Oldsmobile Ninety-Eight II vs Porsche Cayman
The Cayman costs less to run, by the official figures: about $490 a year less in Australia.

Side by side
Specs are for each car's newest version. The better figure is in green.
A typical year's fuel
- Australia
- $3,117
- $2,626 (better)
- New Zealand
- $2,523 (better)
- $3,169
- United Kingdom
- £2,205
- £1,925 (better)
- United States
- $3,488
- $2,449 (better)
Official figures
- Uses
- 9.8 L/100km
- 9.8 L/100km
- On a full tank
- –
- 653 km
Space
- Seats
- –
- 2
- Boot
- –
- 275 L
- Length
- –
- 4,379 mm
- Weight
- –
- 1,335 kg
Engine
- Engine
- –
- 2.0 L flat-4 turbo petrol
- Power
- –
- 220 kW
- Torque
- –
- 380 Nm
- Gearbox
- –
- 6-speed manual
- Drive
- –
- 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.
Ninety-Eight II or Cayman?
Which is cheaper to run, the Oldsmobile Ninety-Eight II or the Porsche Cayman?
The Porsche Cayman: about $490 a year less in Australia than the Oldsmobile Ninety-Eight II at today's average prices and a typical year's driving.
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.
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