 15)
€ 94,800

€ 115,800

€ 94,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 115,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The BMW 840i Gran Coupé is significantly bigger in every dimension. It's 23.3 inches longer, 3.1 inches wider and 4.4 inches taller than the Porsche 911 Carrera Coupé 4S.
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
55.4
76.1
84.1
51
72.9
77.9
76.1 in
Width
72.9 in
84.1 in
Width Incl. Mirrors
77.9 in
55.4 in
Height
51 in
119
200.1
96.5
176.8
200.1 in
Length
176.8 in
119 in
Wheelbase
96.5 in
Vehicle Weight
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
4255 lb
Curb Weight
3395 lb
5467 lb
Gross Vehicle
Weight
Weight
4178 lb

Weight Difference:
860 lb
20.21 %

General
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
G16
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

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

8-speed automatic transmission
Transmission
7-speed dual clutch transmission
Engine
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
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
3.8 L / 186 cu in
335 hp
at 5000 rpm
Power
395 hp
at 7400 rpm
BMW 840i Gran Coupé
335 hp
395 hp
Porsche 911 Carrera Coupé 4S
369 lb‑ft
at 1600 rpm
Max. Torque
325 lb‑ft
at 5600 rpm
BMW 840i Gran Coupé
369 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé 4S
Performance
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
185 mph
4.9 sec
Acceleration 0 to 62 mph
4.3 sec
62 mph
62
mph
mph
223 ft
0.000 sec

BMW 840i Gran Coupé
62 mph
62
mph
mph
197 ft
0.000 sec

Porsche 911 Carrera Coupé 4S
▶ REPLAY
12.7 lb/hp
Weight-to-Power Ratio
8.59 lb/hp
BMW 840i Gran Coupé
12.7 lb/hp
8.59 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
31 mpg
combined
26 mpg
BMW 840i Gran Coupé
31 mpg
26 mpg
Porsche 911 Carrera Coupé 4S
25 mpg
city
19 mpg
No data
highway
34 mpg
18 gal
Fuel Tank Capacity
18 gal
564 mi
Range
464 mi
BMW 840i Gran Coupé
564 mi
464 mi
Porsche 911 Carrera Coupé 4S
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).
172.4 kWh
BMW 840i Gran Coupé
142.1 kWh
172.4 kWh
Porsche 911 Carrera Coupé 4S
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5 / Euro 6
327 g/mi (WLTP)
CO2 Emissions
346 g/mi (NEFZ)
Practical Convenience
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
4
Doors
2
5
No. of Seats
4
1213 lb
Maximum Payload
783 lb
12.5 cu ft
Trunk Volume
3.5 cu ft





No data
Cargo Volume (Seats Down)
No data