Audi A6 vs Mercedes-Benz C-Class

The C-Class costs less to run, by the official figures: about $10 a year less in the US.

Audi A6Mercedes-Benz C-Class

Side by side

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

Audi A6Mercedes-Benz C-Class

A typical year's fuel

United States
$1,716
$1,704 (better)
New Zealand
$2,222
$2,206 (better)
Australia
$1,841
$1,827 (better)
United Kingdom
£1,350
£1,340 (better)

Official figures

Uses
34 mpg
34 mpg (better)
Also
6.9 L/100km
6.8 L/100km (better)
On a full tank
570 miles
601 miles (better)

Space

Seats
5
5
Boot
530 L (better)
455 L
Length
4,939 mm
4,751 mm
Weight
1,735 kg
1,587 kg

Engine

Engine
2.0 L 4-cylinder turbo petrol mild hybrid
1.5 L 4-cylinder turbo petrol mild hybrid
Power
180 kW (better)
150 kW
Torque
370 Nm (better)
300 Nm
Gearbox
7-speed dual-clutch
9-speed automatic
Drive
AWD
RWD

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 C-Class?

Which is cheaper to run, the Audi A6 or the Mercedes-Benz C-Class?

The Mercedes-Benz C-Class: about $10 a year less in the US than the Audi A6 at today's average prices and a typical year's driving.

Which uses less fuel, the Audi A6 or the Mercedes-Benz C-Class?

The Mercedes-Benz C-Class, at 6.8 L/100km (41 mpg UK, 34 mpg US) to the Audi A6's 6.9 L/100km (41 mpg UK, 34 mpg US), by their latest official figures.

Which has the bigger boot, the Audi A6 or the Mercedes-Benz C-Class?

The Audi A6, at 530 L to the Mercedes-Benz C-Class's 455 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