BatteryHigh
PHEV and EV battery health and charging faults
- Typically appears
- Any
- What to inspect
- Run a state-of-health check and charge the car fully
- Typical repair
- HV battery module work · £1,200–£8,000
Is the 2018–2025 Volvo XC40 reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
4.5/ 10
Buy with cautionOn our documented-fault scoring the Volvo XC40 rates 4.5 out of 10 · buy with caution. We hold 8 known faults for it and 2 are rated high severity, so the risk is real but contained. The weak points cluster around engine, electrical and battery. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.
Verdict · Walk unless the history is spotless
What the score is built from
- Critical
- 0
- High
- 2
- Medium
- 6
- Low
- 0
Weak points cluster around engine, electrical, battery, brakes.
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Build the inspection planThe faults that decide it
Interior and BodyHigh
Panoramic sunroof drain tubes block or detach, leading to severe water ingress into the front footwells and potential Central Electronic Module (CEM) damage.
- Typically appears
- 3-5 years
- What to inspect
- Press firmly on the front carpets to check for dampness. Inspect the lower A-pillar interior trims and the headlining around the sunroof for water staining.
- Typical repair
- Electrical diagnosis & module repair · £120–£900
EngineMedium
Three-cylinder petrol carbon build-up and oil consumption
- Typically appears
- 50,000+ miles
- What to inspect
- Check oil level and test acceleration under load
- Typical repair
- Oil leak trace & seal / gasket · £180–£700
ElectricalMedium
Sensus infotainment freezing and software faults
- Typically appears
- Any
- What to inspect
- Cycle every screen function and confirm updates
- Typical repair
- Infotainment repair or software fix · £120–£1,200
BrakesMedium
Rear disc corrosion on hybrid and electric versions
- Typically appears
- Age-related
- What to inspect
- Inspect the rear discs closely
- Typical repair
- Brakes (discs, pads, caliper) · £200–£800
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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