Based on the provided information, the car appears to be in very good condition overall. The seller notes some discolouration on the interior door trims, but no mechanical or electrical faults. The car passed its last MOT test with no advisories. The listing mentions some modifications such as an upgraded engine and aftermarket parts, which can add value if done well. However, potential buyers should still conduct their own inspections and research to ensure they are satisfied with the car's condition and modifications.