2007 London Taxis INT TX4 2.5L Lpg · LR07 XAP

At virtually 600,000 recorded miles and still holding a clean MOT pass record, this TX4 presents a remarkably resilient roadworthiness profile for a vehicle of its vintage. The most recent test on 21 October 2025 was passed with no advisories or defects recorded, continuing a streak of clean outcomes stretching back through the November 2023 test. The lone anomaly in the history is a failed test on 22 October 2024 that was immediately followed by a pass later the same day with no defects recorded, suggesting a minor rectification carried out on the same day rather than any underlying mechanical concern. Across five recorded events spanning 2023 to 2025, there is no pattern of recurring advisories on suspension components, brake lines, exhaust integrity, or corrosion, which is notable for a London taxi chassis that has spent two decades enduring urban stop-start duty, kerb impacts, and heavy payload cycles. With 593,494 miles accumulated over roughly 19 years, the vehicle averages approximately 31,000 miles annually, a usage rate entirely consistent with continuous front-line taxi operation. The MOT testing cadence shows no meaningful gaps, indicating the vehicle has remained in active service throughout its life rather than being laid up for extended periods. This continuous operation is mechanically significant: regular daily mileage prevents the long-term issues that plague stored vehicles such as seized brake calipers, perished dampers, and dried gearbox seals, but it does mean every consumable component has endured the equivalent of several ordinary cars' worth of wear. The exceptionally high odometer reading also means replacement histories of major drivetrain items including engine, gearbox, clutch, and turbo are almost certain, and verification of when and how these were renewed should form a central part of any purchase enquiry. Given the continuous heavy-duty operation, particular attention during inspection should be directed towards the suspension architecture, which on TX4 chassis is notoriously susceptible to wear at the front subframe mountings, lower wishbone bushes, and anti-roll bar drop links. On a test drive, listen for clonking or knocking noises transmitted through the steering column when traversing speed humps or potholes, and feel for vagueness or wander at motorway speeds that would indicate tired bushings or worn top mounts. Steering rack gaiters and track rod ends should be inspected for splits or grease loss, and the rear beam axle bushes are prone to cracking on these vehicles, often producing a rear-end shimmy over uneven surfaces. The clutch pedal should be checked for high biting point or slipping under load, and the automatic or manual gearbox for any shunt on take-up or whining under deceleration. Braking system scrutiny is equally important on a vehicle that has covered this distance, particularly the servo operation and any sign of binding calipers that would manifest as a pulling sensation under light pedal pressure or uneven disc wear visible at the wheels. Examine the brake pipes and rear flexi-hoses for corrosion, especially along the underside where road salt accumulates, and check for any seepage around the master cylinder or wheel cylinders. The engine bay warrants a close look for oil leaks from the sump gasket, cam cover, and turbo oil feed lines, while the exhaust should be inspected for blowing joints and signs of repair welding that may mask underlying corrosion. Finally, examine the floor pans, jacking points, and outriggers thoroughly for structural rust, as taxi use with frequent kerb mounting accelerates corrosion in these areas, and any evidence of welding repairs should be queried and inspected for quality before purchase.