It is difficult to accurately predict which specific youngtimer cars will be popular as preferences can vary among car enthusiasts and trends can change. However, based on current trends and the popularity of certain models, here are a few youngtimer cars that could continue to gain attention in 2023

1. Porsche 911 (964 generation): The Porsche 911 from the 964 generation (produced from 1989 to 1994) has been gaining popularity among collectors. With its classic styling, iconic silhouette, and improved performance, the 964 has become a desirable choice for those seeking a youngtimer sports car.

2. BMW M3 (E36 generation): The BMW M3 from the E36 generation (manufactured from 1992 to 1999) is another popular youngtimer. Known for its balanced handling, powerful inline-six engine, and timeless design, the E36 M3 has been rising in popularity as enthusiasts recognize its value and potential for future appreciation.

3. Honda NSX: The Honda NSX, or Acura NSX in the United States, is a legendary sports car that was produced from 1990 to 2005. With its mid-engine layout, precise handling, and innovative technology, the NSX has gained a dedicated following and has seen a surge in interest in recent years.

4. Mercedes-Benz 190E 2.3-16 Cosworth: This performance-oriented sedan, produced from 1983 to 1988, is the result of a collaboration between Mercedes-Benz and Cosworth. The 190E 2.3-16 Cosworth features a powerful 2.3-liter engine, aggressive aerodynamics, and a reputation for being a capable and fun-to-drive youngtimer.

5. Toyota Supra (MK IV): The fourth-generation Toyota Supra, manufactured from 1993 to 2002, has become an icon among automotive enthusiasts. With its timeless design, powerful twin-turbo inline-six engine, and rear-wheel drive, the MK IV Supra has gained a cult following and has seen a resurgence in popularity thanks to its appearance in the Fast and Furious movies. These are just a few examples of youngtimer cars that could remain popular in 2023.

However, as tastes can change, it is always important to consider personal preferences and conduct research before making a purchasing decision. Ultimately, the appeal of youngtimer cars lies in their unique combination of classic design, modern features, and the nostalgia they evoke for a specific era in automotive history.