The Volkswagen Golf Mk4 is a compact car, the fourth generation of the Volkswagen Golf and the successor to the Volkswagen Golf Mk3. Launched in October 1997 for the 1998 model year, it was the best selling car in Europe in 2001.
The Volkswagen Golf Mk3 is a medium-sized compact family car. It's the third generation of the Volkswagen Golf and the successor to the Volkswagen Golf Mk2, which was produced by Volkswagen from August 1991 to 2002.