The Comparative Analysis :
BMW i8 Coupé (14 - 18) vs. Porsche 911 Carrera Coupé 4 GTS (17 - 18)
€ 134,000

€ 133,100

€ 134,000
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 i8 Coupé is considerably bigger in every dimension. It's 6.3 inches longer, 3.5 inches wider and 0.4 inches taller than the Porsche 911 Carrera Coupé 4 GTS.
BMW i8 Coupé
Porsche 911 Carrera Coupé 4 GTS
50.9
76.5
87.3
50.6
72.9
77.9
76.5 in
Width
72.9 in
87.3 in
Width Incl. Mirrors
77.9 in
50.9 in
Height
50.6 in
110.2
184.6
96.5
178.3
184.6 in
Length
178.3 in
110.2 in
Wheelbase
96.5 in
Vehicle Weight
BMW i8 Coupé
Porsche 911 Carrera Coupé 4 GTS
3439 lb
Curb Weight
3461 lb
4090 lb
Gross Vehicle
Weight
Weight
4299 lb

Weight Difference:
22 lb
0.64 %

General
BMW i8 Coupé
Porsche 911 Carrera Coupé 4 GTS
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 4 GTS
3-cylinder plug-in hybrid gasoline engine with turbocharger
Engine Type
6-cylinder boxer gasoline engine with two turbochargers (biturbo)
BMW B38
Engine Series
B38-K15
Engine Code
4
Valves
4
3
Cylinders
6
1.5 L / 73 cu in
Displacement
3 L / 147 cu in
357 hp
at 5800 rpm
Power
444 hp
at 6500 rpm
BMW i8 Coupé
357 hp
444 hp
Porsche 911 Carrera Coupé 4 GTS
420 lb‑ft
at 3700 rpm
Max. Torque
406 lb‑ft
at 2150 rpm
BMW i8 Coupé
420 lb‑ft
406 lb‑ft
Porsche 911 Carrera Coupé 4 GTS
Performance
BMW i8 Coupé
Porsche 911 Carrera Coupé 4 GTS
155 mph
Maximum Speed
193 mph
4.4 sec
Acceleration 0 to 62 mph
4 sec
62 mph
62
mph
mph
200 ft
0.000 sec

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

Porsche 911 Carrera Coupé 4 GTS
▶ REPLAY
9.63 lb/hp
Weight-to-Power Ratio
7.8 lb/hp
BMW i8 Coupé
9.63 lb/hp
7.8 lb/hp
Porsche 911 Carrera Coupé 4 GTS
Fuel Economy / Emissions
BMW i8 Coupé
Porsche 911 Carrera Coupé 4 GTS
Fuel Economy
112 mpg
combined
25 mpg
BMW i8 Coupé
112 mpg
25 mpg
Porsche 911 Carrera Coupé 4 GTS
No data
city
18 mpg
No data
highway
32 mpg
7.9 gal
Fuel Tank Capacity
17.7 gal
888 mi
Range
438 mi
BMW i8 Coupé
888 mi
438 mi
Porsche 911 Carrera Coupé 4 GTS
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).
179.9 kWh
BMW i8 Coupé
39.8 kWh
179.9 kWh
Porsche 911 Carrera Coupé 4 GTS
Euro 6b (NEFZ)
Emission Standard
Euro 6c (NEFZ) 36ZA-ZF
79 g/mi (NEFZ)
CO2 Emissions
348 g/mi (NEFZ)
Practical Convenience
BMW i8 Coupé
Porsche 911 Carrera Coupé 4 GTS
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
838 lb
4.4 cu ft
Trunk Volume
3.5 cu ft



No data
Cargo Volume (Seats Down)
No data