Ford Fiesta vs Renault Clio: which is the better used buy?
On DVSA MOT records the Ford Fiesta is the more reliable used buy: it passes its first MOT 9.2 percentage points more often than the Renault Clio once both are compared against what the national fleet scores at the same age. That comparison covers 175,620 real tests, not a survey.
MOT first-time pass rate
Counted from DVSA’s anonymised MOT test records. “vs age-matched” compares each model against what the national fleet scores at the same age — the only fair better-or-worse number, because an older fleet fails more whatever its build quality.
| Model | Pass rate | Age-matched national | Difference | Tests |
|---|---|---|---|---|
| Ford Fiesta | 72.3% | 74.9% | -2.6 | 143,495 |
| Renault Clio | 62.7% | 74.5% | -11.8 | 32,125 |
Source: DVSA MOT Anonymised Data 2025 (Open Government Licence v3.0). National first-time pass rate 77.3%. Applies to Great Britain — Northern Ireland is tested by the DVA under a separate manual.
Ford Fiesta
Mk8 (2017–2023) · A supermini / small hatchback and one of the UK's most common used cars, competing with the Vauxhall Corsa, VW Polo, SEAT Ibiza and Peugeot 208.
The Ford Fiesta Mk8 (2017–2023) is a generally dependable used supermini, but the single most important thing to check on any 1.0-litre EcoBoost petrol version is which timing system it has: earlier cars, broadly from launch into 2018/2019, carry the original 'wet' cam belt, which runs submerged in engine oil rather than as a dry belt, and if it isn't replaced in good time it can shred and send debris through the oil system, usually destroying the engine — Ford's original quoted interval was 10 years/150,000 miles (later tightened industry-wide to nearer 6 years/100,000 miles), but independent specialists strongly recommend replacement nearer 60,000–80,000 miles given how often belts have failed well inside those figures. Ford introduced a revised, chain-driven camshaft design during 2018–2019 that every mild-hybrid (mHEV) EcoBoost uses, which removes that specific catastrophic risk, though a smaller belt still runs in oil driving the oil pump on all versions, so no EcoBoost Fiesta is entirely risk-free. Because the change wasn't a clean model-year cut-off, never assume from registration year alone: always ask for the engine code or a VIN check, and for any car confirmed to have the original wet-belt engine ask for a dated invoice proving wet-belt replacement, not just a general service stamp, treating one with no such record as needing the job done immediately regardless of mileage. For a used buy, a post-facelift 2022–2023 car with mild-hybrid assistance and full Ford history is the safer choice, since it's the most likely to already carry the revised, lower-risk engine design. Be more cautious with an early 2017–2018 car carrying patchy service records, as these are most likely to still have the original wet-belt design and are now old enough and high-mileage enough to be at real-world risk of a catastrophic belt failure.
What goes wrong
- Engine — 1.0 EcoBoost wet timing beltcriticalEngine rattle or knocking noise, sudden loss of power, warning lights, or complete engine failure if the belt sheds material into the oil system and blocks oil galleries or the pickup strainer; metallic debris can also show up in the oil at a routine service.Broadly 2017 into 2018/2019: 1.0-litre EcoBoost non-hybrid Fiestas from this window most commonly have the original wet cam timing belt. Ford introduced a revised, chain-driven camshaft design during 2018–2019, which every 1.0 EcoBoost mild-hybrid (mHEV, 2020 on) version uses; these still have a separate, smaller wet belt driving the oil pump. The cut-over wasn't a clean model-year change, so confirm by engine code/VIN rather than assuming from year alone. Does not affect the naturally aspirated 1.1 Ti-VCT petrol. · For cars confirmed to have the original wet cam belt: Ford's original quoted interval was 10 years/150,000 miles (later tightened industry-wide to nearer 6 years/100,000 miles); independent specialists recommend replacement nearer 60,000–80,000 miles given how often belts have failed well inside those figures. · Roughly £600–£1,650 for a preventative belt replacement at an independent EcoBoost specialist (commonly £950–£1,200+VAT; significantly more at a main dealer); if the belt fails, a replacement or reconditioned engine typically runs £2,000–£4,000+, more in severe cases.Check: Confirm the engine variant by engine code or VIN check rather than assuming from registration year alone. For any car confirmed to have the original wet-belt engine, ask for a dated invoice proving wet-belt replacement (not just a general service stamp), and budget for the job immediately if there's no such record, regardless of the odometer reading. Even on revised chain-cam/mHEV cars, ask about the condition of the separate oil-pump belt.
