2010 Fiat 500 1.2L Petrol · RF59 LLJ

An emerging structural concern defines the mechanical picture of this 2010 Fiat 500, despite an otherwise unblemished MOT sequence. Across eight recorded tests spanning 2019 to late October 2025, the vehicle has passed every examination without a single advisory entry until the most recent assessment on 27 October 2025. That test introduced a corrosion note against the rear sub-frame and its mounting areas, classified under reference 5.3.3 (b) (i) as corroded but not seriously weakened. While the test outcome remains a pass, the sudden appearance of a structural advisory on a previously clean record warrants close scrutiny, as rear sub-frame corrosion on small Fiat platforms of this era can progress from a cosmetic note to a load-bearing failure point if surface rust is allowed to develop into flaking, section loss, or distortion around the mounting brackets. Annual accumulation of around 9,841 miles over a sixteen-year service life places this vehicle squarely in line with typical usage for its age, suggesting it has been in regular daily use rather than left standing for prolonged periods or subjected to exceptionally high mileage. The continuity of testing is also notable: tests appear almost annually from late 2019 through to late 2025, with no multi-year gaps that might indicate a long period off the road. At 157,463 miles, the mechanical wear profile should reflect a car that has covered consistent, moderate distances, which generally keeps seals, bearings, and brake components functioning under normal thermal cycling. The lack of any mileage gaps in the supplied DVSA record suggests regular use, which typically means fewer issues associated with seized calipers, perished rubber, and dried suspension fluid, but also means the engine, clutch, and ancillaries have absorbed genuine running hours. Given the rear sub-frame advisory, a prospective buyer should carry out a thorough physical inspection of the underside, ideally on a ramp. Pay particular attention to the mounting points where the rear beam or axle assembly meets the body, checking for any flaking scale, lifting paint around bolt heads, or thinning of the metal that could indicate the corrosion is more advanced than the advisory suggests. On a test drive, listen for clonks, knocks, or rear-end shuffling over uneven surfaces, particularly when traversing speed humps or potholes, as compromised mountings can allow movement under load. Also inspect for any uneven tyre wear at the rear, which can be a secondary indicator of sub-frame distortion altering the geometric alignment of the wheels. Beyond the structural note, the mileage means consumable wear items should be evaluated in person. Brake pedal feel should be firm without excessive travel, and the vehicle should not pull to one side under braking, which can indicate worn discs or binding calipers at this odometer reading. Steering should remain tight and responsive without clonking through the rack or column, and the suspension should feel composed over undulating roads rather than crashing or floating. Listen for any timing chain rattle on cold start, a known concern on higher-mileage Fiat 500 units, and check for blue exhaust smoke that could indicate piston ring or valve guide wear. Finally, confirm there are no active warning lights on the dashboard, particularly for emissions or engine management, as the MOT emissions pass is recent but cannot reveal developing sensor or catalyst issues that present only under load or once fully warmed through.