Quick verdict
The Garmin dēzl OTR1020 is our recommended choice for drivers who want more truck-specific tools. The Garmin dēzl OTR1010 remains a good option for drivers who do not need these additional features.
Both devices have a 10.1-inch screen with a resolution of 1280 × 800 pixels. They have the same dimensions, weight, and stated battery life. Both also support custom truck routing, satellite arrival imagery, truck parking information, and live services.
The main differences are CAT Scale locator, community loading dock information, and release year.
The OTR1020 was released in 2024 and includes CAT Scale locator and community loading dock information. The OTR1010 was released in 2022 and does not include these two features.
For most drivers, the OTR1020 offers more truck-specific functions without an increase in device size or weight.
Why choose Garmin dēzl™ OTR1010?
Choose the Garmin dēzl OTR1010 if you want a large truck GPS and do not need the additional features of the OTR1020.
The OTR1010 has a 10.1-inch screen with a resolution of 1280 × 800 pixels. Its large display gives you space to view maps, route information, and navigation instructions. The device also has a split-screen route view.
It measures 9.65 × 6.06 × 0.83 inches and weighs 19.5 oz. These specifications are identical to those of the OTR1020.
The OTR1010 supports truck-specific routing based on vehicle dimensions and weight. It also includes hazmat support, bridge height warnings, steep grade warnings, and truck parking information.
You also get satellite arrival imagery, PrePass support, map updates, and connected services through the Garmin dēzl smartphone app.
However, the OTR1010 does not include CAT Scale locator or community loading dock information. These are two verified advantages of the newer model.
Both devices have a stated battery life of up to 2 hours.
Choose the OTR1010 if you want the same verified core navigation functions and can find it at a lower price.
Why choose Garmin dēzl OTR1020?
Choose the Garmin dēzl OTR1020 if you want a large truck GPS with additional tools for daily truck operations.
The OTR1020 was released in 2024, two years after the OTR1010. It has the same 10.1-inch screen, resolution, dimensions, weight, and battery life as the older model.
The main advantage is its additional truck-specific information.
The OTR1020 includes CAT Scale locator. This can help you find CAT Scale locations when you need to weigh your truck.
It also includes community loading dock information. This adds community-shared information about loading docks, security gates and truck entrances, supplementing the arrival-planning features already available on both models.
These features can be useful for drivers who make frequent deliveries or visit locations that they do not know.
The OTR1020 also supports custom truck routing, satellite arrival imagery, truck parking information, and live traffic updates. These core navigation features are available on both models.
The newer release year does not confirm better routing accuracy or faster performance. The supplied specifications do not establish these differences.
Choose the OTR1020 if CAT Scale locator and community loading dock information are important for your work.
Garmin dēzl™ OTR1010
A large 10.1-inch truck GPS with custom truck routing, BirdsEye arrival imagery and a split-screen route view designed for maximum at-a-glance visibility.
Garmin dēzl OTR1020
An extra-large 10.1-inch dedicated truck GPS with custom truck routing, BirdsEye satellite arrival imagery, community truck-parking insights and Garmin’s connected trucking features.
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Key differences
CAT Scale locator
Community-shared loading docks
Release year
Full comparison
Rows with different values are highlighted. “Not verified” means TruckerDude has not confirmed that feature from a reliable source; it does not mean the feature is absent.
| Feature | Garmin dēzl™ OTR1010 | Garmin dēzl OTR1020 |
|---|---|---|
| Key specifications | ||
| Brand | Garmin | Garmin |
| Device type | Dedicated GPS | Dedicated GPS |
| Built-in dash cam | No | No |
| Release year | 2022 | 2024 |
| Screen size | 10.1 in | 10.1 in |
| Screen resolution | 1280 x 800 | 1280 x 800 |
| Dimensions | 9.65 × 6.06 × 0.83 in | 9.65 × 6.06 × 0.83 in |
| Weight | 19.5 oz | 19.5 oz |
| Battery life | 2 hours | 2 hours |
| Wi-Fi | Yes | Yes |
| Bluetooth | Yes | Yes |
| Connectivity | ||
| Live services connection | Smartphone app | Smartphone app |
| Smartphone app required | Yes | Yes |
| Map updates included | Yes | Yes |
| Truck navigation | ||
| Truck-specific routing | Yes | Yes |
| Truck height input | Yes | Yes |
| Truck weight input | Yes | Yes |
| Truck length input | Yes | Yes |
| Truck width input | Yes | Yes |
| Hazmat support | Yes | Yes |
| Bridge height warnings | Yes | Yes |
| Weight limit warnings | Yes | Yes |
| Steep grade warnings | Yes | Yes |
| Weigh station alerts | Yes | Yes |
| Connected & trucker features | ||
| PrePass support | Yes | Yes |
| CAT Scale | No | Yes |
| Truck parking | Yes | Yes |
| Satellite arrival imagery | Yes | Yes |
| Community loading docks | No | Yes |
| Live traffic | Yes | Yes |
| Live weather | Yes | Yes |
| Live fuel prices | Yes | Yes |
Final recommendation
We recommend the Garmin dēzl OTR1020 for drivers who want the more complete set of verified truck-specific tools. Its CAT Scale locator and community loading dock information give it a functional advantage over the OTR1010.
Choose the Garmin dēzl OTR1010 if you do not need these additional features. It provides the same verified screen specifications, battery life, truck routing functions, and connected services.
If the OTR1010 costs significantly less, it can be the better value for drivers who only need the shared navigation features. Compare current prices before you buy.
Neither device has a verified advantage in screen quality, battery life, or routing accuracy.
Both GPS units can help you plan routes based on truck dimensions and restrictions. However, map information can be incomplete or out of date. Always follow road signs and check bridge clearances, weight limits, and local restrictions.