EngineHigh
Cracked block on some early 2016 1.5T engines (subject to warranty extension).
Head gasket / cooling system repair£900–£2,600
Inspect · Check for coolant loss and confirm any block replacement in service history.
2016–2021 Honda Civic · common fault repair costs
What the known faults on this Honda Civic 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
- £1,110
- Worst case, everything
- £5,500
The single priciest documented job on the 2016–2021 Honda Civic is head gasket / cooling system repair at £900–£2,600. Few cars need every repair listed here · treat £1,260–£5,500 as the full exposure if one arrived with all of them.
Cost per fault
ElectricalLow
Infotainment lag and software bugs (improved by updates).
Infotainment repair or software fix£120–£1,200
Inspect · Test the touchscreen and confirm software is up to date.
EngineHigh
1.5T oil dilution — fuel mixes into the oil, most common in cold climates and short trips.
Air-con regas or compressor£90–£900
Inspect · Pull the dipstick and smell for fuel; check for a gas-like odor and over-full oil level.
HVACMedium
AC condenser failure / refrigerant leaks.
Water-ingress trace & seal£150–£800
Inspect · Confirm cold AC and ask about any condenser replacement.
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 Honda Civic this week?
Build a tickable checklist for the exact car in front of you, record faults with photos, and hand the buyer a report.