1973 Lamborghini Countach LP 400

Development and Production Origins
The Lamborghini Countach LP 500, initially an "idea car" showcased to gauge public reaction, garnered immediate success but required further development before production. Over two years of rigorous testing by legendary test driver Bob Wallace, the LP 500 prototype evolved into a production model. Exhibited at the 1971 Paris and Turin motor shows, the Countach underwent significant modifications, particularly for engine cooling and air intake, leading to the addition of Naca side air intakes and revised nose design.

• The Lamborghini Countach LP 500 prototype evolved over two years of testing before becoming a production model.
• Significant modifications were made to the Countach LP 500, including the addition of Naca side air intakes and a revised nose design.
• The original 5-liter engine was replaced with a 4-liter engine due to issues during early road tests.
• The Lamborghini Countach LP 400 debuted at the 1973 Geneva Motor Show with chassis #1120001.
• The LP 400 featured a tubular trellis frame and an aluminum body, unlike the LP 500's steel panels.
• The production model's design offered enhanced rigidity, using a tubular steel frame, fiberglass base, and metal panels.
• The 4-liter engine in the Countach LP 400 produced 375 hp at 8000 rpm, achieving speeds close to 300 km/h.
• The suspension system, derived from race cars, included hydraulic shock absorbers, coil springs, and an anti-roll bar.
• The LP 400 is regarded as the purest version of Marcello Gandini's design, making it highly desirable among collectors.
• Only 152 units of the Lamborghini Countach LP 400 were produced, increasing its value and rarity in the classic car market.