IsItAGoodCar
Reliability Guide

Common Problems with the
2026 AION UT

UK introduction year: the European-spec UT opened UK orders in September 2026 with deliveries from October, one 60kWh/204hp powertrain, £28,950 rising to £30,150 with the Premium Pack.

What changed for 2026

  • •Chassis and cabin software re-tuned for UK/European buyers ahead of launch, designed around GAC's Milan studio
  • •Five-star Euro NCAP result recorded in September 2026 under the stricter 2026 test protocol
  • •Heat pump and vehicle-to-load charging standard on every UK car, unusual at this size and price

Common MOT watch-outs

  • !Front tyre tread and alloy condition from wheelspin launches and town kerbing on the light 17-inch wheels
  • !Rear light cluster and camera lens grime behind the small tailgate aperture affecting the visibility and camera checks
  • !Number-plate lamp and pixel-signature light alignment after minor hits, since rear visibility is poor
6
Known Issues
0
Serious
1
Moderate
5
Minor

All Known Issues

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

ModerateElectrics & Electronics

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)
Warning Signs:

Unexpected regenerative braking on motorway with open road ahead, Constant warning chimes from the driver-monitoring camera, Assist settings cannot be left off between ignition cycles

What to Inspect:
  • Run adaptive cruise on a motorway during the test and watch for braking without cause
  • Find the ADAS sensitivity settings and verify changes persist after a restart
  • Ask the dealer for the installed firmware version and any cruise-control release notes
Verified by IsItAGoodCar Research TeamUpdated

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

MinorElectrics & Electronics

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
Warning Signs:

Shortcut bar disappears the moment phone mirroring starts, Door mirrors adjust only through the screen menu, Cruise control set/resume requires the gear selector, Indicator stalk self-centres but the signal keeps blinking after a lane change

What to Inspect:
  • Mirror your phone, then try to reach climate or volume without closing the navigation app
  • Set the driving position, mirrors and cruise on the viewing drive and time how long each takes
  • Confirm the physical basics still work screen-free: hazards, wipers and demist
Verified by IsItAGoodCar Research TeamUpdated

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

MinorSteering

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
Warning Signs:

Constant small corrections needed in straight running on the motorway, Front end wanders into tramlines and ruts on rough A-roads, Steering feels over-light and darty at town junctions

What to Inspect:
  • Change lanes twice at 70mph and note how far the car strays when you release the wheel gently
  • Inspect front tyre shoulders for uneven wear and alloys for kerb strikes that hint at tracking damage
  • Do a parallel park using mirrors only before falling back on the 360-degree camera
Verified by IsItAGoodCar Research TeamUpdated

Same 204hp as the V in a lighter body: routine wheelspin and front-tyre wear

MinorEngine

The UT pairs the V's 204hp/210Nm front motor with a car roughly 200kg lighter, and Parkers says it is prone to a fair bit of wheelspin away from a standstill — likely to chip away at tyre life — suggesting the calibration needs work or less power. Carwow agrees it is all too easy to spin a wheel pulling out of a junction. In a wet, salted UK winter that means traction-control intervention on ramps and gravel, and replacement 17-inch tyres are the main wear item buyers should inspect and price on used stock.

Est. Repair Cost: £95–£170 per replacement 17-inch tyre fitted
Warning Signs:

Front tyres spin momentarily on normal junction pull-aways, Traction control cuts and stutters when launching on damp marks, Front tread noticeably shallower than rears on short-mileage cars

What to Inspect:
  • Where safe, launch firmly from a roundabout and watch for slip-light flicker
  • Gauge front versus rear tread and look for feathered edges indicating alignment issues
  • Ask the dealer whether a torque/traction mapping update has been applied since launch
Verified by IsItAGoodCar Research TeamUpdated

87kW peak charging makes the slowest public top-ups in the class

MinorElectrics & Electronics

The UT's 60kWh LFP pack accepts only 87kW DC — official figures are 10–80% in about 32 minutes and 30–80% in 24 — and Electrifying.com openly challenged Aion's claim of adding 214 miles in 20 minutes, estimating closer to 35 minutes for that much range. Carwow rates it slower than a Renault 4 or Kia EV2. This is a specification limit, not a fault, but it reshapes motorway planning in a car sold as a do-it-all hatchback, so a working charge port and honest peak rates still need verifying on a used example.

Est. Repair Cost: £0 (hardware limit); budget roughly 30–40-minute 10–80% public stops
Warning Signs:

Charging session power plateaus around 87kW even on 150kW+ chargers, Cold-battery sessions take noticeably longer to hit peak rate, Range added per minute falls short of the manufacturer's 20-minute claim

What to Inspect:
  • Watch the charger's live kW during a viewing-session top-up to confirm it reaches near 87kW when warm
  • Inspect the port shut, pins and seal for corrosion or damage — winter salt attacks charge connectors
  • Check whether the car can pre-condition the battery from the app before a rapid stop
Verified by IsItAGoodCar Research TeamUpdated

Hard, scratchy interior plastics behind the fashion-led design

MinorInterior & Trim

Carwow's verdict on the UT cabin is blunt: it looks like leather but almost everything you touch is hard, scratchy plastic, with a centre-dashboard box that is ugly and awkward to open and a phone shelf with no grip, so your phone goes flying when you pull away. The Car Expert reached for the same qualifier — some cheaper plastics around the cabin, though panels fit neatly — while Parkers judged the materials more positively, so wear and finish opinion is mixed. Check high-contact areas on any used example and confirm the wireless-charging pack actually holds a phone.

Est. Repair Cost: £0–£25 (non-slip mat for the charge shelf; trim clips are warranty items)
Warning Signs:

Door cards and lower dash feel rigid and scratchy rather than soft-touch, Phone slides off the charging shelf under normal cornering, Centre console lid is stiff and awkward to open

What to Inspect:
  • Press along door-card edges and the dash join for cracks, rattle points or adhesive failure
  • Balance your phone on the pad and corner firmly during the test drive
  • Check the panoramic-roof headliner hump doesn't bruise rear heads if you regularly carry tall adults
Verified by IsItAGoodCar Research TeamUpdated

Buying Tips for 2026 AION UT

  • Expect roughly 4.0–4.4 mi/kWh in mixed driving rather than worshipping the WLTP figure
  • Check whether the car holds the current software — Aion has been pushing updates that alter assist behaviour
  • Take the test drive first, then check the current offers: Aion ran 0% APR PCP plus a £500 test-drive discount into December 2026