Real-world fuel economy

Citroen C5 MPG: what owners actually get

Owners report 44.7 mpg from a Citroen C5, about 91% of the official figure. On its NEDC-tested engines that is 91%, better than typical: the median NEDC-tested car in this 8,216-engine dataset returns 82%. The tables below give the figure for every engine and generation we hold. Add your own at the bottom and the averages get better for the next buyer.

44.7mpg
Real-world average, all engines
91%
of the official combined figure
22–62
Range reported by owners (mpg)
679
Owner submissions
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Citroen C5

2001–2008 · real average 43.8 mpg · owners report 24.0–57.0 mpg · 189 submissions

EngineOfficial (NEDC)Official (WLTP)Real MPG% of officialOwners report
1.6 HDi52.3–50.997%–
1.6 HDi Tourer51.4–49.095%–
1.8 16V37.2–32.387%–
1.8 16V Tourer37.2––––
2.0 16V35.3–34.899%–
2.0 16V Tourer35.3–32.191%–
2.0 HDi47.1–44.795%–
2.0 HDi Tourer47.1–43.592%–
2.0i 16v Automatic32.9–33.3101%–
2.2 HDi46.3–42.892%–
2.2 HDi Tourer45.6–40.088%–
3.0i V6 Automatic27.7––––
3.0i V6 Automatic Tourer27.4––––

Citroen C5

2008–2016 · real average 45.1 mpg · owners report 22.0–62.0 mpg · 490 submissions

EngineOfficial (NEDC)Official (WLTP)Real MPG% of officialOwners report
1.6 16V THP42.2–49.7118%38.9–56.0
1.6 e-HDi 110 Airdream EGS61.4–55.290%51.0–60.0
1.6 e-HDi 115 Airdream EGS61.4–49.180%37.0–61.3
1.6 e-HDi 115 ETG665.7––––
1.6 e-HDi EGS61.4–62.8––––
1.6 e-HDi EGS Tourer61.4–55.390%49.5–62.0
1.6 HDi50.4–61.4–49.989%39.7–61.0
1.6 HDi 11561.4–53.888%50.0–56.0
1.6 HDi 115 ETG665.7––––
1.6 HDi Tourer49.6–56.5–50.695%44.0–58.0
1.8 16V Tourer34.9––––
2.0 16V33.6–30.390%23.0–34.4
2.0 16v Automatic Tourer31.4–39.3125%38.8–39.8
2.0 Blue HDi 15064.2–67.3–44.167%36.0–52.2
2.0 Blue HDi 180 Automatic64.2–41.064%33.0–43.0
2.0 HDi47.1–57.6–45.086%34.6–54.6
2.0 HDi 16055.4–57.6–44.579%36.6–53.0
2.0 HDi 160 Automatic45.6–42.593%34.4–53.0
2.0 HDi 200 Automatic46.3–47.9––––
2.0 HDi Automatic45.6–40.689%32.0–48.6
2.0 HDi Automatic Tourer45.6–40.589%32.5–48.7
2.0 HDi Tourer46.3–55.4–47.393%37.0–58.7
2.0i 16v Automatic31.7–31.8–25.079%22.0–28.0
2.2 HDi47.9–37.578%28.9–41.0
2.2 HDi Tourer42.8–40.795%34.0–48.6
2.7 HDi V633.6–33.6100%32.5–35.0
2.7 HDi V6 Tourer33.2–31.695%27.0–36.2
3.0 HDi V6 Automatic39.2–37.295%31.0–42.0
3.0 HDi V6 Tourer46.3–35.076%27.0–39.1

All figures in miles per gallon (UK). “Owners report” is the spread of individual submissions for that engine.

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What does yours actually do? Read it off the trip computer over a full tank or work it out from litres and miles. No postcode, no sign-up. The more people add, the better the averages get, and this page stays free.

Citroen C5 fuel economy questions

What is the real-world MPG of a Citroen C5?

Owners report an average of 44.7 mpg across all Citroen C5 engines with data, about 91% of the official combined figure. The engine tables on this page give the figure for each engine and generation.

Why is the Citroen C5 real MPG lower than the official figure?

Official figures come from a laboratory test cycle, not the road. Cold starts, short trips, hills, load, tyres and driving style all cost fuel the test does not see. A gap of 10 to 30 per cent is normal; a much bigger gap on one engine usually points at a fault, a heavy right foot, or a diesel that never gets warm.

Where did the Honest John Citroen C5 Real MPG page go?

The site closed in August 2026 and its Real MPG section went with it. This page is where the Citroen C5 figures now live: rebuilt from the archived dataset, with the official figures kept alongside, and reopened for new submissions.

Looking at a Citroen C5 right now? Check the advert before you go and see it.

Where the Citroen C5 figures come from

If you used the Honest John Real MPG section before the site closed in 2026, this is where the Citroen C5 figures now live. The owner-reported averages above were rebuilt from the archived dataset (archived page, 2026-08) alongside the official NEDC and WLTP figures and new submissions from CarAdCheck readers, and the section is open so they keep improving. Real-world figures also feed the running-cost estimate in our free advert check.

CarAdCheck is not affiliated with Honest John or Volkswagen Financial Services. How we rebuilt Real MPG.

Other Citroen models

Before you go and see it

Fuel economy is one line on the Citroen C5 running-cost sheet. These guides cover the checks that stop you buying the wrong one.

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