New research from confused.com has named the classic cars which offer the highest return on investment. The car with the greatest increase in its estimated value is the Ferrari F355 which has grown from £ 47 450 to £ 148 920 a total of 213.8%. The F355 was launched in 1994 as the successor to the 348 with a greater emphasis on performance and driveability in different environments. Another Ferrari that has seen its value more than double in the last three years is the Testarossa increasing from £ 83 220 to £ 175 930. The Ferrari Testarossa grew in value by 111.4% over the last few years. The Lamborghini Miura and Ferrari F40 rank in joint third place. The Miura s valuation has grown from £ 675 250 to £ 1.35 million while for the Ferrari F40 prices have grown from £ 949 000 to £ 1.898 million both equal to 100%. Further insights from the survey include: The world s best classic car is the Lamborghini Miura based on ROI rarity and popularity. The most popular classic car is the Nissan Skyline GT-R which saw 8.21 million searches in the last year. The most popular classic car on social media is the Lamborghini Diablo with over 150 000 posts on Instagram and 14.6 billion views on TikTok.