2025 BYD Seal U Boost DM-I Phev Auto 1.5L Hybrid electric · FD25 GDV

There is no DVSA MOT history on file for this 2025 BYD Seal U DM-i PHEV. As a vehicle first registered in 2025, it would not yet be required to undertake its first compulsory MOT test until its third anniversary of registration, so the absence of any recorded test data is entirely expected and should not be treated as a concern. Because no pass, failure, or advisory information exists in the official record, it is not possible to evaluate a maintenance trend, and any judgement on the car's roadworthiness must therefore rest on physical inspection, documentation review, and the general mechanical expectations of a nearly-new plug-in hybrid. Recorded mileage is not available, and there is insufficient historical data to compare against the vehicle's age. For a car that is only one year old, typical annual mileage could range anywhere from very low commuter use of around 5,000 miles to high-mileage company or rep fleet usage exceeding 20,000 miles per year. Without a figure it is impossible to assess whether the vehicle has been used gently, driven hard, or left standing for long periods, and a buyer should establish an accurate current mileage immediately by reading the odometer and cross-referencing it against any service invoices or PDI handover documentation. Plug-in hybrids are particularly sensitive to usage patterns, as prolonged low-use without regular charging can degrade the high-voltage battery state of health, while very high mileage will accelerate wear on the conventional components such as the combustion engine's ancillaries, brake discs, and suspension. As no advisories or defects are recorded, the practical buyer focus should be on age- and technology-appropriate checks rather than chasing known failure points. Tyres should be inspected closely for uneven shoulder wear, which can indicate misalignment or worn suspension bushes, and for sidewall perishing or cracking from age or prolonged UV exposure, even if tread depth remains legal. Brake discs, particularly on a hybrid that uses regenerative braking, should be checked for surface corrosion and pitting from standing, and the calipers confirmed as free sliding without binding, as seized calipers are a known issue on lightly used hybrids where the friction brakes see minimal application. The 12V auxiliary battery and the high-voltage traction battery state of health should be verified via the dealer diagnostic system, and the charging cable and connector examined for damage or contamination. Service items must be confirmed regardless of mileage, as they are largely calendar-based. Coolant, brake fluid, transmission oil, and the PHEV-specific inverter and power electronics coolant all degrade with time and would typically be due for renewal within the first two to three years regardless of distance covered. The engine oil and filter should have been changed at least once under the manufacturer's schedule, and a stamped service book or digital service record from a BYD-authorised agent should be present. On a test drive, listen for any untoward noises from the suspension over bumps, check for pulling under braking, ensure smooth transitions between electric and petrol drive modes, and confirm that the infotainment, reversing camera, parking sensors, and driver assistance systems all function correctly. Finally, verify that the vehicle history check shows no outstanding manufacturer recalls, and obtain confirmation of warranty cover for the remaining balance of the standard three-year package and the separate eight-year traction battery warranty, as these will be critical to the residual value and long-term ownership cost of the vehicle.