The Comparative Analysis :
BMW 840i Gran Coupé Steptronic (19 - ..) vs. Porsche 911 Carrera Coupé 4S PDK (17 - 18)
€ 91,500

€ 133,100

€ 91,500
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 133,100
ⓘ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 inches longer, 3.1 inches wider and 4.3 inches taller than the Porsche 911 Carrera Coupé 4S.
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
55.4
76.1
84.1
51.1
72.9
77.9
76.1 in
Width
72.9 in
84.1 in
Width Incl. Mirrors
77.9 in
55.4 in
Height
51.1 in
119
200.1
96.5
177.1
200.1 in
Length
177.1 in
119 in
Wheelbase
96.5 in
Vehicle Weight
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
4134 lb
Curb Weight
3494 lb
5368 lb
Gross Vehicle
Weight
Weight
4332 lb

Weight Difference:
639 lb
15.46 %

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

Rear-wheel drive
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 with two turbochargers (biturbo)
BMW B58
Engine Series
B58-B30
Engine Code

4
Valves
4
6
Cylinders
6
3 L / 147 cu in
Displacement
3 L / 147 cu in
335 hp
at 5000 rpm
Power
444 hp
at 6500 rpm
BMW 840i Gran Coupé
335 hp
444 hp
Porsche 911 Carrera Coupé 4S
369 lb‑ft
at 1600 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
BMW 840i Gran Coupé
369 lb‑ft
406 lb‑ft
Porsche 911 Carrera Coupé 4S
Performance
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
191 mph
5.2 sec
Acceleration 0 to 62 mph
3.6 sec
62 mph
62
mph
mph
236 ft
0.000 sec

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

Porsche 911 Carrera Coupé 4S
▶ REPLAY
12.34 lb/hp
Weight-to-Power Ratio
7.87 lb/hp
BMW 840i Gran Coupé
12.34 lb/hp
7.87 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
33 mpg
combined
28 mpg
BMW 840i Gran Coupé
33 mpg
28 mpg
Porsche 911 Carrera Coupé 4S
26 mpg
city
22 mpg
No data
highway
33 mpg
18 gal
Fuel Tank Capacity
18 gal
587 mi
Range
497 mi
BMW 840i Gran Coupé
587 mi
497 mi
Porsche 911 Carrera Coupé 4S
Environmental Impact
136.5 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).
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).
161.1 kWh
BMW 840i Gran Coupé
136.5 kWh
161.1 kWh
Porsche 911 Carrera Coupé 4S
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
309 g/mi (WLTP)
CO2 Emissions
309 g/mi (NEFZ)
Practical Convenience
BMW 840i Gran Coupé
Porsche 911 Carrera Coupé 4S
4
Doors
2
5
No. of Seats
4
1235 lb
Maximum Payload
838 lb
12.5 cu ft
Trunk Volume
3.5 cu ft





No data
Cargo Volume (Seats Down)
No data