It can be hard to improve upon a Porsche, but German tuner Ruf Automobile has spent the past few decades showing that it’s possible. And now, a stunning mini-collection of their elevated sports cars is headed to auction.

Gooding & Company will offer four Ruf-tuned Porsches as part of its annual Amelia Island sales event next March. Whether you value about performance or style, at least one of these gorgeous speed machines is likely to appeal to you.

Although Ruf was founded at the tail-end of the ‘30s, the shop’s true breakthrough didn’t come until it started working on Porsches in the early ‘80s. It’s no secret why. The tuner has repeatedly found ways to get more out of the German marque’s already excellent powertrains, while also making their cars look even cooler—especially if you’re a fan of bright colors. Each model is built in-house and comes with one of the tuner’s W09 VIN numbers.

You can’t really ask for a better show of what makes a Ruf build special than the cars on offer at the auction. The quartet includes a pair of matching 1998 Turbo Rs finished in paint-to-sample Blutorange, or blood orange, and equipped with a twin-turbocharged flat-six. The coupé is one of just 15 examples, while the cabriolet is the only open-top Turbo R Ruf built. There’s also a 1997 BTR2 in Speed…