The Comparative Analysis :
Porsche Cayman GTS (14 - 16) vs. Fisker Karma (11 - 12)
€ 73,800

€ 118,500

€ 73,800
Base Price ⓘBase price of a new vehicle with standard equipment in Germany at market launch.
€ 118,500
ⓘBase price of a new vehicle with standard equipment in Germany at market launch. Price Info
Vehicle Dimensions
The Porsche Cayman GTS is significantly smaller in every dimension. It's 23.4 inches shorter, 7.2 inches narrower and 1.8 inches lower than the Fisker Karma.
Porsche Cayman GTS
Fisker Karma
50.6
70.9
77.9
52.4
78.1
86
70.9 in
Width
78.1 in
77.9 in
Width Incl. Mirrors
86 in
50.6 in
Height
52.4 in
97.4
173.4
124.4
196.8
173.4 in
Length
196.8 in
97.4 in
Wheelbase
124.4 in
Vehicle Weight
Porsche Cayman GTS
Fisker Karma
3131 lb
Curb Weight
5523 lb
3671 lb
Gross Vehicle
Weight
Weight
6100 lb

Weight Difference:
2392 lb
43.31 %

General
Porsche Cayman GTS
Fisker Karma
981C
Generation
No data
Coupe
Car Body Style
Coupe
Premium Unleaded
Fuel Type
Electricity

Rear-wheel drive
Drivetrain
Rear-wheel drive

6-speed manual transmission
Transmission
Continuously variable transmission (CVT)
Engine
Porsche Cayman GTS
Fisker Karma
6-cylinder boxer gasoline engine (naturally aspirated engine)
Engine Type
4-cylinder plug-in hybrid gasoline engine (naturally aspirated engine)
4
Valves
4
6
Cylinders
4
3.4 L / 166 cu in
Displacement
2 L / 98 cu in
335 hp
at 7400 rpm
Power
402 hp
at 0 rpm
Porsche Cayman GTS
335 hp
402 hp
Fisker Karma
280 lb‑ft
at 4750 rpm
Max. Torque
959 lb‑ft
at 1 rpm
Porsche Cayman GTS
280 lb‑ft
959 lb‑ft
Fisker Karma
Performance
Porsche Cayman GTS
Fisker Karma
177 mph
Maximum Speed
124 mph
4.9 sec
Acceleration 0 to 62 mph
6.6 sec
62 mph
62
mph
mph
223 ft
0.000 sec

Porsche Cayman GTS
62 mph
62
mph
mph
302 ft
0.000 sec

Fisker Karma
▶ REPLAY
9.35 lb/hp
Weight-to-Power Ratio
13.74 lb/hp
Porsche Cayman GTS
9.35 lb/hp
13.74 lb/hp
Fisker Karma
Fuel Economy / Emissions
Porsche Cayman GTS
Fisker Karma
Fuel Economy
26 mpg
combined ✽ per 100 miles
33 kWh✽
( 101 MPGe ⓘ Miles per gallon gasoline equivalent (MPGe) is a measure of the average distance traveled per unit of energy consumed. MPGe, specified in miles per U.S. gallon, is used to compare the energy consumption of vehicles that use different energy sources.)
Porsche Cayman GTS
26 mpg
101 MPGe
Fisker Karma
19 mpg
city
No data
33 mpg
highway
No data
16.9 gal
Fuel Tank Capacity
20 kWh
442 mi
Range
60 mi
Porsche Cayman GTS
442 mi
60 mi
Fisker Karma
Environmental Impact
170.4 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).
66.9 kWh
Porsche Cayman GTS
170.4 kWh
66.9 kWh
Fisker Karma
Euro 6b (NEFZ)
Emission Standard
Euro 5
340 g/mi (NEFZ)
CO2 Emissions
85 g/mi (NEFZ)
Practical Convenience
Porsche Cayman GTS
Fisker Karma
2
Doors
4
2
No. of Seats
4
540 lb
Maximum Payload
578 lb
9.5 cu ft
Trunk Volume
5.5 cu ft






No data
Cargo Volume (Seats Down)
No data