- Body sealing — door seals, boot and rear footwellsminorDamp carpets, a musty smell, water pooling in the boot floor or spare-wheel well, wet rear footwells, and — if left unresolved for a long time — electrical faults or corrosion from water sitting inside the car.2017–2023, reported across the generation · Not mileage-related; can appear on low-mileage cars if a seal, grommet or drain point has failed · Resealing a door seal, boot seal or roof-rail drain point is typically £50–£150 in parts and labour if caught early; ignoring it can lead to far costlier electrical or interior repairsCheck: Lift the boot floor and spare-wheel cover and pull back the edges of the rear carpet to feel for damp or staining, sniff for a musty smell, and check the roof lining above the doors and around the rear pillars for water marks.
- 1.5 TDCi diesel particulate filter (DPF)majorEngine management light, limp mode or reduced power, poor fuel economy, black smoke under hard acceleration, and DPF-related MOT failures.2017–2023, 1.5 TDCi diesel variants only · Can occur well inside 60,000–80,000 miles on cars used mainly for short, low-speed journeys that never let the filter fully regenerate · A forced regeneration or DPF clean is roughly £100–£300; a full DPF replacement can run to £1,000–£1,500+Check: Ask how the car is normally driven (motorway runs vs. short urban trips), check the MOT history for DPF-related advisories or failures, and where possible take it on a drive long enough to let a regeneration complete during the test.
- Front driveshaft spline noise (presents as a wheel-bearing fault)minorA cracking or clicking noise from the front of the car when pulling away in first gear or reverse, most noticeable on full steering lock.Most commonly reported on early Mk8 cars, 2017–2019 · Not primarily mileage-related — linked to insufficient sealant on the driveshaft splines from new rather than ordinary wear · £150–£350 per side if the driveshaft needs reworking or replacing; no charge if the car is still within Ford's original warrantyCheck: On the test drive, do a slow pull-away on full steering lock in both directions and listen for a cracking or clicking noise from the front wheels; get any noise checked by a garage before buying, as it's usually the driveshaft rather than the bearing itself.
- Typical asking price:
- 2017–2018 1.0 EcoBoost/1.1 Ti-VCT: £6,000–£9,500 | 2019–2021 1.0 EcoBoost: £9,000–£13,000 | 2022–2023 mild-hybrid Titanium/ST-Line: £13,000–£18,000
- Real-world economy:
- 1.1 Ti-VCT: 47–52 mpg real-world. 1.0 EcoBoost 100/125: 45–50 mpg. 1.0 EcoBoost mHEV: 48–54 mpg. 1.5 EcoBoost ST: 34–39 mpg.
- Vehicle tax:
- £200/year standard rate from the second year, hybrids included — the alternative-fuel discount ended on 1 April 2025. Cars registered 2001–2017 pay a CO2 band, roughly £20–£790/year (2026/27 rates).
- Best years:
- 2022, 2023
- Years to avoid:
- 2017, 2018
Renault Clio
Mk4 2012–2019, Mk5 2019+ · supermini hatchback
The Renault Clio is one of the UK's most popular superminis. The Mk4 (2012–2019) is reliable but has a known timing belt replacement requirement on 1.5 dCi diesel engines and documented EGR valve fouling. The Mk5 (2019+) with the 1.0 TCe turbopetrol and optional mild hybrid is significantly more modern and reliable overall. Key concerns: EDC dual-clutch gearbox reliability on Mk4, clutch wear on manual diesels, and infotainment updates needed on early Mk5. Best buy: 2021+ Mk5 1.0 TCe manual. Worst: Mk4 with high-mileage diesel and EDC auto.
