Owners report 29.8 mpg from a Renault Master, about 88% of the official figure. On its NEDC-tested engines that is 88%, 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.
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Paste the advert and we read it against the Renault Master’s known faults, its MOT history and the DVLA record, with the real-world 29.8 mpg from this page in the running-cost line, and tell you what the seller has not. Free, about a minute, no card.
Check a Renault Master advert (free) →| Engine | Official (NEDC) | Official (WLTP) | Real MPG | % of official | Owners report |
|---|---|---|---|---|---|
| dCi 100 | 30.7–39.2 | – | 28.6 | 82% | – |
| dCi 100 Auto | 34.4 | – | – | – | – |
| dCi 100 Euro 4 | 34.9–36.2 | – | – | – | – |
| dCi 100 Euro 5 | 32.8 | – | 32.5 | 99% | – |
| dCi 110 | 34.5–38.1 | – | 31.4 | 86% | – |
| dCi 125 | 29.7–39.2 | – | 29.0 | 84% | – |
| dCi 125 Auto | 30.4–40.4 | – | – | – | – |
| dCi 125 Euro 4 | 34.9–35.3 | – | 32.9 | 94% | – |
| dCi 135 | 34.0–40.9 | – | 32.2 | 86% | – |
| dCi 150 | 30.1–35.2 | – | 28.5 | 87% | – |
| dCi 150 Auto | 29.7–37.7 | – | – | – | – |
| dCi 165 | 34.0–40.9 | – | – | – | – |
All figures in miles per gallon (UK). “Owners report” is the spread of individual submissions for that engine.
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.
Owners report an average of 29.8 mpg across all Renault Master engines with data, about 88% of the official combined figure. The engine tables on this page give the figure for each engine and generation.
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.
The site closed in August 2026 and its Real MPG section went with it. This page is where the Renault Master figures now live: rebuilt from the archived dataset, with the official figures kept alongside, and reopened for new submissions.
Looking at a Renault Master right now? Check the advert before you go and see it.
If you used the Honest John Real MPG section before the site closed in 2026, this is where the Renault Master 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.
Fuel economy is one line on the Renault Master running-cost sheet. These guides cover the checks that stop you buying the wrong one.