Corrosion at arches, sills and subframes despite better protection
SeriousBodywork & RustHagerty’s C70 at 30 buying advice says rust is rare compared with its 850-era rivals but is emphatic that wheel arches, sills and subframes must be checked, especially on early cars. The Volvo Owners' Club rust guide details the general Volvo failure pattern - blocked sill drains rotting the section from inside out and box-section corners lifting paint. On a 25-plus-year-old convertible, a straight car is the exception that earns its premium.
Bubbling at the arch seams or rear bumper frame mountings, Paint flaking at the sill edges under the doors, Crusty or freshly painted subframe area on a ramp check
- Inspect with the car on a ramp, focusing on the subframe and its mountings
- Compare the grain of the arch paint - patched sections mean past welding
- Review how the car was stored; a garage-held example is worth paying for