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LG 42LW551

LG 42LW551

42" May 2011
Display Diagonal HD Type Release Date
£153.66 Electricity cost over 5 years. Calculate
Available from international sellers only
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3 Reasons For

LG TVs Have Good Reviews

We checked 7,001 expert and owner reviews for LG televisions and found that on average LG has good reviews compared to other brands. We also found that LG has good reviews specifically for its mid-size TVs.

Four HDMI Ports Quantitys

four HDMI ports quantitys

The 42LW551 is a four HDMI ports quantity television.

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Quite High RMS Rated Power

The 42LW551 has one of the higher RMS rated powers (20 Watts) amongst mid-size TVs of this age. The lowest RMS rated power of TVs that were launched more than two years ago is 4W, the highest is 80W, and the average RMS rated power is 18W.

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7 Reasons Against

Does Not Have a Wi-Fi

Like most of the other comparable spec TVs that have been on the market for a similar time to the 42LW551, the LG 42LW551 does not have a wi-Fi.

Alternative televisions which also have a wi-Fi that you might want to look at include the Panasonic TX-L32E30, or the LG 42LB670 which also has a higher rating.

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Does Not Support Smart TV

The 42LW551 does not support smart TV. Most of the other TVs of a similar age and type to the 42LW551 also do not support smart TV.

It is worth also looking at alternative TVs which also support smart TV including the LG 42LB670.

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Not 3D

The 42LW551 is not 3D, although this is within the context that most of the other mid-size TVs that have been available for more than two years are also not 3D.

Televisions which are 3D that might be worth looking at include the 42LW579, or the 47LB670 both from LG which is also higher rated.

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Does Not Have a Built-In Camera

The 42LW551 does not have a built-in camera, although keep in mind that most of the other mid-size TVs that came out more than two years ago also do not have a built-in camera.

We compared all the other TVs which also have a built-in camera to this TV and we think the UE46ES8000S, the UN46ES8000, or the UE40F7000 all from Samsung which also has a higher rating is also worth considering.

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High Running Costs

The efficiency rating of this LG television is B. The average running cost of the 42LW551 is £154 over 5 years based on average energy prices, which makes it one of the less economic to run TVs of a comparable age and type.


Only Has One Smart Modes

The number of smart modes found on the 42LW551 is more than most mid-size TVs that have been on the market for around the same time as it. The most frequently found smart modes is Game, but this smart modes is not found on this television. The smart modess Energy saving are also found on this LG TV.

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Does Not Feature OLED Technology

Most mid-size TVs that have been on the market for more than two years do not feature OLED technology. The LG 42LW551 is no exception to this as it too does not feature OLED technology.

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2 Other reasons to consider the LG 42LW551

Full HD HD Type

Full HD HD type

The display resolution of this TV is Full HD, which is typical of many televisions of a similar type and age to it. Full HD TVs have a resolution of 1920 x 1080 pixels.

Full HD TVs have a resolution of 1920 x 1080 pixels.

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Released Over Five Years Ago

It was over five years ago when this LG TV was released.


Display Diagonal
HD Type
Contrast Ratio (dynamic)
Display Resolution
Supported Video Modes
Aspect Ratio
Screen Format Adjustments
Supported Graphics Resolutions
TV Tuner
Digital Signal Format System
Smart TV
Internet TV
RMS Rated Power
Number of Loudspeakers
Built-In Speaker(s)
Ports & Interfaces
Headphone Outputs
RF Ports Quantity
RS-232 Ports
Component Video (YPbPr/YCbCr) in
USB 2.0 Ports Quantity
PC in (D-Sub)
HDMI Ports Quantity
Ethernet LAN
Management Features
Automatic Shut Off Function
Smart Modes
Auto Power Off
Card Reader Integrated
Video Formats Supported
Colour of Product
Wall Mountable
Swivel Angle Range
VESA Mounting
Power Consumption (typical)
Power Consumption (standby)
Energy Efficiency Class
Packaging Content

Running Cost

Hours of Use Per Day: hours
Show running costs over: years
Electricity cost when switched on £150.62
Electricity cost when on standby £3.04
@ £0.139 per kwh - Edit electricity price and usage
kwh per hour
kwh per hour left on standby
Electricity price £per kilowatt hour
Annual electricity price inflation %
Water cost when switched on
@ £0.003474 per litre - Edit water usage and price
litres per hour
Water price £per litre
Annual water price inflation %
Submit Energy Consumption Figures
Total running cost over 5 years £153.66
Running costs for this TV have been estimated based on other similar TVs. If you know how much electricity and water the LG 42LW551uses then please let us know by entering those figures in the boxes above.
Energy Rating
Running this TV over 5 years will generate 0.76 tonnes of carbon dioxide (CO2).
To offset that much CO2 you would need to plant 20 tree seedlings and grow them for 10 years.

Product Identifiers

Manufacturer Part Numbers 42lw551, 42lw551c, 42lw551cz, 42lw551cze
Barcodes 08808992304531

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See How Other TVs Compare to the LG 42LW551

Samsung UE48H8000 vs LG 42LW551

Samsung UE48H8000 vs LG 42LW551
Samsung UE48H8000 LG 42LW551
Newer by Three Years
Two More USB 2.0 Ports
Energy Efficiency Rating is Superior
Two RF Ports
Does Not Have a PC in Port

LOEWE Art 32 vs LG 42LW551

LOEWE Art 32 vs LG 42LW551
LOEWE Art 32 LG 42LW551
£ 699.00
Newer by Three Years
56% Cheaper to Run
Two More USB 2.0 Ports
Three More Loudspeakers
10" Smaller Screen Size

Samsung UE40H5500 vs LG 42LW551

Samsung UE40H5500 vs LG 42LW551
Samsung UE40H5500 LG 42LW551
£ 349.00
Cheaper to Run by £79.72
Three Years Newer
Superior Energy Efficiency Rating
Two USB 2.0 Ports
Vastly Lower RMS Rated Power
One Less HDMI Port