GMC brand mark

2015–2020 GMC Yukon · common fault repair costs

What the known faults on this GMC Yukon 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
£800–£2,500
Top three risks, from
£1,160
Worst case, everything
£4,350

The single priciest documented job on the 2015–2020 GMC Yukon is major mechanical repair at £800–£2,500. Few cars need every repair listed here · treat £1,250£4,350 as the full exposure if one arrived with all of them.

Cost per fault

EngineCritical

AFM/DFM lifter failure with tick and misfire.

Major mechanical repair£800–£2,500

Inspect · Listen for lifter tick and scan for misfire codes.

EngineHigh

Oil consumption from AFM.

Oil leak trace & seal / gasket£180–£700

Inspect · Check oil level and consumption history.

TransmissionMedium

Automatic shudder / harsh shifts.

Routine repair£180–£700

Inspect · Feel for shudder on light throttle.

InteriorLow

Cracked dashboard.

Interior trim repair£90–£450

Inspect · Inspect the dash top for cracks.

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 GMC Yukon this week?

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