2012 Vauxhall Corsa 1.2L Petrol · SD12 VUC

The 2012 Vauxhall Corsa currently holds a valid MOT that passed cleanly on 9 January 2026 at 105,166 miles with zero defects recorded. That result is significant because it follows a cluster of failures just three days earlier on 6 and 8 January 2026, both at the identical recorded mileage. The most recent pass indicates the immediate defects were addressed, but the pattern of failing, re-failing, and then passing within a 72-hour window raises questions about the depth and quality of the repairs rather than suggesting a long-term maintenance strategy. The mileage progression tells a straightforward story. The car covered roughly 16,114 miles between the January 2024 test at 84,361 miles and the January 2025 test at 100,475 miles, then added a further 4,691 miles over the following twelve months to reach 105,166 miles in January 2026. That annual rate of around 7,500 miles is entirely consistent with typical use for a vehicle of this age. No mileage anomalies or suspicious plateaus appear in the record. The gap between the 2025 and 2026 tests is exactly one year, which is standard. The January 2026 failures are the focal point for any buyer inspection. Dense blue smoke under acceleration points directly to oil combustion, most commonly worn valve stem seals, piston rings, or turbocharger seals on the 1.2-litre turbocharged petrol units fitted to this generation Corsa. The fact that the smoke defect appeared on both failed tests but was absent from the subsequent pass suggests either a temporary fix or a condition that only manifests under specific load or temperature conditions. A buyer should have a compression test and a borescope inspection carried out, and should cold-start the engine to observe exhaust behaviour before the catalytic converter reaches operating temperature. The inoperative engine MIL on the 6 January failure is equally concerning. A functioning malfunction indicator lamp is a legal requirement, and its absence can mask active fault codes. A full diagnostic scan should be performed to check for stored or pending codes that may have been cleared ahead of the retest. The front tyre tread deficiency on the 6 January failure is a minor consumable issue, but failing on both fronts simultaneously suggests the car was driven on degraded rubber for some time rather than being maintained proactively. No suspension or braking defects appear in the record, which is a positive indicator for structural and mechanical integrity. Still, a thorough underbody inspection for corrosion, particularly around subframes, sills, and brake lines, remains essential on any 14-year-old Corsa regardless of its MOT history.