The list of the top 10 most luxurious cars released this year is subjective and can vary depending on personal preferences. However, based on critical acclaim and features, here are ten luxurious cars released in 2021:

1. Rolls-Royce Ghost: Known for its exquisite craftsmanship and a serene ride, the Ghost is a symbol of opulence and luxury.
2. Bentley Flying Spur: Combining power and elegance, the Flying Spur offers a refined interior and remarkable performance.
3. Mercedes-Maybach S-Class: This super-luxurious variant of the S-Class boasts cutting-edge technology, lavish features, and a spacious cabin.
4. Aston Martin DBX: As Aston Martin’s first-ever SUV, the DBX offers a blend of luxury, athleticism, and off-road capabilities.
5. Porsche Panamera Turbo S: The Panamera Turbo S is a high-performance luxury sedan with a comfortable interior and impressive driving dynamics.
6. Lexus LS: Known for its excellent build quality and impressive reliability, the LS offers serene comfort combined with advanced technology.
7. Audi A8: Audi’s flagship model, the A8, showcases a luxurious interior, innovative features, and a range of powerful engines.
8. BMW 7 Series: This luxury sedan from BMW provides a comfortable ride, cutting-edge technologies, and a variety of powerful engine options.
9. Jaguar F-Type: The F-Type is a luxury sports car that offers thrilling performance, elegant design, and a chic interior.
10. Genesis G90: As Genesis’ flagship sedan, the G90 delivers a plush and sophisticated cabin, advanced safety features, and a smooth ride.

Please note that this list is not exhaustive and there are several other luxurious cars released in 2021 that might be deserving of inclusion.