Rear arch, sill and door bottom corrosion
- Typically appears
- Age-related
- What to inspect
- Probe the arches and sills, look for fresh underseal

A 2020 Ford Transit is now 6 years old, so an average example has covered around 81,000 miles. A mid-run car · most launch faults had been addressed by this point, and wear items are the main risk at this age. Check the state safety inspection and service history alongside the documented faults below, which are sorted by whether a 2020 car has usually reached the mileage where they appear.
Compiled & reviewed by the VehicleFaults Research Team
The 2020 Ford Transit is 6 years old, so an average example has covered roughly 81,000 miles. At that mileage most documented faults are still ahead of it, so servicing evidence matters more than wear. A further 3 typically appear later in the car's life.
Age, electronics and build-related issues that are not mileage-driven.
Rear arch, sill and door bottom corrosion
Typically appear later than this year's average mileage · worth budgeting for rather than inspecting.
2.0 EcoBlue wet belt failure taking out the oil pickup
DPF and EGR blockage on stop-start delivery work
Clutch and flywheel wear on heavily loaded vans
Generate a tickable pre-purchase checklist for this exact year, mileage and variant · add photos and notes as you inspect.
Check this exact carAnything with proof. A documented 150,000-mile van is a safer buy than an unknown 80,000-mile one.
A wet belt failure. It usually means an engine, not a repair.
Corrosion. Rusty arches kill retail price faster than mileage does.