What goes wrong
- Timing belt — 1.5 dCi diesel (Mk4)criticalNo warning — belt fails without symptoms; catastrophic engine damage resultsMk4 2012–2019 (1.5 dCi diesel) · Replace every 35,000 miles or 5 years · £400–£650 preventative kit; £2,000–£4,000 engine if belt snapsCheck: Verify belt change in service history. The Renault 1.5 dCi is an interference engine. No record means budget for immediate replacement before buying.
- EDC dual-clutch gearbox judder (Mk4)majorShudder from standstill; hesitant 1st-to-2nd change; jerky slow-speed behaviourMk4 2012–2019 (EDC automatic) · Often from 25,000 miles on; worsens with age · £300–£800 re-learn and fluid change; £1,500–£2,800 mechatronic or replacementCheck: Test at walking pace in traffic and from cold. The Mk4 EDC is the weakest part of the car. If buying automatic Mk4, only accept a price that reflects the gearbox risk. Mk4 manual is far more reliable.
- EGR valve fouling (1.5 dCi diesel)moderateEngine Management Light; rough idle; black smoke under acceleration; loss of powerMk4 2012–2019 (diesel) · Above 50,000 miles or heavy short-journey use · £350–£700 EGR clean or replacementCheck: Check EML during test drive. Diesels with service history showing mostly city driving are highest risk. An Italian tune (hard motorway run) before the test can mask symptoms temporarily.
- Infotainment software (Mk5 early build)minorMediaNav or Easy Link screen freezes; CarPlay drops out; slow wake from standby2019–2021 Mk5 · £0 — dealer software update resolves most casesCheck: Test CarPlay and navigation responsiveness during test drive. Renault dealer OTA update is free. If freezing occurs, request update as a condition of sale.
- Typical asking price:
- Mk4: £2,000–£9,000 | Mk5: £5,000–£17,000 (2019–2023)
- Real-world economy:
- 46–54 mpg (1.0 TCe petrol, real-world UK); 51–63 mpg (1.5 dCi diesel)
- Vehicle tax:
- £200/year standard rate from the second year, hybrids included — the alternative-fuel discount ended on 1 April 2025. Cars registered 2001–2017 pay a CO2 band, roughly £20–£790/year (2026/27 rates).
- Best years:
- 2021, 2022, 2023, 2024
- Years to avoid:
- 2013, 2014, 2015
Which one suits you
Ford Fiesta
Good for: First-time buyers and anyone prioritising low running costs — cheap parts, low insurance groups and a huge independent-garage network. The 2020+ mild-hybrid EcoBoost is the safer pick for the wet-belt risk.
Less good for: Buyers wanting maximum rear legroom or boot space — this is a genuinely small car. A pre-2019 1.0 EcoBoost with no documented wet-belt history, given how expensive getting that wrong can be.
Renault Clio
Good for: First-time buyers and young drivers seeking low running costs. City and suburban driving. Buyers who want proven reliability on a small budget. Mk5 E-Tech hybrid for fuel economy.
Less good for: Buyers who need an automatic gearbox and want reliability — avoid the Mk4 EDC. Rural drivers who need more ground clearance. High-mileage diesel buyers doing short journeys.
Frequently Asked Questions
Which is more reliable, the Ford Fiesta or the Renault Clio?
What is the MOT pass rate for the Ford Fiesta?
What is the MOT pass rate for the Renault Clio?
Which years should I avoid?
Which is cheaper to run?
MOT figures are counted from DVSA records and are the only measured statistic here. Prices, economy and tax bands are indicative and vary by specification, condition and where the car has lived. Last reviewed: 2026-08-30 / 2026-08-14.