TomTom Trucker 620 vs Garmin dezl OTR810: Truck GPS Navigation Comparison

The TomTom Trucker 620 has a 6-inch display while the Garmin dezl OTR810 features an 8-inch screen. The 2-inch difference is significant in daily trucking use. The Garmin's larger display shows more map detail, has bigger touch targets for gloved hands, and is easier to read at a distance. For professional daily use, the larger screen is worth the premium.

TomTom's traffic service is widely regarded as one of the best in the industry, processing data from hundreds of millions of connected devices. Garmin's traffic is effective but TomTom's coverage and accuracy are superior, particularly on secondary roads and in congested urban areas. Better traffic data means smarter rerouting and fewer unexpected delays.

Both units offer customizable truck profiles for vehicle dimensions and hazmat. Garmin's truck routing database for North America is slightly more comprehensive with more frequent restriction updates. TomTom's routing is reliable but Garmin's larger US trucker user base contributes to faster road restriction data updates.

TomTom's Bluetooth pairing for hands-free calls and smartphone notifications works well. Garmin also offers Bluetooth connectivity with phone call and message notification support. TomTom's MyDrive app provides additional trip planning features from your phone that sync to the GPS. Both handle smartphone integration adequately.

The TomTom Trucker 620 is typically priced lower than the Garmin dezl OTR810, making it a better value per dollar for drivers who can accept the smaller screen. TomTom includes lifetime maps and traffic without hidden fees. The Garmin's higher price is primarily justified by its larger screen and broader ecosystem.