Cinematic 8k wallpaper featuring high-speed race cars in an electrifying competition, masterfully crafted with ultra-detailed 4k digital painting. The scene unfolds in an intricately designed cityscape, highlighted by dynamic motion blur and striking lumen reflections. Atmospheric lighting enhances the hyperrealism, with subsurface scattering and intense cinematic composition creating a visually stunning effect. This promotional art is designed to captivate, perfect for trending on Instagram and Tumblr. Shot with an f/1.8 aperture and 85mm lens, it exudes ultra-realistic movie quality, enhanced by VFX post-production and hyper-detailing. The scene boasts HDR richness, deftly utilizing Unreal Engine 5's capabilities, complete with film grain textures. Rendered with precision in Cinema4D and Redshift, this 8K 3D image delivers exceptional detail quality and filmic intensity.