Diesel and petrol · 2007–2009
Citroën C6
Fuel use, running costs and specs for the Citroën C6. By the official figures, the 2009 uses 8.1 L/100km: 35 mpg UK, 29 mpg US.
- Fuel use
- 8.1 L/100km
- 2009 official
- UK mpg
- 35 mpg
- US mpg
- 29 mpg
- Seats
- 5
What a C6 costs to run
At today's average petrol prices, by its official fuel use.
| Country | Average price today | Cost to drive | A typical year |
|---|---|---|---|
| New Zealand | $2.94/L petrol | $23.67 per 100 km | $2,603 |
| Australia | $2.41/L petrol | $19.42 per 100 km | $2,155 |
| United Kingdom | £1.74/L petrol | £22.59 per 100 miles | £1,582 |
| United States | $4.35/gal petrol | $14.90 per 100 miles | $2,011 |
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.
Official figures by year
From the US EPA, the UK's DfT and NZTA, newest first.
| Year | Fuel | Uses | UK | US | Range |
|---|---|---|---|---|---|
| 2009 | Diesel | 8.1 L/100km | 35 mpg | 29 mpg | — |
| 2008 | Petrol | 11.2 L/100km | 25 mpg | 21 mpg | — |
| 2008 | Diesel | 8.7 L/100km | 32 mpg | 27 mpg | — |
| 2007 | Petrol | 11.2 L/100km | 25 mpg | 21 mpg | — |
| 2007 | Diesel | 8.7 L/100km | 32 mpg | 27 mpg | — |
Citroën C6 questions
What is the fuel consumption of the Citroën C6?
The 2009 Citroën C6 uses 8.1 L/100km by its official figures: 35 mpg in UK gallons and 29 mpg in US gallons. Each year's figures are listed below.
How much does a Citroën C6 cost to run a year?
At today's average petrol prices and a typical year's driving: $2,603 in New Zealand, $2,155 in Australia, £1,582 in United Kingdom, $2,011 in United States.
Cars like the C6
From other makes, closest in what they use.
More from Citroën

Citroën
C3
2002–2025
4.9 L/100km · 58 mpg

Citroën
Berlingo
2007–2017
5.8 L/100km · 49 mpg

Citroën
C4
2005–2025
6.3 L/100km · 45 mpg

Citroën
Relay
2010–2012
7.4 L/100km · 38 mpg

Citroën
DS3
2010–2017
4.7 L/100km · 60 mpg

Citroën
C5
2001–2015
6.9 L/100km · 41 mpg

Citroën
Xsara
1998–2005
8.6 L/100km · 33 mpg

Citroën
DS4
2011–2017
4.4 L/100km · 64 mpg
What will a drive in your C6 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






