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Garmin GPSMAP 545

alaTest has collected and analyzed 34 reviews of Garmin GPSMAP 545. The average rating for this product is 4.1/5, compared to an average rating of 4.0/5 for other GPS for all reviews. People are impressed by the durability and design. The screen and performance are also appreciated. There are some critical reviews about the price.

usability, performance, screen, design, durability


We analyzed user and expert ratings, product age and more factors. Compared to other GPS the Garmin GPSMAP 545 is awarded an overall alaScore™ of 74/100 = Good quality.

Review analysis

(Based on 34 reviews)

User Reviews  

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Showing 1 - 24 of 34 Show Reviews: in English

Consumer review ( review summary for Garmin GPSMAP 545


alaTest has collected and analyzed 14 user reviews of Garmin GPSMAP 545 from The average user rating for this product is 4.1/5, compared to an average user rating of 4.0/5 for other GPS on Reviews about the reliability and screen are generally positive. The design and usability also get good views, but opinions are divided on the price.

usability, design, screen, reliability

86% of the reviews on give this product a positive rating.

This summary is based on the products: Garmin GPSMAP 545S 5-Inch Waterproof Marine GPS and Chartplotter with Dual Frequency TransducerGarmin GPSMAP 545S 5-Inch Waterproof Marine GPS and Chartplotter with Dual Frequency Transducer

Aug, 2018

Consumer review (

Garmin GPSMAP 545s


I received the GAPMAP 545s within seven days and installed it on my 44' trawler the next day. Works just great. I had to order a different tranducer for the depth sounder however, since the unit was shipped with a transom mount tranducer but I required...

Sep, 2007

Consumer review (



We have installed our garmin ourselves and it is a wonderful piece. Clear graphics, sounder option is great. The service from Tiger was super.

Jul, 2007

Consumer review (

It rocks


I received the Garmin 545s gps about a week ago. It took me about a day to remove my old gps and sounder and install my new Garmin. The difference is unbelievable. The sharpness of the screen is amazing. I where glasses for reading; however the screen...

May, 2007

Consumer review (

What the heck happened to Garmin


Bright screen lots of detail

Only works for about 2-3 months

Jun, 2008

Consumer review (

locks up, will exchange the machine again.


wonderful machine when it works. Many fine features

Cut out on fish eye view, second machine and will exchange

Jun, 2007

Consumer review (

Garmin GPSMAP 545s


This is a true GPS for land and sea. Offers the best characteristics of the plotter GPSMAP 5000 for marine use in conjunction with the most popular features of the nüvi series for land use - equipment is "all in one" easy to use. Portable and powerful,...

good funcionation


May, 2009

Consumer review (

Garmin GPSMAP 545s Combo Chartplotter


Enable the full functionality of the GPSMAP 545-series with the addition of a BlueChart g2 Vision SD card BlueChart g2 Vision cards provide: o High-resolution satellite imagery when overlaid on the chart, will provide the mariner with unparalleled...

New streamlined user interface offers easy selection of functions and features

A bit expensive

Apr, 2009

Consumer review (

Comments about this GPS


Found most of the GPS satellite positioning speed and accuracy are more or less the same hardware as the core should be or are sirf are IBM, Samsung, if not a few home to their own to do this, if there is to do well for the Big Dipper, which is...

Outside the Department of a more beautiful! More complete

Price too high

Mar, 2009

Consumer review (

Garmin GPSMAP 545s


The average price for this is usually about $1000, although, for it's features, this price is comparable to some better quality models available in the marine market. I like that it can store maps and data on its storage card and it is a WAAs-ready...



Mar, 2009

Consumer review (

With Dual Frequency Transducer


To get a sensible course. Garmin requires that you buy an extra map chip in order to get a guided map. The array of available transducers and sensors is great--but it's also quite confusing. Finding information about which sensor is best for me and my...

Ultra-Bright 5-Inch Diagonal Full Vga Display


Mar, 2009

Product Specifications

This chartplotter provides the brightest, sharpest, most colorful graphics you've ever seen on a 5-inch screen. See clearly as you navigate with the 545's crisp, sunlight-readable VGA display driven by a high-speed processor. This chartplotter offers exceptional detail, fast redraw rates, and the most realistic photo-enhanced cartography ever seen in this class of fixed-mount electronics. The 545 includes detailed offshore maps with Bluechart g2 coverage of the USA and Bahamas. The 545s comes with powerful dual frequency or dual beam sonar to clearly paint depth contours, fish targets, structure, etc. It's also CANet capable, allowing sounder data to be shared with other plotter displays on your boat.

Built-in Display

Diagonal Size:5"
Diagonal Size (metric):12.7 cm
Resolution:640 x 480


Color of product:Grey
Form Factor:Fixed

Dimensions & Weight



Display Diagonal:5
Display Resolution:480 x 640
Display size (HxV):3 x 4
Display size (HxV) (imperial):3 x 4
Touch screen: No

GPS Performance

Acquisition times - autolocate:120
Acquisition times - cold:45
Acquisition times - warm:15
Channels quantity:12
DGPS accuracy - position:118.1
DGPS accuracy - velocity:0.05
GPS accuracy - position:590.6
GPS accuracy - velocity:0.05
Update rate:1
WAAS capability: Yes

GPS System

Receiver:12 channel
Recommended Use:Marine
Type:GPS receiver

GPS Type

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


Packaged Quantity:1
Product Line:Garmin GPSMAP


Audible alarm(s):Y
Audible Alarms: Yes


Map view options:3D


Compatible memory cards:SD


Waterproof: Yes


Automatic routing: No
Routes quantity:20
Tracks quantity:20
Voice commands: No


Bluetooth: No

Operational Conditions

Operating temperature (T-T):-15 - 55
Operating temperature range (T-T):-15 - 55

Other Features

Basemap: Yes
I/O ports:NMEA 0183
Power Requirements:10 - 35v DC

Technical Details

Color of product:Grey
Form Factor:Fixed
Hunt/fish calendar: No
Interface Type:Thumb Stick
Number of Waypoints:1500
Sun & moon information: Yes
Tide tables: Yes

Weight & Dimensions

Depth:2.91 / 6.42
Height:2.91 / 6.42