The Comparative Analysis :
BMW i8 Coupé (14 - 18) vs. Porsche 911 Carrera Coupé 4S (12 - 15)
€ 134,000

€ 126,100

€ 134,000
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 dimensions of these vehicles differ considerably. The BMW i8 Coupé is 7.8 inches longer, 3.5 inches wider and 0.1 inches lower than the Porsche 911 Carrera Coupé 4S.
BMW i8 Coupé
Porsche 911 Carrera Coupé 4S
50.9
76.5
87.3
51
72.9
77.9
76.5 in
Width
72.9 in
87.3 in
Width Incl. Mirrors
77.9 in
50.9 in
Height
51 in
110.2
184.6
96.5
176.8
184.6 in
Length
176.8 in
110.2 in
Wheelbase
96.5 in
Vehicle Weight
BMW i8 Coupé
Porsche 911 Carrera Coupé 4S
3439 lb
Curb Weight
3351 lb
4090 lb
Gross Vehicle
Weight
Weight
4134 lb

Weight Difference:
88 lb
2.56 %

General
BMW i8 Coupé
Porsche 911 Carrera Coupé 4S
I12
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded

On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Permanent all-wheel drive (AWD)

6-speed automatic transmission
Transmission
7-speed manual transmission
Engine
BMW i8 Coupé
Porsche 911 Carrera Coupé 4S
3-cylinder plug-in hybrid gasoline engine with turbocharger
Engine Type
6-cylinder boxer gasoline engine (naturally aspirated engine)
BMW B38
Engine Series
B38-K15
Engine Code
4
Valves
4
3
Cylinders
6
1.5 L / 73 cu in
Displacement
3.8 L / 186 cu in
357 hp
at 5800 rpm
Power
424 hp
at 7500 rpm
BMW i8 Coupé
357 hp
424 hp
Porsche 911 Carrera Coupé 4S
420 lb‑ft
at 3700 rpm
Max. Torque
325 lb‑ft
at 5750 rpm
BMW i8 Coupé
420 lb‑ft
325 lb‑ft
Porsche 911 Carrera Coupé 4S
Performance
BMW i8 Coupé
Porsche 911 Carrera Coupé 4S
155 mph
Maximum Speed
188 mph
4.4 sec
Acceleration 0 to 62 mph
4.4 sec
62 mph
62
mph
mph
200 ft
0.000 sec

BMW i8 Coupé
62 mph
62
mph
mph
200 ft
0.000 sec

Porsche 911 Carrera Coupé 4S
▶ REPLAY
9.63 lb/hp
Weight-to-Power Ratio
7.9 lb/hp
BMW i8 Coupé
9.63 lb/hp
7.9 lb/hp
Porsche 911 Carrera Coupé 4S
Fuel Economy / Emissions
BMW i8 Coupé
Porsche 911 Carrera Coupé 4S
Fuel Economy
112 mpg
combined
24 mpg
BMW i8 Coupé
112 mpg
24 mpg
Porsche 911 Carrera Coupé 4S
No data
city
17 mpg
No data
highway
31 mpg
7.9 gal
Fuel Tank Capacity
18 gal
888 mi
Range
427 mi
BMW i8 Coupé
888 mi
427 mi
Porsche 911 Carrera Coupé 4S
Environmental Impact
39.8 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).
187.5 kWh
BMW i8 Coupé
39.8 kWh
187.5 kWh
Porsche 911 Carrera Coupé 4S
Euro 6b (NEFZ)
Emission Standard
Euro 5 / Euro 6
79 g/mi (NEFZ)
CO2 Emissions
377 g/mi (NEFZ)
Practical Convenience
BMW i8 Coupé
Porsche 911 Carrera Coupé 4S
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
783 lb
4.4 cu ft
Trunk Volume
3.5 cu ft



No data
Cargo Volume (Seats Down)
No data