Sponsored Content Presented by RM Sotheby’s.
Before producing the alarmingly quick CTR Yellowbird, RUF was offering upgraded models of the Porsche 911. One of those models, built from 1983-'89, was the 930-based BTR, like this example available from RM Sotheby’s.
The centerpiece of the BTR was its engine: Displacement was increased to 3.4-liters and the turbocharger was tweaked. These …
