Toyota brand mark

2011–2020 Toyota Sienna · common fault repair costs

What the known faults on this Toyota Sienna 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
£90–£900
Top three risks, from
£440
Worst case, everything
£3,100

The single priciest documented job on the 2011–2020 Toyota Sienna is air-con regas or compressor at £90–£900. Few cars need every repair listed here · treat £570£3,100 as the full exposure if one arrived with all of them.

Cost per fault

InteriorLow

Dashboard glare / softening in hot climates.

Air-con regas or compressor£90–£900

Inspect · Check the dash top for tackiness.

EngineHigh

Rubber oil-supply hose (VVT) leak on early cars (recall).

Water-ingress trace & seal£150–£800

Inspect · Confirm the oil-hose recall was completed.

BrakesMedium

Brake actuator / ABS sensor faults triggering warning lights.

Brakes (discs, pads, caliper)£200–£800

Inspect · Scan for ABS/VSC codes on the test drive.

BodyMedium

Power sliding door cable / motor failure.

Door / window mechanism£130–£600

Inspect · Cycle both power doors several times and listen for grinding.

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 Toyota Sienna this week?

Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.