BMW 730I vs Citroën C5

The C5 costs less to run, by the official figures: about $310 a year less in New Zealand, $260 in Australia, £190 in the UK and $240 in the US.

Side by side

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

BMW 730ICitroën C5

A typical year's fuel

New Zealand
$2,555
$2,244 (better)
Australia
$2,115
$1,857 (better)
United Kingdom
£1,552
£1,363 (better)
United States
$1,974
$1,734 (better)

Official figures

Uses
7.9 L/100km
6.9 L/100km (better)
UK
36 mpg
41 mpg (better)
US
30 mpg
34 mpg (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.

730I or C5?

Which is cheaper to run, the BMW 730I or the Citroën C5?

The Citroën C5: about $310 a year less in New Zealand, $260 in Australia, £190 in the UK and $240 in the US than the BMW 730I at today's average prices and a typical year's driving.

Which uses less fuel, the BMW 730I or the Citroën C5?

The Citroën C5, at 6.9 L/100km (41 mpg UK, 34 mpg US) to the BMW 730I's 7.9 L/100km (36 mpg UK, 30 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