IsItAGoodCar
Reliability Guide

Common Problems with the
2018 Citroën C1 (Mk2)

Mid-life update for the C1 in summer 2018 introducing Euro 6.2 emissions compliance, upgrading the 1.0 VTi to 72hp with improved low-down torque, dropping the 1.2 PureTech, and adding Apple CarPlay/Android Auto compatibility.

What changed for 2018

  • •Euro 6.2 compliant 1.0 VTi 72hp engine with cleaner emissions and improved fuel efficiency
  • •Discontinuation of the 1.2 PureTech 82hp petrol engine across the entire UK lineup
  • •Upgraded 7-inch infotainment system supporting Apple CarPlay, Android Auto and MirrorLink

Common MOT watch-outs

  • !Front brake disc corrosion and pad scoring from low-mileage city commuting
  • !Suspension drop link balljoint split boots and play over road cushions
  • !Exhaust system surface corrosion around rear silencer hangers
3
Known Issues
0
Serious
2
Moderate
1
Minor

All Known Issues

1.0 VTi clutch wear and slip

ModerateGearbox & Transmission

Stop-start urban driving and repeated hill starts cause premature wear to the friction plate on the 1.0-litre three-cylinder engine. A high bite point develops, followed by slipping under load in third or fourth gear and burning smells when executing parking manoeuvres.

Est. Repair Cost: £350–£650
Warning Signs:

Clutch pedal biting point is right at the top of travel, Engine revs flare without acceleration in third gear under load, Acrid burning friction smell during hill starts or tight parking manoeuvres, Judder through the pedal when engaging first gear from standstill

What to Inspect:
  • Perform a hill start to assess where the clutch pedal engages in travel
  • Accelerate firmly from 30mph in third gear to test for clutch slippage
  • Inspect the service history for invoices showing clutch kit or release bearing renewal
Verified by IsItAGoodCar Research TeamUpdated

Front suspension drop link and lower arm bush wear

ModerateSuspension & Chassis

Potholed UK urban roads degrade the rubber ball joints on the anti-roll bar drop links and the front lower wishbone bushes. Play develops quickly, causing loud clonking noises over speed cushions and rough tarmac, accompanied by loose steering response and uneven tyre wear.

Est. Repair Cost: £110–£300
Warning Signs:

Clattering or knocking sounds from front wheel arches over speed bumps, Vague steering feedback and wander when traversing uneven tarmac, Uneven wear along the inside or outside front tyre tread shoulders

What to Inspect:
  • Drive slowly over speed cushions with windows wound down to listen for front suspension knocks
  • Inspect recent MOT test history for advisories regarding suspension joint play
  • Examine front tyre shoulders for feathered or uneven tread wear patterns
Verified by IsItAGoodCar Research TeamUpdated

Boot and rear light cluster water ingress

MinorBodywork & Rust

Rainwater penetrates through perishing foam gaskets around the high-level third brake light, rear light cluster mountings and the frameless glass tailgate seal. Water pools in the spare wheel recess, soaking boot carpets and causing misted glass and electrical earthing faults.

Est. Repair Cost: £80–£220
Warning Signs:

Standing water or damp residue in the spare wheel well under the boot floor, Musty damp odour throughout the interior cabin, Persistent condensation on the inside of the rear window glass, Damp or stained carpet padding in the luggage compartment

What to Inspect:
  • Lift the boot floor carpet completely and check the spare wheel well for rust or water
  • Inspect the high-level brake lamp foam gasket for perished or pinched rubber
  • Check the inner rear light cluster mounting studs for moisture tidemarks
Verified by IsItAGoodCar Research TeamUpdated

Buying Tips for 2018 Citroën C1 (Mk2)

  • The 72hp engine post-2018 feels noticeably smoother in town and benefits from modern phone connectivity
  • Check that safety recalls regarding the steering column bolt torque have been signed off by a franchised dealer
  • Inspect all four alloy wheels or wheel trims for kerbing damage typical of town parking
2015–20172019–2022
Check a 2018 Citroën C1 (Mk2) by Registration