LG WM4000HWA TurboWash 360 — 8.6 / 10
The LG TurboWash 360 delivers genuinely fast wash cycles without sacrificing cleaning performance, making it one of the smartest front-load washers you can buy for a busy household.
We may earn a commission if you buy through links on this page. This does not affect our editorial independence.
Overview

The LG WM4000HWA TurboWash 360 is a 5.0-cubic-foot front-load washing machine aimed squarely at households that want quicker laundry without paying a luxury premium. With its six-motion Direct Drive motor, steam capabilities, and Wi-Fi–connected ThinQ app, it sits comfortably in the upper-mid-range of the front-loader market — priced below flagship Samsung and Miele models, yet packed with features that rival them closely.
The standout promise here is speed. LG claims the TurboWash 360 technology — a combination of multiple spray jets that saturate clothes from every angle — can clean a full load in as little as 30 minutes. For families juggling school uniforms, gym clothes, and weekly bedding, that kind of throughput matters enormously. The machine is also ENERGY STAR certified and earns an impressive Integrated Energy Factor (IEF) score, keeping utility bills reasonable despite its high-performance positioning.
This model is best suited to medium-to-large households (three to five people) who regularly deal with mixed, heavily soiled loads. Tech-forward buyers who enjoy app-based monitoring and voice-assistant integration via Amazon Alexa or Google Assistant will find the ThinQ connectivity genuinely useful rather than gimmicky. If you need a basic, no-frills machine, you can find cheaper options; but if speed, smart features, and a large capacity are on your checklist, the WM4000HWA deserves serious consideration.
Key Features
Six high-pressure nozzles saturate every layer of a load simultaneously, cutting standard cycle times by up to 30 minutes compared with conventional spray systems.
LG's six-motion Direct Drive eliminates the belt-and-pulley system for quieter operation, less vibration, and a longer motor lifespan — backed by a 10-year warranty.
Built-in steam penetrates fibres to loosen stains and reduce allergens. The dedicated Sanitary cycle reaches temperatures that eliminate 99.9% of bacteria, ideal for baby items or allergy sufferers.
The LG ThinQ app lets you start, pause, and monitor cycles remotely, receive end-of-cycle alerts, and download new wash programs. Alexa and Google Assistant voice control are supported out of the box.
One of the largest drums in its price class, this capacity handles a king-size comforter or roughly 20 lbs of laundry in a single load, reducing the number of wash sessions per week.
The diamond-textured stainless drum resists corrosion, prevents snagging on delicate fabrics, and maintains a consistent internal temperature for more even cleaning results.
Full Specifications
| Feature | Value |
|---|---|
| Model Number | WM4000HWA |
| Drum Capacity | 5.0 cu. ft. |
| Washer Type | Front Load |
| Color | White (also available in Black Steel) |
| Dimensions (W × H × D) | 27" × 38.6" × 30.3" |
| Weight | 197 lbs |
| Motor Type | 6-Motion Direct Drive |
| Maximum Spin Speed | 1,300 RPM |
| Wash Cycles | 14 preset + downloadable programs |
| Steam Feature | Yes |
| Sanitary Cycle | Yes |
| Wi-Fi / Smart Features | LG ThinQ, Alexa & Google Assistant |
| Energy Rating | ENERGY STAR Certified |
| Annual Energy Use | ~104 kWh |
| Annual Water Use | ~3,618 gallons |
| Noise Level (wash / spin) | 49 dB / 72 dB |
| Motor Warranty | 10 years |
| Parts & Labor Warranty | 1 year |
Pros & Cons
Pros
- Genuinely fast 30-minute TurboWash cycle
- Excellent cleaning results on heavily soiled loads
- Steam and Sanitary cycles add versatility
- Large 5.0 cu. ft. drum handles king-size bedding
- Quiet Direct Drive motor (49 dB during wash)
- ThinQ app is polished and consistently reliable
- 10-year motor warranty offers long-term peace of mind
- ENERGY STAR certified — low running costs
Cons
- Spin cycle reaches 72 dB — noticeable in open-plan spaces
- No integrated dispensing system for pods or single doses
- Pedestal sold separately — adds to total cost
- Full cycle downloads require account creation in ThinQ
- Door gasket requires regular manual drying to prevent mildew
- Only 1-year parts and labor warranty (motor aside)
Performance
Day-to-day, the TurboWash 360 lives up to its headline claim. Running the TurboWash 30-minute cycle on a mixed mid-sized load — jeans, t-shirts, gym wear — delivered results comparable to a standard 50-minute Normal cycle on competing machines. Stains from coffee and grass came out cleanly without pre-treatment, which is a testament to the 360-degree spray saturation working as advertised.
For heavily soiled items — think muddy sports kit or grease-stained work clothes — the Allergiene Steam cycle or the Sanitary cycle is the right choice. Both run closer to 60–75 minutes, but the results justify the time investment. Clothes emerge noticeably fresher and free from residual odour, and the steam visibly reduces wrinkles, cutting ironing time on shirts and dress trousers.
