2025 BYD Dolphin Surf Boost EV Electricity · LL75 SWF

As a 2025 model registered very recently, this BYD Dolphin Surf Boost EV does not yet possess an official DVSA MOT test history, as vehicles in the United Kingdom are legally exempt from their first mandatory annual test until they reach three years of age. Therefore, evaluating the maintenance trend through historical MOT certificates is not possible at this stage in the vehicle lifecycle. Instead, prospective buyers must rely entirely on a comprehensive physical inspection, a thorough review of the manufacturer digital service record, and verification of any remaining factory warranty coverage to ensure the structural and mechanical integrity of the chassis and high-voltage systems. The recorded mileage for this vehicle is currently unknown within the available dataset, providing insufficient information to accurately calculate annual usage rates or detect potential gaps in operation. For a modern electric vehicle of this age, typical driving patterns generally range from eight to twelve thousand miles per year, though lower figures are common for urban-focused hatchbacks like the Dolphin. Without specific mileage figures to compare against age, you should physically check the digital odometer on the central infotainment display during your initial viewing to confirm the exact distance covered and cross-reference this against any available purchase invoices or charging history logs. Given the absence of an MOT test history and an unknown mileage profile, your pre-purchase inspection must focus heavily on age-related wear, battery health, and components susceptible to standing deterioration. Inspect the high-voltage traction battery state of health through the vehicle on-board diagnostics or dedicated dealer diagnostic reports, paying attention to any signs of accelerated degradation, while also checking the traditional twelve-volt auxiliary battery for proper charge retention and terminal security. Examine the aluminium and steel underbody components, suspension wishbones, and brake discs for surface oxidation or binding calipers that can occur if the vehicle has been left standing unused on a forecourt for extended periods. During the static inspection and subsequent test drive, pay close attention to the regenerative braking system, ensuring a smooth transition between friction brakes and motor deceleration without any grinding noises or uneven pedal feel that might indicate corrosion on the brake discs. Listen carefully for any suspension clunks or knocks over potholes, which would reveal premature wear on anti-roll bar drop links or steering rack components despite the vehicle youth. Finally, confirm that all software infotainment updates are current, check the tyre tread depth and sidewalls for any age-related perishing or cracking, and verify that the stamped service schedule or digital log reflects the necessary annual maintenance intervals stipulated by BYD.