The NCT is a roadworthiness inspection. It checks brakes, lights, tyres, steering, suspension, exhaust emissions, body and seatbelts. Most private cars are first tested at four years, then every two years until ten, then yearly. NCTS lists the test at €60 and a retest at €40.
Direct answer updated 21 October 2026. Earlier guide updated 7 October 2026.
Primary sources: RSA: NCT scope and mileage records · NCTS: test fees and frequency · NCTS: NCT Manual 2023
The National Car Test (NCT) is a roadworthiness inspection. The RSA explains the test schedule and exemptions. An NCT pass records the condition of tested items at that time; it is not a warranty or a substitute for servicing.
Source: NCTS / RSA, checked 21 Oct 2026 — NCTS fees and FAQs, RSA: about the NCT and the NCT Manual 2023.
What Does the NCT Check?
The NCT is a visual and mechanical inspection covering:
- Brakes — efficiency, balance and parking brake
- Lights — all bulbs working, headlight alignment, lens condition
- Tyres — tread depth (minimum 1.6mm), condition, correct size
- Suspension — shock absorbers, springs, ball joints, bushings
- Steering — play in the steering, power steering condition
- Exhaust & emissions — CO and HC levels, exhaust leaks, catalytic converter
- Body & chassis — rust, structural integrity, seatbelt anchorage
- Windscreen & wipers — chips, cracks, wiper effectiveness
- Seatbelts — operation, webbing condition, buckles
Five Areas to Check Before the NCT
1. Headlight Alignment
Your headlights are tested on a beam machine. Even slightly misaligned headlights will fail you. Fix: Any garage can adjust headlight alignment for €20–40. Do it the week before your test.
2. Brake Performance
Brakes are tested on a roller. Worn pads, sticky calipers, or imbalanced braking will fail. Fix: Get brake pads and discs checked. Budget €150–300 per axle if they need replacing.
3. Tyres
Check tyre tread, sidewalls and pressures. Use a tread-depth gauge and ask a tyre professional to assess uneven wear or damage; a coin is not a substitute for an accurate measurement.
4. Emissions
If an emissions or DPF warning is present, follow the vehicle handbook and ask a qualified garage to diagnose it. Do not rely on a fast drive before the test to repair a fault.
5. Suspension
Worn shock absorbers, broken springs, or perished bushings. Fix: Bounce each corner of the car — if it bounces more than once, the shocks are worn. Budget €200–400 per pair for replacement.
Pre-NCT Checklist
Do this the week before your NCT:
- Check all lights work (headlights, indicators, brake lights, reversing lights, fog lights)
- Check tyre tread depth and pressure
- Top up washer fluid
- Clean the windscreen inside and out
- Check wiper blades aren’t torn
- Make sure the horn works
- Check handbrake holds on a hill
- Have the cause of any dashboard warning light diagnosed and repaired; do not simply clear the warning
What Happens if You Fail?
Follow the failure report and arrange repairs before a retest. NCTS lists a €40 retest fee; checks that need no test equipment are free. Confirm the booking and completion deadlines directly with NCTS so you do not miss the retest window.
Thinking about buying a used car? Check the NCT certificate and service records. The free Motorly check adds available listing context; it does not supply a full vehicle history or verified NCT record.
Motor tax and the NCT are separate: one is a tax, the other a roadworthiness test. See motor tax and NCT.
Before viewing a used car, read our guides to checking a car for clocking and buying a used car under €10,000.