Audi A6 vs Buick Regal

Official fuel use, running costs and specs, side by side.

Audi A6Buick Regal

Side by side

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

Audi A6Buick Regal

A typical year's fuel

New Zealand
$3,169
$3,169
Australia
$2,622
$2,622
United Kingdom
£1,925
£1,925
United States
$2,449
$2,449

Official figures

Uses
9.8 L/100km
9.8 L/100km
UK
29 mpg
29 mpg
US
24 mpg
24 mpg
On a full tank
663 km
714 km (better)

Space

Seats
5
5
Boot
530 L (better)
404 L
Length
4,939 mm
4,831 mm
Weight
1,658 kg
1,649 kg

Engine

Engine
2.0 L 4-cylinder turbo diesel
2.4 L 4-cylinder petrol
Power
150 kW
164 kW (better)
Torque
400 Nm (better)
350 Nm
Gearbox
7-speed dual-clutch
6-speed automatic
Drive
FWD
FWD

Safety

ANCAP
★★★★★
–
Euro NCAP
★★★★★
–
Airbags
8
–

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.

A6 or Regal?

Which has the bigger boot, the Audi A6 or the Buick Regal?

The Audi A6, at 530 L to the Buick Regal's 404 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.

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