LG OLED 55G6 Review

The LG OLED 55G6 arriving at the top of the rankings surprised even the test engineers — the equipment list has gaps and the power draw is nothing to celebrate. But picture quality carries 60 per cent of the overall score, and this panel's picture is so commanding that the G6 currently sits 1st of 57 televisions tested, with a "very good" (1.3). Its 77-inch C-series stablemate impressed us similarly — see our LG OLED77C6 review — but the G6 is the stronger panel of the two families.

With 4K HDR material the OLED fundamentals show first: genuinely black blacks with pinpoint "spotlight" details — stars, streetlights — rendered precisely against them, and rich detail in both dark and bright scenes with no washed-out colours or harsh transitions. Full HD in SDR looks superb too: where other sets swallow subtleties in dim scenes, the G6 keeps them visible, with only the last sliver of dark-scene detail left on the table. Colour transitions in SDR drew explicit praise, with no flicker or blotching even under close inspection — and the screen's anti-reflective coating is excellent, holding quality even in bright rooms.

Then the measurements. Peak brightness reached 3,597 cd/m² in the brightest mode — currently the second-highest figure in the entire ranking — and, more remarkably, 3,546 cd/m² in Filmmaker mode, the film-accurate preset. No other set in the test manages that; the predecessor G5 reached only around two-thirds of this brightness. Colour coverage measured 99.7 per cent of DCI-P3 — effectively complete — and 79.5 per cent of BT.2020 (Sony's sets lead that wider gamut, which barely features in real content today).

Worth knowing: these figures come from a re-test. The G6 originally shipped with firmware whose Filmmaker mode peaked at just 1,706 cd/m²; a subsequent update roughly doubled that to the measured 3,546, and lifted mid-brightness values as well. The lab re-measured and re-scored accordingly — buy it today and you get the updated behaviour.

The panel runs at up to 165 Hz, making motion conspicuously smooth in sport and fast games alike, and input lag in game mode measured a near-imperceptible 11 ms (1080p at 60 Hz). All four HDMI inputs support HDMI 2.1 — no port roulette when connecting a console and a soundbar.

The gaps that cost the G6 its equipment score are specific. There is only a single digital tuner per reception path, so you cannot record one channel while watching another. DTS audio is not supported, which affects some Blu-rays. And in HDR, LG sticks to HDR10, Dolby Vision and HLG — no HDR10+. Smaller niggles include a remote without backlit keys.

Beyond that the list is healthy: three USB ports with USB recording, Bluetooth headphone support, digital audio out, LAN and Wi-Fi, and webOS with the major apps — Netflix, Prime Video, Disney+, YouTube and the rest — preinstalled, with further apps requiring an LG account. Sound comes from a 4 × 10 W array with subwoofer.

Energy efficiency is where the G6 scores worst. The 55-inch model averaged a measured 77.3 W in SDR and a substantial 175.7 W in HDR (0.4 W standby) — somewhat high relative to its size, though within bounds, and essentially identical to its predecessor. The EU label reads E for SDR, G for HDR.

The G6 family repays attention to its model codes, because some variants ship without any table stand. In the tested range, suffixes ending LS include a height-adjustable stand (leaving room for a soundbar), while LW models are wall-mount only. The UK listing verified for this review — model OLED55G62LW — is the wall-mount version: a bracket is the mounting plan, not a TV cabinet. The test covered the 55-inch size; 48 and 65 inch versions exist, and the lab expects its findings to carry over to the 65-inch panel.

At the time of writing, Amazon UK lists the OLED55G62LW (wall-mount version) at £2,099.00, new. That is flagship money — the test's price verdict is "expensive" — but it buys the strongest overall television in the current ranking. For the wider field, our best OLED TVs guide covers the alternatives.

The G6 wins the old-fashioned way: on picture. Reference-grade blacks, extraordinary brightness that survives even the accuracy-first Filmmaker mode, effectively full DCI-P3 coverage, superb anti-reflection and gaming credentials to spare — that is what first place of 57 looks like. The single tuner, missing DTS and HDR10+, and thirsty HDR mode are real deductions that better-equipped rivals avoid; none of them touches what you actually see. If the picture is the point, this is currently the television to beat — just check that model suffix matches how you plan to mount it.

When did the LG OLED G6 come out? It is LG's 2026 flagship OLED generation — the unit here was lab-tested on 10 July 2026, and it currently tops the television rankings.

Is the G6 available in the UK? Yes. At the time of writing, Amazon UK listed the 55-inch model at £2,099.00 — specifically the OLED55G62LW, which is the wall-mount version with no table stand in the box. Check the model suffix against your mounting plan before ordering.

How much better is the G6 than last year's G5? On the headline measurement, dramatically: the predecessor G5 reached only around two-thirds of the G6's measured brightness. The G6's 3,546 cd/m² in accuracy-first Filmmaker mode is currently unmatched by any set in the test field.