Cinematic 8k wallpaper featuring high-speed racing cars, captured in an exhilarating action scene, showcasing an ultra-detailed and intricately designed cityscape. The scene is brought to life with impressive motion blur and stunning lumen reflections. Enveloped in atmospheric lighting, the cars exhibit realistic subsurface scattering and hyperrealistic details, all within an intense cinematic composition. This promotional art piece is trending on Instagram and Tumblr, shot with a f/1.8 aperture and 85mm lens, boasting ultra-detailed, hyper-real render quality akin to movie visuals. Enhanced through VFX post-production, the hyper-detailed image is rendered in HD, HDR, 8k, and 4k, with cinematic film grain. Using Unreal Engine 5 and Cinema4D, and rendered with Redshift, this 8k 3D image exemplifies ultimate realism and perfection in every detail.