Audi TT vs Porsche Cayman
The TT costs less to run, by the official figures: about $190 a year less in the US.


Side by side
Specs are for each car's newest version. The better figure is in green.
A typical year's fuel
- United States
- $2,261 (better)
- $2,449
- New Zealand
- $2,927 (better)
- $3,169
- Australia
- $2,425 (better)
- $2,626
- United Kingdom
- £1,778 (better)
- £1,925
Official figures
- Uses
- 26 mpg (better)
- 24 mpg
- Also
- 9.1 L/100km (better)
- 9.8 L/100km
- On a full tank
- 343 miles
- 406 miles (better)
Space
- Seats
- 4
- 2
- Boot
- 305 L (better)
- 275 L
- Length
- 4,191 mm
- 4,379 mm
- Weight
- 1,280 kg
- 1,335 kg
Engine
- Engine
- 2.0 L 4-cylinder turbo petrol
- 2.0 L flat-4 turbo petrol
- Power
- 145 kW
- 220 kW (better)
- Torque
- 320 Nm
- 380 Nm (better)
- Gearbox
- 7-speed S tronic automatic
- 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.
TT or Cayman?
Which is cheaper to run, the Audi TT or the Porsche Cayman?
The Audi TT: about $190 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 Audi TT or the Porsche Cayman?
The Audi TT, at 9.1 L/100km (31 mpg UK, 26 mpg US) to the Porsche Cayman's 9.8 L/100km (29 mpg UK, 24 mpg US), by their latest official figures.
Which has the bigger boot, the Audi TT or the Porsche Cayman?
The Audi TT, at 305 L to the Porsche Cayman's 275 L, for their newest versions.
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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