2020 MG ZS 1.5L Petrol · AF20 BYR

This 2020 MG ZS presents a notably clean roadworthiness record across four consecutive MOT tests spanning from June 2023 through March 2026, with no advisories, defects, or failures of any kind recorded at any point. The most recent examination on 27 March 2026 was passed without a single item flagged, and the pattern repeats cleanly through 2025, 2024, and 2023, indicating either a vehicle that has been mechanically well-maintained or one whose components have simply not yet reached the wear thresholds at which DVSA testers would comment. The absence of any corrosion advisories on suspension arms, subframes, or brake lines is particularly relevant given the ZS's reputation for underbody rust developing earlier than some rivals in this class. Equally, the lack of any braking component advisories over a three-year testing window is encouraging, though it does mean there is no historical data to confirm how the discs and pads are now wearing relative to a known baseline. With 87,533 miles accumulated over roughly six years, this ZS is averaging approximately 14,500 miles per year, a figure that sits well above the typical UK annual mileage of around 8,000 miles and places it firmly in the high-usage category for its age. The mileage progression between tests appears consistent and steady rather than showing any unusual jumps or gaps that might suggest long periods off the road followed by catch-up driving, both of which can accelerate certain wear patterns. Sustained high annual mileage on a vehicle of this type typically translates into greater consumption of brake components, faster suspension bush and shock absorber degradation, and earlier wear on clutch components and drivetrain mounts. At this mileage point, items such as the timing chain tensioner, engine mounts, and gearbox linkage on the ZS platform are components that begin to attract attention, and the absence of any MOT-recorded defects provides reassurance but not a guarantee of their internal condition. For a prospective buyer, the clean MOT history permits a more focused physical inspection rather than chasing previously flagged defects, but the high mileage demands attention to areas that MOT testing does not fully cover. On a test drive, listen for any knocking or clonking from the front suspension over speed humps and uneven road surfaces, paying particular attention to the lower wishbone bushes and anti-roll bar drop links, which are known weak points on the ZS and tend to deteriorate quietly between tests. The steering should feel precise without any vagueness on centre or clunking when turning at low speed, as worn front suspension geometry is often first noticed through a wandering or imprecise front end. Check the brake pedal for any sponginess or excessive travel, and during a moderate stop from around 40 mph, feel for any juddering through the pedal or steering wheel that would suggest warped front discs, a common item at this mileage even if not yet flagged on a test. Under the bonnet, inspect for any signs of oil seepage around the engine and particularly near the rocker cover gasket, which has been a recurring item on ZS units as they accumulate higher miles, and also check the underside of the engine for any evidence of coolant or oil residue on the sump. Inspect the coolant reservoir and its connecting hoses for any staining or crystallisation, and verify the condition of the drive belts for any glazing or cracking. The wheels should be checked for any kerbing damage, and the tyres examined for even wear across the tread, as uneven inner or outer wear can indicate suspension geometry issues that have developed between MOT tests. Finally, although the brake fluid and cabin filter are not part of the MOT itself, both are typically due for renewal on a vehicle of this age and mileage, and factoring in a fresh service along with attention to the spark plugs and air filter would be a prudent step before committing to purchase.