2026 BYD Seal U Comfort DM-I Phev Auto 1.5L Hybrid electric · FM26 GPO

A prospective buyer of this 2026 BYD SEAL U COMFORT DM-I PHEV should note that there is no official DVSA MOT history available for this vehicle. As the car is registered in 2026 and today’s date is September 2026, it may not yet have reached the age threshold at which an MOT test is mandatory under current UK regulations, which requires testing once a vehicle is three years old. Consequently, there are no recorded pass or fail outcomes, advisories, or defect entries to draw upon for a trend analysis. In the absence of MOT data, it is not possible to evaluate whether the vehicle’s maintenance pattern is stable, worsening, or improving based on official testing, and any assessment of its roadworthiness must rely entirely on a physical inspection and verification of its service documentation. The recorded mileage for this vehicle is described as unknown, and there is insufficient data to compare mileage against the vehicle’s age. As a 2026 model with likely very low or negligible usage, the car may have covered only delivery miles, dealership preparation mileage, or a short period of ownership. If the vehicle has been used very infrequently, this carries its own set of mechanical considerations, particularly for a plug-in hybrid powertrain which relies on both internal combustion and high-voltage electric systems. Extended periods of standing can affect 12V auxiliary batteries, brake calipers through corrosion or seizing, and the long-term health of the hybrid battery if not periodically charged and exercised. Conversely, if the vehicle has been used heavily in a short time, it is worth ensuring that all initial manufacturer service schedules have been observed. Given the lack of MOT data and the vehicle’s near-new status, a prospective buyer should focus on verifying that all pre-delivery inspections and any early manufacturer services have been completed and documented in the service book, including software updates and high-voltage battery conditioning checks specific to BYD DM-I plug-in hybrid systems. It is advisable to confirm the operational status of the petrol engine, electric drive system, and regenerative braking function, as well as to inspect for any stored diagnostic trouble codes using an OBD-II scanner compatible with BYD systems. Ensure that charging cables and the plug-in charging port are present and undamaged, and verify the age and condition of the 12V battery, as even new vehicles can suffer from depleted cells if left standing on a forecourt without regular maintenance charging. Physically, the buyer should inspect the tyres for any signs of flat-spotting, premature sidewall cracking from age, or uneven wear patterns, and check that the manufacturing date codes on the sidewalls are recent. Brake discs may show surface corrosion from standing, which is normal but should not have progressed to pitting or lipping, and caliper sliders should be free of seizing. All fluid levels, including engine oil, coolant, brake fluid, and the specific fluids required for the hybrid transmission and inverter cooling system, should be checked and confirmed to be within service specifications. Finally, examine the underside and bodywork for any transport damage, stone chips, or panel misalignment, and verify that all owner manuals, key fobs, and the charging equipment are present and functional before committing to purchase.