LG WM4000HWA Front Load Washer vs Siemens iQ800 WT47W581GB Front Load Washer
Side-by-side comparison of features, pricing, ratings, and alternatives.
The LG WM4000HWA is a 4.5 cubic foot front-load washing machine offering TurboWash technology that cuts wash time while maintaining cleaning performance, along with built-in steam cycles for sanitizing and reducing wrinkles without a separate dryer step. SmartThinQ app connectivity lets users start, stop, and monitor cycles remotely, receive maintenance alerts, and download additional wash cycle programs directly to the machine over Wi-Fi. Allergiene cycle uses steam to remove up to 95% of common household allergens from bedding and clothing, addressing a specific need for households managing allergies, while a large capacity accommodates bigger loads like comforters.
The Siemens iQ800 WT47W581GB combines a spacious 9 kg drum with AI‑controlled wash programs that automatically adapt water, temperature and spin speed to each load. Its iQdrive motor delivers ultra‑quiet operation and long‑lasting reliability, while the Home Connect app lets you start, monitor and troubleshoot cycles from anywhere. Designed for modern households, the washer features a sleek black stainless steel finish, a large EasyTouch display, and a range of specialized cycles for delicate fabrics, sportswear and allergen‑free cleaning. Energy‑saving technologies such as VarioPerfect and EcoSilence Drive help reduce both utility bills and environmental impact.
Around $999.99 MSRP.
- Fast TurboWash cycles
- Useful steam sanitization features
- Large capacity for big loads
- Good smart app integration
- Highly efficient AI‑adjusted washing saves water and electricity
- Very quiet operation thanks to EcoSilence and iQdrive
- Large 9 kg capacity reduces number of loads per week
- Full smart connectivity with Home Connect app
- Front-load design requires occasional gasket cleaning
- Premium price versus basic top-load washers
- Steam cycles add to cycle time and water use
- Higher upfront price compared to basic models
- Touchscreen controls may be less intuitive for some users
- Requires Wi‑Fi for full smart features
What reviewers say
LG WM4000HWA Front Load Washer Reviews
4.0 (3)Solid choice
I picked up LG WM4000HWA Front Load Washer a while back and haven't looked back. Large capacity for big loads. One minor gripe: steam cycles add to cycle time and water use, but it hasn't been a dealbreaker. Would recommend.
Does exactly what we need
LG WM4000HWA Front Load Washer has quickly become part of our daily routine. Good smart app integration. One minor gripe: premium price versus basic top-load washers, but it hasn't been a dealbreaker. Would recommend.
Great washing-machine
Been a regular user of LG WM4000HWA Front Load Washer for a while now. Fast TurboWash cycles. One minor gripe: steam cycles add to cycle time and water use, but it hasn't been a dealbreaker. Would recommend.
Siemens iQ800 WT47W581GB Front Load Washer Reviews
No reviews yet.
More alternatives & similar tools
Alternatives to LG WM4000HWA Front Load Washer
View all →Smart home ecosystem connecting your Bosch kitchen and laundry devices to your mobile phone.
Efficient front-load washer with SmartBoost technology
Premium 9 kg washer with AI‑driven cycles and full app control
Fast and efficient front load washer with 30-minute quick wash cycle
Alternatives to Siemens iQ800 WT47W581GB Front Load Washer
View all →A large-capacity smart washing machine with steam sanitization.
Premium 9 kg washer with AI‑driven cycles and full app control
Efficient 8kg front‑load washer with Home Connect smart control
The Verdict
AI-generated from listing dataThe Siemens iQ800 offers quieter operation, better energy rating, larger capacity, and lower price, while the LG WM4000HWA provides steam sanitization and a robust SmartThinQ app.
Key differences
- •Capacity: Siemens 9 kg drum vs LG 4.5 cu ft drum (larger load size for Siemens).
- •Energy efficiency: Siemens rated A+++; LG energy rating not provided.
- •Noise: Siemens max 85 dB(A) with EcoSilence; LG noise level not specified.
- •Smart features: LG uses SmartThinQ app; Siemens uses Home Connect with AI‑driven wash adjustments.
- •Price: LG around $999.99; Siemens €799 (approximately $860), making Siemens cheaper.
Capacity
Siemens specifies a 9 kg drum, which is larger than LG's 4.5 cu ft drum.
Energy efficiency & running cost
Siemens has an A+++ energy rating; LG provides no energy rating.
Noise level
Siemens advertises up to 85 dB(A) with EcoSilence; LG noise level not disclosed.
Size & footprint
Both are front‑load units; dimensions only given for Siemens (85 × 60 × 60 cm).
Features
LG offers TurboWash, steam sanitization, Allergiene; Siemens offers AI‑adjusted cycles, EcoSilence, VarioPerfect.
Ease of cleaning / maintenance
LG notes required gasket cleaning; Siemens provides no such maintenance caveat.
Price
LG MSRP ~ $999.99; Siemens €799 (~$860), making Siemens less expensive.
Warranty
Siemens includes a 2‑year warranty; LG warranty not specified.
Choose LG WM4000HWA Front Load Washer if…
Buyers who prioritize steam sanitization and LG's SmartThinQ ecosystem.
Choose Siemens iQ800 WT47W581GB Front Load Washer if…
Buyers who want lower noise, higher energy efficiency, larger load capacity, and a lower price.
Common questions
Which washer is cheaper?
The Siemens iQ800 costs €799 (≈$860), while the LG WM4000HWA is about $999.99.
Which model is quieter?
Siemens advertises up to 85 dB(A) with EcoSilence technology; LG does not provide a noise rating.
Do both washers have smart‑phone control?
Yes. LG uses the SmartThinQ app; Siemens uses the Home Connect app with AI‑driven wash programs.