Generations
G1 — First Generation
2011–2015
1.5 dCi, 1.6 dCi
Top issues to watch for
The most serious Renault G problems ranked by severity. We track 5 known issues — here are the ones you need to know about first.
Major
CV joint boot failure (G1)
The constant velocity joint protective boots on the driveshafts fail at exceptionally high rates on this model, with MOT data showing failure rates up to 39.4 times the national fleet average. The boots protect the CV joints from dirt and water ingress while retaining grease. Once the boot splits or comes loose, the joint rapidly deteriorates due to contamination and grease loss. This affects the outer CV joints primarily, causing clicking noises on turning and eventual joint failure requiring driveshaft replacement.
What happens if ignoredIf left unrepaired, contamination destroys the CV joint requiring complete driveshaft replacement. Boot replacement costs £80-150 per side if caught early. Once the joint fails, driveshaft replacement costs £200-400 per side. A failed CV joint can lock up or separate, causing loss of drive to that wheel.
Independent garage
£80–£300
Specialist
£100–£350
Main dealer
£150–£450
Parts only
£30–£180
Major
Front wheel bearing wear (G1)
Front wheel bearings show excessive wear at 10.3 times the national fleet average, particularly affecting the 1.5L diesel variant. The sealed bearing units develop play and noise earlier than typical for this vehicle class. This appears to be a design or manufacturing issue specific to this generation, with failures concentrated in the 40,000-100,000 mile range. The condition is worsening according to MOT trend data.
What happens if ignoredA worn wheel bearing creates noise, vibration, and steering feel deterioration. If completely failed, the wheel can seize or become loose, creating a serious safety hazard. Replacement typically costs £150-250 per corner including labour. The car remains driveable with mild bearing wear but should not be used if severe play is detected.
Independent garage
£120–£200
Specialist
£150–£250
Main dealer
£200–£300
Parts only
£60–£120
Major
Suspension component wear (G1)
Suspension pins, bushes, and joints wear at This encompasses front lower arm bushes, anti-roll bar links, and steering components. The trend is worsening according to MOT data, suggesting either a design weakness or parts quality issue. Failures span the entire mileage range but peak at 60,000-80,000 miles.
What happens if ignoredWorn suspension components affect vehicle stability, steering precision, and braking effectiveness. Multiple components typically require replacement during major suspension overhauls. Individual drop links cost £40-80 per pair, while lower arm bushes require specialist pressing equipment. Total suspension refresh can cost £400-800 depending on component count.
Independent garage
£80–£400
Specialist
£100–£500
Main dealer
£120–£600
Parts only
£40–£200
Major
Front coil spring failure (G1)
Front coil springs fracture at 3.2 times the national average, typically breaking near the bottom coil where corrosion and stress concentrate. This is a common issue on many European cars of this era but appears more prevalent on this model. A fractured spring reduces ride height, affects handling, and can damage the tyre sidewall if the broken coil moves. The trend is worsening according to recent MOT data.
What happens if ignoredA broken spring affects vehicle stability and can damage tyres if the broken coil contacts the sidewall. The car remains driveable but handling is compromised. Spring replacement costs £80-150 per side including fitting. Springs are typically replaced in pairs to maintain even ride height and handling characteristics.
Independent garage
£120–£250
Specialist
£150–£300
Main dealer
£200–£350
Parts only
£40–£100
1 more known issues tracked
Including wear items, electrical niggles, and generation-specific problems. Check a specific car to see which issues apply to its age and mileage.
Check a specific car →MOT failure hotspots
Based on DVSA MOT test data. These are the items where the Renault G fails at a significantly higher rate than the average car.
Transmission shaft constant velocity joint boot...
Bodywork · 20-40k miles
MOT failure rate: 39x the fleet average
Sample: 323 tests
Reversing lamp inoperative
Lights & Electrics · 60-80k miles
MOT failure rate: 16x the fleet average
Sample: 963 tests
Wheel bearings worn
Suspension · 40-60k miles
MOT failure rate: 10x the fleet average
Sample: 1,384 tests
Stop lamp missing, inoperative or in the case o...
Lights & Electrics · 100-120k miles
MOT failure rate: 8.6x the fleet average
Sample: 298 tests
Anti-roll bar links worn
Suspension · 60-80k miles
MOT failure rate: 8.0x the fleet average
Sample: 986 tests
Obligatory rear fog lamp missing, or a front or...
Lights & Electrics · 100-120k miles
MOT failure rate: 7.1x the fleet average
Sample: 243 tests
Buying a Renault G?
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Related
Renault G reliability FAQs
What are the most common problems with the Renault G?
The Renault G has 5 known issues across 2 severity levels. The most common problems relate to CV joint boot failure (G1) and Front wheel bearing wear (G1).
Is the Renault G reliable?
The Renault G has 0 dangerous and 4 major known issues. No dangerous issues are tracked, which is a positive sign.
How much does it cost to fix Renault G problems?
Repair costs range widely. The most significant issue (CV joint boot failure (G1)) costs £80–£300 at an independent garage. Minor issues can be under £200. Always get a full inspection before buying.