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Garmin 51 LMT S

Garmin 51 LMT S
alaScore 89

31 reviews

Aug, 2018

alaTest has collected and analyzed 31 reviews of Garmin 51 LMT S. The average rating for this product is 3.9/5, compared to an average rating of 4.0/5 for other GPS for all reviews. Reviews about the screen and design are generally positive. The performance and price also get good opinions.

usability, price, performance, design, screen

We analyzed user and expert ratings, product age and more factors. Compared to other GPS the Garmin 51 LMT S is awarded an overall alaScore™ of 89/100 = Very good quality.

Review analysis

(Based on 31 reviews)

User Reviews  

Showing 26 review(s)

Expert Reviews User Reviews


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Showing 1 - 10 of 26 Show Reviews: in English | in other languages (5)

Consumer review (

Not bzd but not good


Charge only lasted 1hr into our journey wasnt good

Jul, 2018

Consumer review (

Its useless


I bought it a week ago and tried in on a short journey near my home. It does't even pick up a simple postcode in UK and not even my home postcode. And it completely missed out to give instructions on a mini round about. Came back home and sent it back...

Jul, 2018

Consumer review (

hubby didnt like


brought this for my hubby and when he set it all up he used it for his job and half way it just stopped finding gps wouldnt reroute and kept saying no signal we sent back when he lost his temper due to it getting him lost never again would we buy a garmin

Jul, 2018

Consumer review (

good features


I bought this for my husband who is very pleased with it. It is small and neat easy to use and has everything he needs

Jun, 2018

Consumer review (

Great features!


Bought this for the times when my fiancee travels to the city - also, in case I ever decide to take a trip to somewhere I'm not familiar with...Great price and does the job that you'll need it to do!

Jun, 2018

Consumer review (

Sat nav


I purchased this item but it keeps playing up, you would be going along following the sat nags route then it would just go blank and switch of even though it's been fully charged. So it's not holding its charge for no reason so going to send this item...

May, 2018

Consumer review (

Not very good


I got this to help me start knowing he roads on a new delivery job I have, my first drop of 25 parcels only 3 postcodes worked so I had to use my phone on google maps, returned this satnav straight away

May, 2018

Consumer review (

Really useful product


This is a vey good satnav for the price gives very good clear instructions. Lane assist is good but could do with being a little quicker in advance warnings of lane changes. Traffic assist is not as efficient as their main competitor but then you would...

Mar, 2018

Consumer review (

Does what it says on the tin !


East to use, smart design. the ' window sucker' attachment, actually works, so far !. Provides me with all i need.

Mar, 2018

Consumer review (

Ideal for my work as a parcel courier.


I brought this to replace my old Garmin unit that was 4 to 5 years old. I have found this new device to be ideal for my needs. Easy input of addresses and post codes. Useful features such as live traffic and speed cameras. Easy to store a limited...

Mar, 2018

Product Specifications


Built-in speaker(s):Y
Built-in speakers: Yes


Color of product:Black
Form Factor:Fixed


Backlight display: Yes
Display Diagonal:5
Display Resolution:480 x 272
Placement supported:Horizontal
Touch screen: Yes
Widescreen: Yes

Energy Management

Battery life (max):1
Battery Technology:Lithium-Ion (Li-Ion)
Power source type:Battery

GPS Type

Auto: Yes
Aviation: No
Camper/Caravan: No
Geocaching (GPS stash hunt): No
Golf: No
Marine (chartplotters, sounders): No
Outdoor (hiking, trekking): No
Sport (fitness, running): No
Truck: Yes

GPS type



Lifetime map updates: Yes
Map coverage:All Europe
Maps included: Yes


Compatible memory cards:MicroSD (TransFlash)
Storage media type:Flash, SSD


Lane guidance: Yes
Live service: No
Live Traffic Message Channel (TMC):N
Route avoidance: Yes
Routes quantity:1000
Speed limits: Yes
Traffic Message Channel (TMC): Yes
Voice commands: Yes


Bluetooth: Yes

Ports & interfaces

USB connectivity:Y


Battery life (max):1
Battery Technology:Lithium-Ion (Li-Ion)
Power source type:Battery

Technical Details

Announces street names: Yes
Number of Waypoints:1000
Spoken street names:Y
Text-to-speech message reader: Yes
Tracklog: Yes
USB connectivity: Yes
Waypoints: Yes

Weight & Dimensions