1991 Citroen AX 1.4L Petrol · G4 XGT

A consistent record of MOT passes with no advisories or defects across four consecutive tests from 2022 through late June 2025 points to a vehicle that has remained structurally and mechanically compliant on the items examined at annual test. For a 1991 Citroën AX, where corrosion and age-related component degradation are the usual areas of concern, the absence of flagged rust, brake pipe issues, or suspension wear is notable. However, it must be acknowledged that the MOT only samples certain safety-critical items and does not cover engine condition, gearbox health, or interior trim. The latest test on 27 June 2025 returned a clean pass, with the three prior annual tests likewise recording no defects, giving a stable and unbroken run of roadworthiness results over the four-year window available. The recorded mileage of 77,175 miles against an age of approximately 35 years equates to an annual accumulation of around 2,205 miles, which is well below average for a vehicle of this vintage. This low usage figure suggests either limited regular driving or extended periods off the road, and both scenarios carry their own mechanical considerations. Where a car has covered low miles, consumable wear items such as brake discs and pads can suffer from surface corrosion and pitting even when friction material remains adequate. Rubber components including suspension bushes, engine and gearbox mountings, and assorted gaiters and seals are prone to perishing and cracking when subjected to long stationary periods, particularly in damp conditions. Tyres of unknown age but fitted to a low-mileage car may also have hardened sidewalls, reducing grip regardless of tread depth. Given the age of the platform and the components originally fitted at build, a prospective buyer should not treat the absence of recorded advisories as proof that no corrosion exists. The MOT advisory thresholds for structural rust are strict only in defined load-bearing areas, so surface oxidation on outer sills, arches, floor pans, and rear suspension mounting points can progress without being flagged. On examination, run a fingertip or small magnet along the lower wings, sills, jacking points, and the area around the rear beam axle mountings, listening for a dull thud rather than a crisp tap which would indicate filler or advanced corrosion. Check the brake lines and fuel lines running along the chassis for any surface rust, green staining, or weeping, as original steel pipework on a car of this age is well past its intended service life even if not yet flagged. On a test drive, pay close attention to any clonking or knocking from the front suspension over uneven surfaces, which would point to worn ball joints, tie rod ends, or the ubiquitous AX front strut top mount, a known weak point on this model. Listen for any binding or grinding from the front brakes on light application, indicative of seized caliper slide pins that are common on low-mileage cars. Feel for any pulling to one side under braking, vibration through the steering wheel, or a soft or spongy pedal, and check for a straight idle without misfire or excessive smoke from the exhaust on startup. Finally, inspect the rear beam axle locating bushes for cracking, as these transmit any harshness or wandering at higher speeds when compromised, and confirm the spare wheel well and boot floor remain solid, as corrosion in this concealed area is a frequent issue on older AX models.