The LG 86UA9000 is an 86-inch class (86.4" diagonal) 4K UHD LED LCD smart television from LG's 2025 UA9000 lineup. It delivers a resolution of 3,840 x 2,160 with a native 120Hz refresh rate and a direct backlight panel, making it well-suited for fast-paced sports, gaming, and cinematic content.

Powered by the Alpha 8 AI Processor Gen2 (α8 AI Processor 4K Gen2), this TV uses artificial intelligence to detect content type and automatically optimize picture and sound. AI Super Upscaling enhances lower-resolution content to near-4K quality, while Dynamic Tone Mapping Pro and Precision HDR Master Pro deliver accurate contrast and an expanded color spectrum. The TV supports HDR10, HDR10 Pro, and HLG formats, and includes Filmmaker Mode to preserve the director's intended colors, frame rates, and settings.

The audio system features Precision Sound Master Pro with Dolby Atmos support and α8 AI Sound Pro, which creates a virtual 9.1.2 up-mix from a 2.0 channel speaker configuration. Clear Voice Pro and Auto Volume Leveling help maintain consistent dialogue clarity.

For gaming, the UA9000 includes HDMI 2.1 ports supporting 4K at 120Hz, Variable Refresh Rate (VRR), FreeSync Premium, NVIDIA GeForce NOW compatibility, Auto Low Latency Mode (ALLM), and an LG Game Optimizer dashboard. Xbox Game Pass Ultimate is accessible directly via the built-in Xbox app, requiring no console.

Smart TV functionality runs on webOS 25 with access to Netflix, Max, Disney+, YouTube, Prime Video, Apple TV, and more. Connectivity includes Wi-Fi 6E, Bluetooth 5.3, four HDMI inputs (with eARC on port 3), two USB 2.0 ports, Ethernet, optical digital audio output, and an RF input. Voice assistants including Amazon Alexa, Google Assistant, and ThinQ AI are built in, alongside Apple AirPlay 2 and Apple Home compatibility.

The TV measures 75.9" x 45.9" x 14.3" with stand and weighs 101.2 lbs with stand. VESA mounting pattern is 600 x 400mm. Typical power consumption is 239W. The Costco bundle includes an Allstate 3-Year Protection Plan for a total of 5 years of coverage combined with LG's included 3-year parts and labor warranty.