The Comparative Analysis :
BMW i8 Coupé (18 - ..) vs. Porsche 911 GT3 (17 - 18)
€ 138,000
€ 152,400
€ 138,000
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 152,400
ⓘ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 5 inches longer, 3.5 inches wider and 0.8 inches taller than the Porsche 911 GT3.
BMW i8 Coupé
Porsche 911 GT3
50.8
76.5
87.3
50
72.9
77.9
76.5 in
Width
72.9 in
87.3 in
Width Incl. Mirrors
77.9 in
50.8 in
Height
50 in
110.2
184.6
96.7
179.6
184.6 in
Length
179.6 in
110.2 in
Wheelbase
96.7 in
Vehicle Weight
BMW i8 Coupé
Porsche 911 GT3
3549 lb
Curb Weight
3280 lb
4200 lb
Gross Vehicle
Weight
Weight
3880 lb
Weight Difference:
269 lb
7.58 %
General
BMW i8 Coupé
Porsche 911 GT3
I12
Generation
991
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Premium Unleaded
On-demand four-wheel drive (4WD) with automatic engagement
Drivetrain
Rear-wheel drive
6-speed automatic transmission
Transmission
6-speed manual transmission
Engine
BMW i8 Coupé
Porsche 911 GT3
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
4 L / 196 cu in
369 hp
at 5800 rpm
Power
493 hp
at 8250 rpm
BMW i8 Coupé
369 hp
493 hp
Porsche 911 GT3
420 lb‑ft
at 3700 rpm
Max. Torque
339 lb‑ft
at 6250 rpm
BMW i8 Coupé
420 lb‑ft
339 lb‑ft
Porsche 911 GT3
Performance
BMW i8 Coupé
Porsche 911 GT3
155 mph
Maximum Speed
199 mph
4.4 sec
Acceleration 0 to 62 mph
3.9 sec
62 mph
62
mph
mph
200 ft
0.000 sec
BMW i8 Coupé
62 mph
62
mph
mph
177 ft
0.000 sec
Porsche 911 GT3
▶ REPLAY
9.62 lb/hp
Weight-to-Power Ratio
6.65 lb/hp
BMW i8 Coupé
9.62 lb/hp
6.65 lb/hp
Porsche 911 GT3
Fuel Economy / Emissions
BMW i8 Coupé
Porsche 911 GT3
Fuel Economy
131 mpg
combined
18 mpg
BMW i8 Coupé
131 mpg
18 mpg
Porsche 911 GT3
No data
city
12 mpg
No data
highway
27 mpg
7.9 gal
Fuel Tank Capacity
16.9 gal
1036 mi
Range
308 mi
BMW i8 Coupé
1036 mi
308 mi
Porsche 911 GT3
Environmental Impact
34.1 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).
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).
244.5 kWh
BMW i8 Coupé
34.1 kWh
244.5 kWh
Porsche 911 GT3
Euro 6d-TEMP-EVAP (WLTP)
Emission Standard
Euro 6b (NEFZ)
77 g/mi (WLTP)
CO2 Emissions
467 g/mi (NEFZ)
Practical Convenience
BMW i8 Coupé
Porsche 911 GT3
3
Doors
2
4
No. of Seats
4
650 lb
Maximum Payload
600 lb
4.4 cu ft
Trunk Volume
3.5 cu ft
No data
Cargo Volume (Seats Down)
No data
