1. 15-inch alloy wheels:
- The 1999 Z24 Cavalier convertible typically came with 15-inch alloy wheels. These wheels often featured a multi-spoke design and a silver finish.
2. Steel wheels with hubcaps:
- Some base model or non-Z24 versions of the 1999 Cavalier convertible may have come with steel wheels instead of alloy wheels. These steel wheels would typically have hubcaps with a Cavalier logo or a generic design.
3. Optional alloy wheel upgrades:
- While the 15-inch alloy wheels were standard on the Z24 model, some dealerships or aftermarket customization options might have offered different alloy wheel designs as upgrades. These could have varied in appearance, size, and finish.
4. Changes due to previous ownership or modifications:
- It is important to note that the vehicle may have undergone modifications or changes in wheels by its previous owners or due to maintenance and repair work.
If you want to be certain about the original wheels of a specific 1999 Z24 Cavalier convertible, it would be best to consult the vehicle's original documentation (e.g., owner's manual or window sticker) or contact a dealership that can provide information about the original specifications for that particular vehicle.