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
- £1,470
- Worst case, everything
- £9,200
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 £2,330–£9,200 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.
Engine (1.0 VTEC Turbo)High
Wet timing belt degradation causing oil starvation and complete engine failure.
Timing / wet belt kit + water pump£450–£1,100
Inspect · Remove the oil filler cap and shine a torch inside to inspect the visible section of the wet belt for fraying, cracking, or swelling. Check the dash for oil pressure warnings on startup.
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.
TransmissionMedium
CVT judder or harsh engagement when pulling away from a standstill.
EGR valve / cooler replacement£300–£900
Inspect · With the engine running and foot firmly on the brake, shift repeatedly between Park, Drive, and Reverse. Feel for delayed engagement, clunks, or harshness, which indicates degraded CVT fluid.
Body & InteriorMedium
Water ingress in the boot and rear electrical failures due to loom chafing.
Electrical diagnosis & module repair£120–£900
Inspect · Open the boot and inspect the rubber wiring grommets at the top hinges for splits. Lift the boot floor carpet and check the spare wheel well for dampness or standing water.
HVACMedium
AC condenser failure / refrigerant leaks.
Water-ingress trace & seal£150–£800
Inspect · Confirm cold AC and ask about any condenser replacement.
BrakesLow
Electronic Parking Brake (EPB) switch failure or dragging rear calipers.
Brakes (discs, pads, caliper)£200–£800
Inspect · Engage and disengage the EPB switch multiple times. Listen for the actuator motors on the rear calipers operating smoothly, and ensure the car rolls freely in neutral without rear brake drag.
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.