2018 Vauxhall Mokka 1.4L Petrol · BN18 LWH

Persistent rubber degradation on the rear axle and a recurring engine oil leak form the defining mechanical narrative for this Vauxhall Mokka, which has maintained an unbroken record of first-time test passes across its six recorded MOT examinations. The latest test conducted on 12 May 2026 resulted in a pass, though it carried forward an advisory for an engine oil leak, noting that it was not yet excessive. This follows a multi-year sequence of tyre-related advisories noting age cracking and perishing on both rear outer tyres from 2023 through 2025, alongside the persistent engine oil leak observation noted during the 2025 inspection. The vehicle has accumulated 51,614 miles over its eight-year lifespan, representing an average annual usage of approximately 6,452 miles. This mileage accumulation rate sits well within typical expectations for a vehicle of this age and class, indicating a steady pattern of use rather than periods of prolonged storage or extreme commercial mileage. Mechanically, this consistent annual deployment means that powertrain and suspension components have experienced regular operational cycles, reducing the likelihood of issues associated with long-term static storage such as seized brakes or degraded seals, though normal wear and tear on high-mileage consumables remains present. Inspection of the physical vehicle should begin with a thorough examination of the engine bay to locate the source of the persistent oil leak noted on the two most recent MOT certificates. Check beneath the powertrain for fresh pooling or active wetness around the sump, rocker cover, or timing seals, and verify whether oil has contaminated auxiliary belts or nearby wiring harnesses. During the static check, also inspect both rear tyres closely for the sidewall cracking and perishing flagged repeatedly since 2023, measuring remaining tread depth and checking the four-digit date stamps on the tyre sidewalls to determine if replacement is immediately necessary due to rubber degradation regardless of tread depth. A comprehensive dynamic appraisal on a varied test route is essential to evaluate the real-world condition of the chassis and drivetrain. Listen carefully for any unusual knocks, rattles, or thuds from the suspension over potholes and speed bumps, which would indicate worn anti-roll bar links, control arm bushes, or dampers. Pay close attention to the engine's performance under load, ensuring smooth acceleration without hesitation or unusual exhaust smoke, and test the braking system thoroughly for straight-line stopping, pedal firmness, and the absence of any vibration or judder that might suggest warped discs or binding calipers.