Onboard charger and rapid charging speed inconsistencies
Inspect · Ask for charging history and check for any charging fault warnings

What the known faults on this Audi Q4 e-tron typically cost to put right at a UK independent garage · use the figures to price risk before you bid, and to justify a reduction when something shows up on inspection.
The single priciest documented job on the 2021–2025 Audi Q4 e-tron is charging / power electronics repair at £600–£2,600. Few cars need every repair listed here · treat £1,850–£9,950 as the full exposure if one arrived with all of them.
Onboard charger and rapid charging speed inconsistencies
Inspect · Ask for charging history and check for any charging fault warnings
Paintwork chipping on lower bumper edges from new
Inspect · Inspect lower bumper and sill edges for chips and touch-up paint
MMI infotainment freezes and slow system responses
Inspect · Cycle through infotainment menus and check for lag or freezing
Adaptive damper faults on S line and higher trims
Inspect · Check for suspension warning messages and inconsistent ride comfort
Electric tailgate struts groan during operation, or the hands-free kick sensor fails entirely due to water ingress in the rear bumper module.
Inspect · Operate the tailgate using the key fob to listen for strut groaning, then use a kicking motion under the rear bumper centre to test the hands-free sensor.
Failure to produce hot or cold air due to faulty pressure sensors or valve blocks, specifically on models equipped with the optional heat pump.
Inspect · Set the climate control to 'HI' then 'LO' with the fan on maximum. Verify distinct temperature changes at the vents within 60 seconds.
Squealing or grinding noise from the rear drum brakes at low speeds, or binding when pulling away due to lack of mechanical use and moisture build-up.
Inspect · Select neutral while rolling at low speed to disable regenerative braking, apply the footbrake gently, and listen for rear-axle grinding or squealing.
Trim rattles from dashboard and panoramic roof surround
Inspect · Drive over rough surfaces and listen for interior rattles
Ranges are indicative parts-and-labour costs at a UK independent garage, inclusive of VAT. Franchised dealers typically sit 40–80% higher, and prestige or electrified variants sit at the top of each band. Always get a written quote before committing.
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.