The Comparative Analysis :
Porsche 911 Carrera Coupé S PDK (11 - 15) vs. BMW 840i Gran Coupé Steptronic (19 - ..)
€ 108,700

€ 91,500

€ 108,700
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 91,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Coupé S is significantly smaller in every dimension. It's 23.3 inches shorter, 4.9 inches narrower and 4.4 inches lower than the BMW 840i Gran Coupé.
Porsche 911 Carrera Coupé S
BMW 840i Gran Coupé
51
71.2
77.9
55.4
76.1
84.1
71.2 in
Width
76.1 in
77.9 in
Width Incl. Mirrors
84.1 in
51 in
Height
55.4 in
96.5
176.8
119
200.1
176.8 in
Length
200.1 in
96.5 in
Wheelbase
119 in
Vehicle Weight
Porsche 911 Carrera Coupé S
BMW 840i Gran Coupé
3285 lb
Curb Weight
4134 lb
4079 lb
Gross Vehicle
Weight
Weight
5368 lb

Weight Difference:
849 lb
20.54 %

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

Rear-wheel drive
Drivetrain
Rear-wheel drive

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Carrera Coupé S
BMW 840i Gran Coupé
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
Straight-six gasoline engine with turbocharger
Engine Series
BMW B58
Engine Code
B58-B30

4
Valves
4
6
Cylinders
6
3.8 L / 186 cu in
Displacement
3 L / 147 cu in
395 hp
at 7400 rpm
Power
335 hp
at 5000 rpm
Porsche 911 Carrera Coupé S
395 hp
335 hp
BMW 840i Gran Coupé
325 lb‑ft
at 5600 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Porsche 911 Carrera Coupé S
325 lb‑ft
369 lb‑ft
BMW 840i Gran Coupé
Performance
Porsche 911 Carrera Coupé S
BMW 840i Gran Coupé
188 mph
Maximum Speed
155 mph
4.3 sec
Acceleration 0 to 62 mph
5.2 sec
62 mph
62
mph
mph
197 ft
0.000 sec

Porsche 911 Carrera Coupé S
62 mph
62
mph
mph
236 ft
0.000 sec

BMW 840i Gran Coupé
▶ REPLAY
8.32 lb/hp
Weight-to-Power Ratio
12.34 lb/hp
Porsche 911 Carrera Coupé S
8.32 lb/hp
12.34 lb/hp
BMW 840i Gran Coupé
Fuel Economy / Emissions
Porsche 911 Carrera Coupé S
BMW 840i Gran Coupé
Fuel Economy
27 mpg
combined
33 mpg
Porsche 911 Carrera Coupé S
27 mpg
33 mpg
BMW 840i Gran Coupé
19 mpg
city
26 mpg
35 mpg
highway
No data
16.9 gal
Fuel Tank Capacity
18 gal
457 mi
Range
587 mi
Porsche 911 Carrera Coupé S
457 mi
587 mi
BMW 840i Gran Coupé
Environmental Impact
164.8 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).
136.5 kWh
Porsche 911 Carrera Coupé S
164.8 kWh
136.5 kWh
BMW 840i Gran Coupé
Euro 5 / Euro 6
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
330 g/mi (NEFZ)
CO2 Emissions
309 g/mi (WLTP)
Practical Convenience
Porsche 911 Carrera Coupé S
BMW 840i Gran Coupé
2
Doors
4
4
No. of Seats
5
794 lb
Maximum Payload
1235 lb
4.1 cu ft
Trunk Volume
12.5 cu ft






No data
Cargo Volume (Seats Down)
No data