Porsche not too long ago revitalized its Sonderwunsch system with a series of a single-off creations. Nevertheless, throughout its initial tenure, the custom commission division made important operates, and this 1989 Porsche 928 GT ‘Flachbau’ or ‘Slantnose’ serves as a testament to that legacy.

Going up at auction in Paris, France, this special 928 underwent modifications by Porsche’s Sonderwunsch — or specific wishes — group. This tends to make it the only factory 928 GT to have been equipped with covered pop-up headlights, rather than the round, stand-up units that other people had been fitted with.

In addition, it also got the complementary XB2 and XC1 possibilities, which imply that it has each the wider physique skirts, and the wider rear wheel arches. And to best it all off, it is equipped with aerodynamically-optimized side mirrors, and deep-dish wheels.

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Photos RM Sotherby’s / Dirk de Jager

Not surprisingly, offered its special nature, this dream machine has had only a single owner. Over the course of the previous 35 years, this person has taken exceptional care of the car, regularly servicing it at Porsche service centers.

Considering its age, it hasn’t carried out a entire heck of a lot of driving. The odometer reads just 56,636 km (35,192 miles), but the seller warns that is not correct. In 2003, its odometer was replaced at the Porsche Center Saarland. However, at the time, it study just 11,500 km (7,145 miles), so it remains a gently utilized auto.


This 929 ‘Slantnose’ instance is a GT model, which implies that it was only provided with a manual transmission. It also came equipped with restricted luxury possibilities, in order to preserve drivers comfy, although maintaining weight low. Finally, the 928 got a slightly far more strong version of Porsche’s five.-liter V8, which produced 326 hp (243 kW/330 PS), as opposed to the regular car’s 316 hp (235 kW/320 PS).

This 1989 Porsche 928 GT ‘Flachbau’ will be provided for sale at RM Sotheby’s Paris 2024 auction, which runs from January 30-31, 2024. Estimates recommend that it will bring in amongst $195,000 and $300,000.

Photos RM Sotherby’s / Dirk de Jager