Merkur dealerships couldn't even move 3000 of these cars in 1989, which makes this a very rare car. The biplane spoiler of the first few years of the XR4Ti became this tamer-looking single spoiler. 13 – 1989 Merkur XR4Ti … …

The rest is here:
Junkyard Find: 1989 Merkur XR4Ti | The Truth About Cars