25 most unreliable cars: part 2

While some cars motor along for years without missing a beat, others are afflicted by fault after fault, so here's our round-up of the most problematic 25 cars aged up to five years old...

Vauxhall Insignia

15. Vauxhall Insignia (2008-2017)

Reliability rating: 85.4%

Almost one in four (39%) of Vauxhall Insignias had a problem, with two important areas – the braking system and engine – the most frequently concerned. More than half could still be driven and were fixed the same day, but a third cost owners from £51 to more than £1500.

Mercedes C-Class Coupé front

Reliability rating: 83.8%

Not all C-Class Coupés are a joy to live with; 28% of those we were told about suffered a fault. The biggest issues were with the gearbox/clutch and non-engine electrics. A quarter were out of action for more than a week, and while most work was done under warranty, some of it resulted in bills ranging from £1001 to £1500.

Read our full used Mercedes C-Class Coupé review >>


13. Jaguar XE diesel (2015 on)

Jaguar XE 300 Sport

Reliability rating: 82.6%

Diesel Jaguar XEs suffered twice as many issues as petrols; in fact, owners reported issues in every one of our 14 fault categories. Some 75% of cars could still be driven and most were fixed for free, but some brought bills ranging from £500 to more than £1500.

Read our full Jaguar XE review >>


12. Land Rover Discovery (2004-2017)

2014 Land Rover Discovery review

Reliability rating: 82.5%

Don’t assume that the old Land Rover Discovery suffers a lot of faults because it’s old; the latest version scored just 1% better, and 41% of both models suffered faults. Around half took more than a week to fix; most were fixed under warranty, but some cost as much as £750.

Read our full used Land Rover Discovery review >>

Save money on a new Land Rover Discovery with What Car? >>


= 10. Renault Zoe (2013 on)

Renault Zoe

Reliability rating: 82.3%

A high percentage of Renault Zoes had problems, including a lot of electrical gremlins. All faults were fixed under warranty, but three-quarters of cars were out of action for more than a week.

Read our full Renault Zoe review >>


10. Vauxhall Astra diesel (2015 on)

2019 Vauxhall Astra front

Reliability rating: 82.3%

Diesel Vauxhall Astras have a 10% lower reliability rating than their petrol siblings; nearly twice as many went wrong. Nearly a quarter of issues were with the braking system, and one in five were with the engine or gearbox/clutch. Nearly a third of cars took more than a week to fix, but at least all the work was done under warranty.

Read our full Vauxhall Astra review >>


9. Nissan Qashqai petrol (2014 on)

Nissan Qashqai

Reliability rating: 82.1%

Petrol Nissan Qashqais performed slightly worse than diesels: 48% compared with 42%. Battery trouble afflicted 24% of cars and 6% had brake issues and problems with their engine. The only upside is that half were fixed the same day and three-quarters of work was free.

Read our full Nissan Qashqai review >>


8. Land Rover Discovery Sport (2014 on)

Land Rover Discovery Sport

Reliability rating: 81.9%

Some 43% of Land Rover Discovery Sport owners experienced trouble, with issues spanning all of our categories apart from the steering. A quarter of cars took more than a week to fix; most work was free, but a small number presented bills of more than £1500.

Read our full Land Rover Discovery Sport review >>


7. Renault Kadjar (2015 on)

Renault Kadjar front

Reliability rating: 81.3%

Renault Kadjars had a lot of electrical gremlins; 34% of cars went wrong, and 11% of problems related to non-engine electrics. Three-quarters of cars were off the road for more than a week, and while 75% of work was done for free, some owners had to pay from £51 to more than £1500.

Read our full Renault Kadjar review >>


6. Ford Edge (2016 on)

Ford Edge 2019 Front right tracking shot

Reliability rating: 80.7%

Ford Edge owners spend a lot of time in garages; 45% of their cars suffered a fault and around half were laid up for more than a week. Air-con and non-engine electrics caused the most trouble (15%), among a range of issues. Thankfully, all repairs were done for free.

Read our full Ford Edge review >>

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