Owners report 53.0 mpg from a Citroen Cactus, about 77% of the official figure. On its NEDC-tested engines that is 71%, worse 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.
53.0mpg
Real-world average, all engines
77%
of the official combined figure
33–78
Range reported by owners (mpg)
329
Owner submissions
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Citroen C4 Cactus
2014–2021 · real average 53.0 mpg · owners report 33.0–78.0 mpg · 329 submissions
Engine
Official (NEDC)
Official (WLTP)
Real MPG
% of official
Owners report
1.2 Puretech 110
61.4–68.8
49.8–51.5
46.7
92%*
35.0–55.0
1.2 Puretech 110 EAT6
55.4–61.4
–
39.8
68%
35.0–50.6
1.2 Puretech 130
56.5
–
–
–
–
1.2 Puretech 130 EAT6
–
40.1–47.3
–
–
–
1.2 Puretech 75
61.4
–
41.7
68%
41.0–42.3
1.2 Puretech 82
60.1–61.4
–
43.7
72%
35.0–53.0
1.2 Puretech 82 ETG
65.7
–
44.3
67%
39.0–52.0
1.5 BlueHDi
70.6
63.4
65.8
104%*
55.0–78.0
1.5 BlueHDi 120 EAT6
70.6
–
–
–
–
1.6 BlueHDi
76.3–91.1
–
61.3
73%
49.0–75.5
1.6 BlueHDi ETG
83.1
–
60.6
73%
47.5–70.0
1.6 e-HDi ETG
78.5–80.7
–
62.5
79%
54.0–70.5
All figures in miles per gallon (UK). “Owners report” is the spread of individual submissions for that engine. * Measured against the WLTP figure rather than NEDC.
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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 Cactus fuel economy questions
What is the real-world MPG of a Citroen Cactus?
Owners report an average of 53.0 mpg across all Citroen Cactus engines with data, about 77% of the official combined figure. The engine tables on this page give the figure for each engine and generation.
Why is the Citroen Cactus 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 Cactus Real MPG page go?
The site closed in August 2026 and its Real MPG section went with it. This page is where the Citroen Cactus figures now live: rebuilt from the archived dataset, with the official figures kept alongside, and reopened for new submissions.
If you used the Honest John Real MPG section before the site closed in 2026, this is where the Citroen Cactus figures now live. The owner-reported averages above were rebuilt from the archived dataset (archived page, 2026-06) 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.