Comparison: 2014 Porsche Cayenne Turbo S VS 2014 Audi R8 Spyder VS 2011 Bentley Continental Supersports Convertible
Fuel Type
Premium Gasoline
Premium Gasoline
Premium Gasoline + E85
Fuel Economy Highway
20 mpg
23 mpg
19 mpg
Fuel Economy City
14 mpg
14 mpg
12 mpg
Fuel Economy Combined
16 mpg
17 mpg
14 mpg
Engine Type
8 cyl, 4.8 L
8 cyl, 4.2 L
12 cyl, 6.0 L
Transmission
Automatic 8-spd
Auto(AM-S7)
Automatic (S6)
Annual Fuel Cost
$3700
$3550
$8700
Vehicle Size Class
Standard Sport Utility Vehicle 4WD
Two Seaters
Subcompact Cars
Fuel Type
Premium Gasoline
Fuel Economy Highway
20 mpg
Fuel Economy City
14 mpg
Fuel Economy Combined
16 mpg
Engine Type
8 cyl, 4.8 L
Transmission
Automatic 8-spd
Annual Fuel Cost
$3700
Vehicle Size Class
Standard Sport Utility Vehicle 4WD
Fuel Type
Premium Gasoline
Fuel Economy Highway
23 mpg
Fuel Economy City
14 mpg
Fuel Economy Combined
17 mpg
Engine Type
8 cyl, 4.2 L
Transmission
Auto(AM-S7)
Annual Fuel Cost
$3550
Vehicle Size Class
Two Seaters
Fuel Type
Premium Gasoline + E85
Fuel Economy Highway
19 mpg
Fuel Economy City
12 mpg
Fuel Economy Combined
14 mpg
Engine Type
12 cyl, 6.0 L
Transmission
Automatic (S6)
Annual Fuel Cost
$8700
Vehicle Size Class
Subcompact Cars