The Audi Quattro Group 4 1981 is a legendary rally machine that helped revolutionise motorsport in the early 1980s. Developed by Audi, this Group 4 variant was built specifically for competition under the FIA’s rally regulations. Its groundbreaking feature was the quattro all-wheel-drive system, providing unprecedented traction on gravel, snow, and tarmac, giving Audi a decisive edge over rivals.

The 1981 Quattro Group 4 sported a turbocharged inline-five engine, flared wheel arches, and lightweight body modifications to maximise performance. Its combination of power, handling, and innovative technology made it a dominant force in the World Rally Championship, establishing Audi as a pioneer in four-wheel-drive rallying and leaving a lasting legacy in motorsport history.