ElectricalMedium
MMI infotainment freezes and slow system responses
- Typically appears
- Age-related
- What to inspect
- Cycle through infotainment menus and check for lag or freezing
- Typical repair
- Infotainment repair or software fix · £120–£1,200
Is the 2021–2025 Audi Q4 e-tron reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
6.9/ 10
SolidOn our documented-fault scoring the Audi Q4 e-tron rates 6.9 out of 10 · solid. We hold 8 known faults for it and none of them are rated critical, so the risk is mostly wear rather than disaster. The weak points cluster around electrical, suspension and interior. 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 · Buy, but check the known weak points
What the score is built from
- Critical
- 0
- High
- 0
- Medium
- 4
- Low
- 4
Weak points cluster around electrical, suspension, interior, bodywork.
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Check this carThe faults that decide it
ElectricalMedium
Onboard charger and rapid charging speed inconsistencies
- Typically appears
- 30,000+ miles
- What to inspect
- Ask for charging history and check for any charging fault warnings
- Typical repair
- Charging / power electronics repair · £600–£2,600
SuspensionMedium
Adaptive damper faults on S line and higher trims
- Typically appears
- 40,000+ miles
- What to inspect
- Check for suspension warning messages and inconsistent ride comfort
- Typical repair
- Suspension refresh (per axle) · £250–£1,100
Climate ControlMedium
Failure to produce hot or cold air due to faulty pressure sensors or valve blocks, specifically on models equipped with the optional heat pump.
- Typically appears
- 20,000-40,000 miles
- What to inspect
- Set the climate control to 'HI' then 'LO' with the fan on maximum. Verify distinct temperature changes at the vents within 60 seconds.
- Typical repair
- Air-con regas or compressor · £90–£900
InteriorLow
Trim rattles from dashboard and panoramic roof surround
- Typically appears
- Age-related
- What to inspect
- Drive over rough surfaces and listen for interior rattles
- Typical repair
- Interior trim repair · £90–£450
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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