CoolingMedium
Water pump / thermostat assembly leaks.
Head gasket / cooling system repair£900–£2,600
Inspect · Check for coolant loss and residue.
2018–2023 Volkswagen Tiguan · common fault repair costs
What the known faults on this Volkswagen Tiguan 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.
Cost at a glance
- Most expensive fault
- £900–£2,600
- Top three risks, from
- £2,100
- Worst case, everything
- £10,500
The single priciest documented job on the 2018–2023 Volkswagen Tiguan is head gasket / cooling system repair at £900–£2,600. Few cars need every repair listed here · treat £3,100–£10,500 as the full exposure if one arrived with all of them.
Cost per fault
DrivetrainHigh
Complete loss of four-wheel drive on 4Motion models. The Gen 5 Haldex pump strainer blocks with clutch sludge, burning out the pump motor.
Clutch & dual-mass flywheel£700–£1,600
Inspect · From a standstill on a loose or wet surface, apply firm throttle. If the front wheels spin aggressively and traction control intervenes heavily without rear-wheel push, the Haldex system has failed.
EmissionsMedium
AdBlue system faults on 2.0 TDI models, often due to a failed NOx sensor or crystallized AdBlue injector. Triggers an engine management light and a non-start countdown.
Injector set replacement & coding£500–£1,600
Inspect · Turn the ignition on and scroll through the multi-function display. Look for a spanner icon next to the AdBlue range or a 'No engine start in X miles' warning.
ElectricalLow
Infotainment and electrical gremlins.
Infotainment repair or software fix£120–£1,200
Inspect · Test the touchscreen and features.
SuspensionMedium
Creaking or knocking noises from the front end when negotiating speed bumps or under heavy braking. Caused by split front lower control arm rear bushes.
Suspension refresh (per axle)£250–£1,100
Inspect · Drive the vehicle at 10 mph and apply the brakes sharply. Listen for a distinct clunk from the front footwell area. Visually inspect the rear bush of the front wishbone on full lock.
TransmissionHigh
Jerky gear changes, hesitation pulling away, or clunking when selecting reverse. Points to mechatronic unit wear or degraded DSG fluid.
EGR valve / cooler replacement£300–£900
Inspect · With the engine running, shift between Drive and Reverse several times. Feel for delayed engagement or harsh clunks. Perform a low-speed crawl to check for juddering.
BodyLow
Sunroof drain leaks.
Water-ingress trace & seal£150–£800
Inspect · Check footwells and headliner for damp.
EngineMedium
2.0T carbon build-up on intake valves.
Routine repair£180–£700
Inspect · Watch for rough idle / hesitation; ask about walnut-blast cleaning.
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.
Inspecting a Volkswagen Tiguan this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.