Future Classic Car Legends

Let me tell you about a car that makes you feel like a rockstar for the price of a used hatchback.

The Jaguar XK8 convertible (1996–2006) is one of the most undervalued grand tourers on the market right now. It’s got Geoff Lawson’s gorgeous, timeless styling – long bonnet, cat‑like stance, and that perfect convertible silhouette. It’s got a 4.0L V8 (the first V8 Jaguar ever built) that purrs at idle and snarls when you push it. And it’s still hovering around £10,000–£15,000 for a good one or $35-50,000 in Australia.

That won’t last forever.

Why the XK8 convertible is future gold

Here’s what collectors are slowly waking up to: The XK8 marks a turning point for Jaguar. It was the first car designed entirely under Ford ownership, and it brought modern reliability to a brand famous for… well, the opposite. The AJ26 V8 was smooth, torquey, and surprisingly tough – a proper grand touring engine.

The convertible specifically has that extra romance factor. Top down, burbling through a countryside B‑road, you’re getting 95% of an Aston Martin DB7 experience for 20% of the money. And speaking of DB7 – did you know they share a platform? Same underpinnings, similar designer (Ian Callum finished what Lawson started). But the XK8 badge keeps prices sensible. For now.

The collector tip you absolutely need

And here’s the thing every potential buyer must know: the timing chain tensioners.

On early cars (1997–2001 with the 4.0L engine), Jaguar used plastic tensioners. They fail. When they fail, your engine eats itself. It’s a £2,000–£3,000 repair if you catch it early – or a £10,000 engine replacement if you don’t.

So here’s your move: Look for a car that has documented proof of updated metal tensioners (the later 4.2L cars from 2003+ have them from factory). If you find a cheap 1998 convertible, budget £500 for the parts and a weekend with a mechanic friend. Do it immediately after purchase. I’m not joking.

Other things to check: the convertible hydraulic system (listen for pump noise when lowering the roof) and the front suspension bushings (they wear every 40k miles). A car with a full service history is worth a £2,000 premium. Pay it.

Why it’s still undervalued

A Jaguar XK8 convertible costs less today than a mid‑spec Toyota Corolla. Meanwhile, Mercedes SLs from the same era (R129) are already climbing past £20k, and BMW 840i convertibles are becoming sought after. The XK8 is the last V8 Jag convertible to stay affordable – and I believe that changes in the next three to five years.

The coupe gets the collector love now. But convertibles always catch up. Always.

My prediction

By 2030, a clean, low‑mileage XK8 convertible with the metal tensioners and full history will sell for £25,000–£30,000 or more than $60,000 in Australia. That’s a double from today’s money. And in the meantime, you get to own one of the most beautiful V8 convertibles ever made.

Just fix the tensioners first.

Question for you: Would you take an XK8 convertible over a Mercedes SL500 from the same era? Or is the Porsche 928 (yes, I know, I love those too) still your pick? Let me know in the comments.

Keep the roof down,

– Future Classic Legends