2007 Vauxhall Astra 1.6L Petrol · KG57 AAN

A pattern of chronic exhaust, braking, and underbody corrosion advisories, punctuated by three failure events since 2018, defines the mechanical trajectory of this 19-year-old Astra. The most recent test on 22 October 2022 returned a pass with no advisories, which on the surface appears clean, yet the 2020 pass flagged a corroding exhaust, corroding rear brake pipes, and pitted front brake discs, while the 2022 pass followed a failure just eighteen days earlier on 4 October 2022 that cited exhaust leaks at both front and rear, an out-of-specification Lambda reading, an illuminated engine management indicator, and an inoperative offside stop lamp. Earlier, a failure on 4 October 2021 cited excessively worn trailing arm axle bushes at both rear corners, and a further failure on 26 September 2019 recorded a dangerously perished offside front tyre and an excessively corroded offside rear brake hose ferrule. Although no single component has been flagged at every test, the same families of component — exhaust system, rear brake pipes and hoses, suspension bushes, and front brake discs — have recurred across consecutive years, suggesting a vehicle whose underfloor and running gear are subject to ongoing age-related deterioration rather than isolated faults. The recorded odometer reading of 112,014 miles over approximately 19 years equates to an average accumulation of roughly 5,895 miles annually, which is notably low for a car of this vintage and points to extended periods of limited use. MOT tests have been clustered in the autumn months of 2018, 2019, 2020, 2021, and 2022 with no records visible before 2018, raising the possibility that the vehicle may have spent considerable time off the road earlier in its life or been subject to gaps in testing history that are not represented here. Low annual mileage does reduce wear on internal drivetrain components but, conversely, leaves the underbody, brake calipers, brake discs, and exposed steel brake lines more vulnerable to standing corrosion from moisture and road salt, particularly if the car is stored outside or used predominantly for short journeys that do not allow components to dry thoroughly. A prospective buyer should pay particular attention to the rear suspension, as trailing arm axle bushes were flagged as excessively worn in 2021 and the front arm bush was noted as worn the same year; on a test drive, listen for clonking or knocking from the rear over speed humps and uneven surfaces, and feel for vagueness or shudders through the steering as the bushes load and unload. Inspect the visible brake pipes and hose ferrules along the underbody and rear axle, as slight corrosion has been recorded on both rear brake pipes and the offside rear hose ferrule progressed to excessive corrosion by 2019; corrosion at these points can lead to fluid weeping, reduced braking efficiency, or, in advanced cases, pipe fracture under pedal pressure, so a thorough check from beneath with a torch is worthwhile. Front brake discs were flagged as pitted and corroded on both faces in 2020, and given the low mileage this corrosion is more likely the result of infrequent use than wear, so expect lipping or a rough pedal feel on the first firm application and be prepared for disc replacement if pedal judder is apparent. The exhaust system warrants close physical scrutiny beneath the car, as a poor-condition exhaust was noted in 2020 and leaks at both front and rear joints were recorded at the 2022 failure; listen for ticking or hissing from the engine bay and underbonnet area when the engine is cold-started, and check for black soot deposits around joints and the Lambda sensor wiring. The engine management indicator and Lambda reading flagged as out of limits in 2022 could have been resolved by an oxygen sensor or exhaust repair, but persistent exhaust leaks upstream of the sensor can also cause false Lambda readings, so confirm that any diagnostic work carried out after the failure addressed the underlying leak rather than simply replacing the sensor. Finally, verify the rectification of the offside stop lamp, examine the rear tyres for sidewall cracking given the 2021 perish advisories and the dangerous 2019 tyre failure, and check the power steering rack area for fresh seepage, as a slight rack seepage was noted in 2019 and these units can deteriorate further with age on low-mileage examples.