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UK Reliability Directory

AION UT

Production Years: 2026 - 20266 Documented Faults

The AION UT (model code AY2) is a Milan-styled electric hatchback on the same AEP 3.0 platform and 150kW/204hp front motor as the AION V, but with a smaller 60kWh LFP pack. Shown in late 2024 and launched in China on 28 February 2025, it reached Europe in 2025–2026 (with some cars assembled by Magna Steyr in Graz), opened UK order books in September 2026 at £28,950 and began deliveries that October, with a £1,200 Premium Pack adding a panoramic roof, powered tailgate, ventilated driver's seat and wireless charging. It is bigger inside than its supermini rivals — 2,750mm wheelbase, a 440-litre boot, rear doors that open near 90 degrees — and earned five Euro NCAP stars under the tougher 2026 regime, though the press consensus (Carwow 7/10, Parkers 3/5, The Car Expert 7/10) is that a hard-plastic cabin, fussy screen-first controls, 87kW peak charging and nervous steering leave it short of the class best. UK stock is new-car and 2026 demonstrators only.

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Common Faults & Reliability

These are the most common documented problems for the AION UT, sorted by their typical impact and frequency.

Adaptive cruise brakes for traffic that is not there and nags the driver

medium severity

Carwow's UK test found the UT's active cruise control witless on the motorway, easily confused and braking to avoid cars that were not present. Parkers' UT review says the driver aids go beyond aiding into overbearing, chiding the driver constantly, and The Car Expert logged rather a lot of assistance intervention making the experience busy. No DVSA recall sits against AION as at October 2026, so treat it as calibration you can check and potentially improve at the dealer — but do check it, because phantom braking on a motorway is the most serious complaint levelled at the UT so far.

Est. repair cost:£0–£150 (firmware reset or camera/ADAS recalibration under warranty)

Illogical screen-first controls: mirrors in menus, cruise on the gear stalk

low severity

The UT pushes almost everything into its 14.6-inch touchscreen and it is not always coherent. Carwow noted the customisable shortcut sidebar — a genuine strength — is unavailable while Apple CarPlay or Android Auto is mirroring, forcing you to exit navigation to change settings; The Car Expert found mirror adjustment buried in menus with no dedicated switch; Parkers flagged unlabelled steering-wheel controls and the counterintuitive habit of setting cruise speed with the gear selector. There is no component failure here, but ergonomics like this are exactly what used buyers should trial before parting with money.

Est. repair cost:£0 (software/ergonomics); £80–£120 dealer diagnostic time if a module is genuinely at fault

Light, nervous steering with poor over-the-shoulder visibility

low severity

Carwow says the UT's steering is too sensitive at speed, so the car feels as though it is always drifting side to side on the motorway and tramlines through ruts, and rear visibility is very poor through the small taillight aperture. The Car Expert reports the opposite end of the journey — over-light, over-sensitive steering around town that settles down as speed rises. The two opinions split means this is calibration reviewers disagree on, so UK buyers must drive it on both their own road types before judging; check tracking and tyre condition on used examples since wandering can also be damage.

Est. repair cost:£0 (calibration); £60–£90 wheel alignment if a pothole strike has genuinely knocked it out
View All 6 Documented Issues

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