2021 Hyundai Tucson Ultimate T-GDI HEV Auto 1.6L Hybrid electric · GD21 RHO

The most recent DVSA examination on 29 June 2026 resulted in a pass, but this followed an immediate failure recorded on the same date, indicating the vehicle was repaired and re-presented within hours rather than returning in a roadworthy condition first time. The failure included a major defect regarding an inoperative or malfunctioning engine management indicator lamp, which suggests a diagnostic trouble code was present and the Malfunction Indicator Lamp was either not illuminating on ignition or was illuminated to signal an emissions or engine management fault. Major defects were also recorded for an offside windscreen wiper failing to clear the screen effectively, a service brake efficiency figure below the statutory requirement, and an advisory note for the front service brake binding though not excessively. The brake-related items are particularly relevant as they cluster together and suggest the braking system, whilst not severely binding, is showing signs of caliper or hydraulic issues that have already pushed overall efficiency below the pass threshold. Compared with the clean pass in July 2024 and the advisory-only outcome in June 2025, the 2026 entry shows a clear deterioration, moving from advisories on tyres to major mechanical and braking defects. With approximately 67,995 miles recorded over five years, this Tucson is averaging around 13,600 miles annually, which is notably above the national average and points to genuinely high mileage usage rather than the lower figures typical of hybrid family vehicles. High annual mileage accelerates wear on all consumables and mechanical components, particularly brake friction material, tyres, suspension bushes, coil springs, wheel bearings, and the hybrid system's regenerative braking components which still rely on conventional friction brakes for heavy stops. The 2025 advisories for both front tyres being worn close to the legal limit with edge wear, combined with a cut to the nearside rear tyre and a nail in the offside front, indicate the vehicle was already on a relatively aggressive tyre replacement cycle. This wear pattern is consistent with high-mileage motorway use, although the edge wear element can suggest wheel alignment drift or worn suspension linkages that should be checked. Prospective buyers should satisfy themselves that the engine management fault flagged by the MIL defect has been fully resolved, as intermittent or cleared codes can mask underlying issues with the hybrid battery management system, throttle body, lambda sensors, or EVAP system on this T-GDi HEV drivetrain. Request the diagnostic readout from the rectification work and ensure the fault has not reappeared, and during the test drive observe whether the engine runs unevenly, whether any warning lamps reappear after a cold start, and whether the transition between electric and petrol propulsion is smooth. The brake binding advisory paired with the major efficiency failure indicates the calipers, brake fluid, and possibly the discs should be inspected at the earliest opportunity. On a test drive, listen for any scraping or grinding from the front corners, feel for any pulling to one side under braking, and check whether the vehicle rolls freely on a flat surface when jacked, as binding calipers generate excessive heat and prematurely wear pads and discs. Beyond the recorded defects, the high annual mileage and age of the vehicle warrant a thorough physical inspection of items that do not always appear on MOT records. Inspect all four tyres including the sidewalls for perishing or cracking, as even relatively new tyres can degrade with age and heat cycling, and verify that the wheel alignment is within tolerance to prevent the edge wear pattern seen last year from returning. Check the condition of the 12V auxiliary battery, as hybrid vehicles still rely on a conventional lead-acid battery for ancillaries and a weak cell will trigger dashboard warnings and start-up issues. Examine the underbody and suspension components, particularly the front and rear bushes, anti-roll bar links, and coil springs, for any splits, cracking, or sagging that high-mileage use tends to expose. Finally, confirm that all fluid services, including engine oil, brake fluid, coolant, and the hybrid system coolant, have been performed on a calendar basis, as brake fluid in particular is hygroscopic and degrades regardless of mileage, and verify that the main dealer or specialist service history is fully present to confirm the hybrid battery and inverter have been monitored correctly throughout the vehicle's life.