The Comparative Analysis :

BMW 840i Coupé xDrive Steptronic (19 - ..) vs. Porsche 911 Carrera Coupé 4S (12 - 15)

€ 97,800
BMW 840i Coupé xDrive Steptronic (19 - ..) BMW 840i Coupé
€ 126,100
 Porsche 911 Carrera Coupé 4S (12 - 15) Porsche 911 Carrera Coupé 4S
€ 97,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 126,100

ⓘ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 13.9 inches longer, 2 inches wider and 1.8 inches taller than the Porsche 911 Carrera Coupé 4S.
BMW 840i Coupé
Porsche 911 Carrera Coupé 4S
52.8
Blueprint BMW 840i Coupé xDrive Steptronic (19 - ..)
74.9
84.1
51
Blueprint Porsche 911 Carrera Coupé 4S (12 - 15)
72.9
77.9
74.9 in
Width
72.9 in
84.1 in
Width Incl. Mirrors
77.9 in
52.8 in
Height
51 in
Blueprint BMW 840i Coupé xDrive Steptronic (19 - ..)
111.1
190.7
Blueprint Porsche 911 Carrera Coupé 4S (12 - 15)
96.5
176.8
190.7 in
Length
176.8 in
111.1 in
Wheelbase
96.5 in

Vehicle Weight

BMW 840i Coupé
Porsche 911 Carrera Coupé 4S
4068 lb
Curb Weight
3351 lb
5027 lb
Gross Vehicle
Weight
4134 lb
BMW 840i Coupé xDrive Steptronic (19 - ..)
Weight Difference:
717 lb
17.63 %
Porsche 911 Carrera Coupé 4S (12 - 15)

General

BMW 840i Coupé
Porsche 911 Carrera Coupé 4S
G15
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 manual transmission

Engine

BMW 840i 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
424 hp
at 7500 rpm
BMW 840i Coupé
335 hp
424 hp
Porsche 911 Carrera Coupé 4S
369 lb‑ft
at 1600 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
BMW 840i Coupé
369 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé 4S

Performance

BMW 840i Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
188 mph
4.7 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph 62
mph

213 ft
0.000 sec

BMW 840i Coupé

62 mph 62
mph

200 ft
0.000 sec

Porsche 911 Carrera Coupé 4S

▶ REPLAY
12.14 lb/hp
Weight-to-Power Ratio
7.9 lb/hp
BMW 840i Coupé
12.14 lb/hp
7.9 lb/hp
Porsche 911 Carrera Coupé 4S

Fuel Economy / Emissions

BMW 840i Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
31 mpg
combined
24 mpg
BMW 840i Coupé
31 mpg
24 mpg
Porsche 911 Carrera Coupé 4S
25 mpg
city
17 mpg
No data
highway
31 mpg
Kraftstoffanzeige
18 gal
Fuel Tank Capacity
18 gal
Kraftstoffanzeige
564 mi
Range
427 mi
BMW 840i Coupé
564 mi
427 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).
187.5 kWh
BMW 840i Coupé
142.1 kWh
187.5 kWh
Porsche 911 Carrera Coupé 4S
Euro 6d-TEMP-EVAP-ISC (WLTP)
Emission Standard
Euro 5 / Euro 6
323 g/mi (WLTP)
CO2 Emissions
377 g/mi (NEFZ)

Practical Convenience

BMW 840i Coupé
Porsche 911 Carrera Coupé 4S
2
Doors
2
4
No. of Seats
4
959 lb
Maximum Payload
783 lb
11.9 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data