Cinematic 8k wallpaper featuring cars engaged in a high-speed race through an intricately detailed cityscape, captured in an ultra-realistic 4k digital painting style. The scene boasts ornate architectural elements, with dynamic motion blur and radiant lumen reflections creating atmospheric lighting. Subsurface scattering and hyperrealism contribute to the intense cinematic composition, reminiscent of promotional art that's trending on social media platforms like Instagram and Tumblr. Shot with an f/1.8, 85mm lens, this masterpiece is rendered with unparalleled detail quality, movie-grade realism, and VFX post-production techniques. The composition is hyper-detailed, captured in high-definition HDR, and rendered using Unreal Engine 5 with a touch of film grain and the precision of Cinema4D's 8K 3D capabilities, highlighted by a redshift render to ensure the highest level of visual fidelity.