The Comparative Analysis :
Porsche 911 Carrera Coupé 4 PDK (08 - 12) vs. BMW 840i Gran Coupé xDrive Steptronic (19 - ..)
€ 95,800
€ 94,800
€ 95,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 94,800
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche 911 Carrera Coupé 4 is significantly smaller in every dimension. It's 25.5 inches shorter, 3.1 inches narrower and 3.8 inches lower than the BMW 840i Gran Coupé.
Porsche 911 Carrera Coupé 4
BMW 840i Gran Coupé
51.6
72.9
80.8
55.4
76.1
84.1
72.9 in
Width
76.1 in
80.8 in
Width Incl. Mirrors
84.1 in
51.6 in
Height
55.4 in
92.5
174.6
119
200.1
174.6 in
Length
200.1 in
92.5 in
Wheelbase
119 in
Vehicle Weight
Porsche 911 Carrera Coupé 4
BMW 840i Gran Coupé
3472 lb
Curb Weight
4255 lb
4189 lb
Gross Vehicle
Weight
Weight
5467 lb
Weight Difference:
783 lb
18.4 %
General
Porsche 911 Carrera Coupé 4
BMW 840i Gran Coupé
997
Generation
G16
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

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

7-speed dual clutch transmission
Transmission
8-speed automatic transmission
Engine
Porsche 911 Carrera Coupé 4
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
3.6 L / 176 cu in
Displacement
3 L / 147 cu in
340 hp
at 6500 rpm
Power
335 hp
at 5000 rpm
Porsche 911 Carrera Coupé 4
340 hp
335 hp
BMW 840i Gran Coupé
288 lb‑ft
at 4400 rpm
Max. Torque
369 lb‑ft
at 1600 rpm
Porsche 911 Carrera Coupé 4
288 lb‑ft
369 lb‑ft
BMW 840i Gran Coupé
Performance
Porsche 911 Carrera Coupé 4
BMW 840i Gran Coupé
175 mph
Maximum Speed
155 mph
4.8 sec
Acceleration 0 to 62 mph
4.9 sec
62 mph
62
mph
mph
220 ft
0.000 sec
Porsche 911 Carrera Coupé 4
62 mph
62
mph
mph
223 ft
0.000 sec
BMW 840i Gran Coupé
▶ REPLAY
10.21 lb/hp
Weight-to-Power Ratio
12.7 lb/hp
Porsche 911 Carrera Coupé 4
10.21 lb/hp
12.7 lb/hp
BMW 840i Gran Coupé
Fuel Economy / Emissions
Porsche 911 Carrera Coupé 4
BMW 840i Gran Coupé
Fuel Economy
23 mpg
combined
31 mpg
Porsche 911 Carrera Coupé 4
23 mpg
31 mpg
BMW 840i Gran Coupé
15 mpg
city
25 mpg
33 mpg
highway
No data
17.7 gal
Fuel Tank Capacity
18 gal
412 mi
Range
564 mi
Porsche 911 Carrera Coupé 4
412 mi
564 mi
BMW 840i Gran Coupé
Environmental Impact
191.4 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).
142.1 kWh
Porsche 911 Carrera Coupé 4
191.4 kWh
142.1 kWh
BMW 840i Gran Coupé
Euro 5
Emission Standard
Euro 6d-TEMP-EVAP-ISC (WLTP)
381 g/mi (NEFZ)
CO2 Emissions
327 g/mi (WLTP)
Practical Convenience
Porsche 911 Carrera Coupé 4
BMW 840i Gran Coupé
2
Doors
4
4
No. of Seats
5
717 lb
Maximum Payload
1213 lb
3 cu ft
Trunk Volume
12.5 cu ft






No data
Cargo Volume (Seats Down)
No data





















