Acura RSX vs Porsche Cayman

The RSX costs less to run, by the official figures: about $100 a year less in the US.

Acura RSXPorsche Cayman

Side by side

Specs are for each car's newest version. The better figure is in green.

Acura RSXPorsche Cayman

A typical year's fuel

United States
$2,351 (better)
$2,449
New Zealand
$3,043 (better)
$3,169
Australia
$2,524 (better)
$2,626
United Kingdom
£1,849 (better)
£1,925

Official figures

Uses
25 mpg (better)
24 mpg
Also
9.4 L/100km (better)
9.8 L/100km
On a full tank
330 miles
406 miles (better)

Space

Seats
4
2
Boot
–
275 L
Length
4,366 mm
4,379 mm
Weight
–
1,335 kg

Engine

Engine
2.0 L 4-cylinder petrol
2.0 L flat-4 turbo petrol
Power
116 kW
220 kW (better)
Torque
190 Nm
380 Nm (better)
Gearbox
5-speed manual
6-speed manual
Drive
FWD
RWD

A typical year: New Zealand 11,000 km (Ministry of Transport's average for a light vehicle); Australia 11,100 km (ABS Survey of Motor Vehicle Use average); United Kingdom 11,265 km (DfT National Travel Survey average of about 7,000 miles); United States 21,726 km (FHWA average of about 13,500 miles). Real costs depend on how and where you drive. Work out a particular trip.

RSX or Cayman?

Which is cheaper to run, the Acura RSX or the Porsche Cayman?

The Acura RSX: about $100 a year less in the US than the Porsche Cayman at today's average prices and a typical year's driving.

Which uses less fuel, the Acura RSX or the Porsche Cayman?

The Acura RSX, at 9.4 L/100km (30 mpg UK, 25 mpg US) to the Porsche Cayman's 9.8 L/100km (29 mpg UK, 24 mpg US), by their latest official figures.

Each on its own

Other comparisons

What will the drive cost?

Roadtrip works out the fuel or charging cost of any drive for your exact car, finds the cheapest stations on the way, and splits it between everyone in the car.

Rated 4.7 by drivers · 700,000 downloads

The Roadtrip app showing a drive into London that costs £4.81 each, with fuel prices along the way