Audi A8 vs Infiniti Q50
Official fuel use, running costs and specs, side by side.


Side by side
Specs are for each car's newest version. The better figure is in green.
A typical year's fuel
- New Zealand
- $3,457
- $3,457
- Australia
- $2,864
- $2,864
- United Kingdom
- £2,100
- £2,100
- United States
- $2,671
- $2,671
Official figures
- Uses
- 10.7 L/100km
- 10.7 L/100km
- UK
- 26 mpg
- 26 mpg
- US
- 22 mpg
- 22 mpg
- On a full tank
- 674 km
- 711 km (better)
Space
- Seats
- 5
- 5
- Boot
- 524 L (better)
- 500 L
- Length
- 5,172 mm
- 4,800 mm
- Weight
- 1,640 kg
- 1,700 kg
Engine
- Engine
- 3.0 L V6 turbo petrol mild hybrid
- 3.0 L V6 twin-turbo petrol
- Power
- 250 kW (better)
- 224 kW
- Torque
- 500 Nm (better)
- 400 Nm
- Gearbox
- 8-speed automatic
- 7-speed automatic
- Drive
- AWD
- RWD
Safety
- ANCAP
- –
- ★★★★★
- Euro NCAP
- –
- ★★★★★
- Airbags
- –
- 6
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.
A8 or Q50?
Which has the bigger boot, the Audi A8 or the Infiniti Q50?
The Audi A8, at 524 L to the Infiniti Q50's 500 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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