Deranged Ford Mustang GT-S700
Jaguar E-type Series 2 FHC 4.2 Manual
BMW E46 M3 Coupe
Cobra by DAX 6.3 V8 (De-dion chassis)
Cobra by DAX Big block 502ci " Widow maker "
The item you are attemping to add to compare is a different subtype to the items(s) in your list.
Only items of the same subtype may be compared.