WARNING: Listening to this stereo recording with headphones is essential! Full details below…
Free audio tape attached to the April 1989 issue of UK high-performance motoring magazine Fast Lane (published 1984-1994). Pictures are from the 24-page supplement accompanying the tape. The cars featured are track-tested at Donington Park circuit by Mark Hales with Beki Adam as passenger (Top Gear presenter 1988-90).
The following cars are featured:
Porsche 911 Club Sport
Ford Sierra Sapphire RS Cosworth
Also tested were the Daihatsu Charade GTti and Ford Escort XR3i but these do not feature on the tape.
As referenced by Chris Harris in his Ferrari F40 drive and interview with Mark Hales: http://www.youtube.com/watch?v=3MDTcXGsjuo
A follow-up was recorded and released the following year: http://www.youtube.com/watch?v=091uTGCx6NI
This copy was digitised/restored from an original tape by myself in around 2004.