Audi S8 vs Infiniti FX50

The FX50 costs less to run, by the official figures: about $20 a year less in Australia.

Side by side

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

Audi S8Infiniti FX50

A typical year's fuel

Australia
$3,502
$3,485 (better)
New Zealand
$4,227
$4,204 (better)
United Kingdom
£2,568
£2,554 (better)
United States
$3,266
$3,248 (better)

Official figures

Uses
13.1 L/100km
13.0 L/100km (better)

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.

S8 or FX50?

Which is cheaper to run, the Audi S8 or the Infiniti FX50?

The Infiniti FX50: about $20 a year less in Australia than the Audi S8 at today's average prices and a typical year's driving.

Which uses less fuel, the Audi S8 or the Infiniti FX50?

The Infiniti FX50, at 13.0 L/100km (22 mpg UK, 18 mpg US) to the Audi S8's 13.1 L/100km (22 mpg UK, 18 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