Tip: Enable the "End of Cycle" push notification in the ThinQ app and you'll never forget wet laundry sitting in the drum. The app also tracks energy use per cycle, which is useful for managing household running costs.
Noise levels deserve a balanced assessment. During the wash phase, 49 dB is impressively quiet — you can hold a normal conversation in the same room without raising your voice. However, the 1,300-RPM spin phase pushes the machine noticeably louder, registering closer to 72 dB in testing. It's not alarming, but buyers planning an open-plan installation should account for this. Installing on the optional LG pedestal and using the supplied anti-vibration feet helps, but doesn't eliminate it entirely.
The ThinQ app experience stands out in a category where smart features often feel bolted on. Cycle monitoring updates in near real-time, remote start works reliably over both 2.4 GHz and 5 GHz Wi-Fi networks, and the downloadable cycle library — which includes specialized programs for down jackets, silk, and sportswear — adds genuine everyday value after the initial setup.
Note on mildew: Like all front-loaders, the WM4000HWA requires regular door gasket maintenance. Wiping the rubber seal after each use and leaving the door ajar between washes is essential to prevent mildew buildup — something LG does address in its setup guide, but new front-loader owners should be aware of upfront.
Value for Money
The LG WM4000HWA typically retails in the $900–$1,050 range (prices fluctuate — check the link below for the current price), putting it at a competitive midpoint in the front-load washer segment. Compared with entry-level front-loaders around $700, the price jump buys you meaningfully faster cycles, steam functionality, a larger drum, and a substantially better smart-home integration. That gap is easy to justify for families doing six or more loads per week.
Looking upward, the jump to $1,400–$1,800 flagship machines from Samsung or Miele doesn't yield a proportional performance improvement in everyday laundry. Where those machines earn their premium — quieter spin, auto-dosing detergent dispensers, more sophisticated AI wash detection — matters more to buyers seeking a truly premium experience than to those who simply want fast, reliable, clean laundry. For the latter group, the TurboWash 360 hits the sweet spot.
Factor in the 10-year motor warranty and ENERGY STAR efficiency, and the total cost of ownership across a five-to-seven-year lifespan looks even more attractive. Lower energy and water bills make a small but consistent dent in running costs, and the robust motor warranty reduces the risk of a large repair bill down the line.
Final Verdict
The LG WM4000HWA TurboWash 360 earns its 8.6/10 rating by delivering on its core promise: fast, genuinely clean laundry backed by smart features that work. The TurboWash 30-minute cycle is not marketing fiction — it produces results that hold up against longer cycles on comparable machines. Steam, Sanitary, and the ThinQ app round out a feature set that feels cohesive rather than spec-sheet padding.
The louder spin cycle and the lack of a pedestal in the box are legitimate criticisms at this price, and the annual door-gasket maintenance routine is an ongoing commitment. But neither flaw is a dealbreaker, and neither undermines what this machine does best. For busy households who want to spend less time in the laundry room without settling for subpar cleaning, the TurboWash 360 is a confident recommendation.
How long does the TurboWash 30-minute cycle actually take?
In real-world testing with a medium mixed load (roughly 8–10 lbs), the TurboWash cycle completes in 28–34 minutes depending on selected spin speed. Heavier loads or lower spin settings can push this to around 38 minutes. For heavily soiled loads, LG recommends the Normal or Heavy Duty cycle instead.
Does the LG WM4000HWA require a special detergent?
The machine is designed for High-Efficiency (HE) detergent, which is clearly marked on most modern detergent packaging. Using non-HE detergent produces excess suds that can affect cleaning performance and trigger error codes. Both liquid and powder HE formulas work well; ultra-concentrated pods are compatible but must be placed directly in the drum, not the dispenser.
Can the LG TurboWash 360 be stacked with a dryer?
Yes. The WM4000HWA is stackable with compatible LG dryers using LG's dedicated stacking kit (model KSTK1), sold separately. LG's matching DLGX4001W or DLEC4001W dryers are the recommended pairings. Always check depth dimensions before purchasing to ensure the dryer venting route is accessible post-installation. Note: accessory and dryer model numbers change over time — verify compatibility on LG's website before ordering.
Is the ThinQ app required to use the washer?
No. All cycles and settings are fully accessible via the physical control panel on the machine. The ThinQ app is entirely optional and adds remote monitoring, smart notifications, downloadable cycles, and energy tracking for those who want them. The washer operates normally without ever connecting it to Wi-Fi.
How do I prevent mildew odours in the door gasket?
After every wash, wipe the rubber door gasket with a dry cloth to remove standing water, and leave the washer door ajar for at least an hour to allow air circulation. Running the Tub Clean cycle monthly — or every 30 cycles as prompted by the machine — with a washing machine cleaner tablet is also recommended. Consistently following these steps virtually eliminates mildew as a problem.