2015 Porsche 911 3.8L Petrol · SIG 80

The most recent DVSA MOT test on 2026-01-21 resulted in a clean pass, indicating no roadworthiness failures and no outstanding defects. This follows a consistent pattern of passing MOTs from 2022 onward, suggesting a stable maintenance history with no recurring issues that would indicate a deteriorating mechanical condition. The absence of prior MOT failures aside from the 2022 test—where structural tyre defects were recorded—implies that the vehicle has generally maintained its roadworthiness, though the prior issues highlight areas where wear or damage had previously compromised tyre integrity. The absence of advisories or failures in the last three years supports confidence in the vehicle’s current mechanical state, though the 2022 defects warrant careful attention during inspection. The recorded mileage of 18,186 miles for a 2015 Porsche 911—approximately 1,653 miles per year—is notably low for its age, which typically suggests either infrequent use or prolonged periods of stationary storage. This low annual mileage can lead to specific wear patterns, particularly in components prone to standing corrosion, such as brake systems, suspension linkages, and electrical connections. For example, standing brakes may cause rust buildup on disc surfaces or binding calipers, leading to reduced braking efficiency or uneven wear if not addressed. Additionally, the lack of recent high-mileage accumulation means consumables like brake pads, filters, and fluids may not have been subjected to the same levels of stress as vehicles with higher usage rates, but this also raises concerns about potential neglect in fluid servicing or consumable replacements over time. For a prospective buyer, the most critical areas to inspect are the tyres, given the historical MOT failures in 2022. Focus on the rear tyres, particularly the near and offside sides, where cuts and structural tears were recorded. Visually examine the tread depth and sidewall integrity for any signs of cracking, bulging, or separation, as these can indicate underlying ply or cord damage that compromises tyre safety. On a test drive, listen for unusual tyre noise or vibrations, which may signal irregular wear or internal damage. The front tyres should also be scrutinised for signs of uneven wear or tread separation, as these could stem from misalignment, suspension issues, or previous damage. Beyond tyres, check the brake system for corrosion on discs and linings, binding calipers, or a spongy or shuddering brake pedal, which may reveal standing corrosion or fluid degradation. In terms of broader mechanical checks, given the vehicle’s age and low mileage, the buyer should prioritise a thorough inspection of the suspension and steering components. Look for signs of wear in suspension bushes, coil springs, and control arms, as these can degrade over time even with low mileage, particularly if the vehicle has been stationary for extended periods. Inspect for excessive play in the steering wheel, clunking noises when driving over bumps, or uneven suspension travel, which could indicate worn or damaged components. Additionally, verify the condition of the 12V battery and electrical systems, as prolonged disuse can lead to corrosion in terminals or a weakened battery. Fluid levels should be checked, with particular attention to brake fluid, coolant, and differential/transmission fluid, as these degrade over time regardless of mileage. Finally, review the service history for any time-based maintenance, such as oil changes, timing belt replacements, or exhaust system servicing, which are critical for a 11-year-old vehicle, even if mileage is low.