2015 Jaguar XF 2.2L Diesel · MM64 TKX

The defining mechanical event in this Jaguar XF's recorded history is a dangerous brake failure in June 2023, where the nearside front and nearside rear inner brake pads were found less than 1.5 mm thick, the offside rear outer pads were similarly worn to a dangerous level, and both the front and rear brake discs were classified as significantly and obviously worn. This was an isolated but serious event, and the subsequent tests in July 2023, July 2024, and February 2025 all returned clean passes with no advisories or defects recorded, suggesting that the brake system was comprehensively rectified at that point and has since held up well through around three further years of use. The most recent test on 5 February 2026 was also a pass, though it carried an advisory for an offside front inner tyre worn close to the legal limit and on its edge. While the record since 2023 is clean, the brake failure remains a relevant data point: it indicates that this vehicle, at least on one occasion, was operated with braking components well past their serviceable limit, and a buyer should not assume the post-repair state has been preserved without evidence of subsequent maintenance. With 46,563 miles recorded across roughly eleven years, the XF is averaging approximately 4,233 miles per year, which is markedly low usage for a vehicle of this age and class. There are no unusual gaps in the testing history or sudden jumps in recorded mileage that would suggest a long period off the road or clock irregularities; the mileage progression appears steady. However, low annual mileage does carry specific mechanical considerations. Consumable wear items such as brake discs, pads, and tyres are influenced more by age and corrosion of friction surfaces than by mileage alone, so even lightly used components can suffer from surface corrosion, glazing, or uneven wear patterns. The 2023 brake failure is somewhat atypical of a low-mileage car, which makes it important to verify what work was carried out and whether the discs were replaced or merely skimmed, as worn discs that are not renewed can lead to accelerated pad wear recurring sooner than expected. A prospective buyer should pay particular attention to the braking system during any inspection. On a test drive, listen for any grinding, squealing, or pulsation through the brake pedal, particularly under firm application from higher speed, which would indicate disc run-out or corrosion. Check that the vehicle pulls up squarely without pulling to one side, which could indicate a binding caliper or uneven pad wear, and verify that the handbrake holds the vehicle securely on an incline as rear calipers and handbrake mechanisms on the XF can seize with light use. Inspect all four wheels through the spokes for shiny corrosion on the disc edges or lipping on both inner and outer disc faces, as the original failure involved inner pad wear which can sometimes be masked by an apparently acceptable outer pad. Finally, examine the offside front inner tyre closely for both tread depth and edge wear, as the advisory noted wear on the edge specifically, which on a rear-wheel-drive Jaguar can point to a worn front suspension bush, drop link, or wheel bearing rather than simply a tracking issue. Beyond the braking and tyre concerns, the absence of any further advisories across three subsequent MOT tests is a reasonably reassuring indicator that the suspension, exhaust, steering, and corrosion-related items have remained within tolerance. Nonetheless, given the relatively low annual mileage, a buyer should still inspect for any signs of fluid leaks from the engine or transmission, condition of the auxiliary belt and tensioner, and the state of the underbody and suspension arms for any surface corrosion that may have developed during periods of infrequent use. A hoist inspection is advisable to check the condition of the rear subframe mounting points, brake pipes, and flexible brake hoses, as these areas are commonly flagged for corrosion on older Jaguars and have not yet surfaced in the MOT record but could be approaching the point where they would be noted. A diagnostic read of any stored fault codes and a clear service history covering the brake rectification and subsequent fluid changes would significantly strengthen confidence in the vehicle's ongoing roadworthiness.