Not sure which GPS unit is the most durable and reliable for your next off-road adventure?
Compare our most popular off-road navigators: Garmin zumo vs. GPSMAP 276Cx vs. Overlander
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Garmin zumo 396 LMT-S$369.99
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Garmin zumo XT$679.99
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Garmin GPSMAP 276Cx$739.99 – $949.99
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Garmin Overlander$949.99
![]() | Zumo 396 LTM-S![]() | Zumo XT![]() | GPSMAP 276Cx![]() | Overlander![]() |
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Unit Dimensions | 4.94″W x 3.38″H x 0.98″D (12.5 x 8.6 x 2.5 cm) | 5.8”W x 3.5”H x 1”D (8.8 x 14.8 x 2.4 cm) | 7.5″ x 3.7″ x 1.7″ (19.05 x 9.40 x 4.32 cm) | 7.84″ W x 4.79″ H x 0.93″ D (19.9 x 12.2 x 2.4 cm) |
Display Size | 3.7″W x 2.2″H (9.4 x 5.6 cm); 4.3″ diag (10.9 cm) | 4.8”W x 2.7”H (12.1 x 6.8 cm); 5.5” diag (13.9 cm) | 5.0″ (127.0 mm) diagonal | 6.0″ W x 3.5″ H (15.2 x 8.9 cm); 6.95″ (17.7 cm) |
Display Resolution | 480 x 272 pixels | 1280 x 720 pixels | 800 x 480 pixels | 1024 x 600 pixels |
Display Type | WQVGA color TFT with white backlight | multi-touch, glass, high brightness HD color TFT with white backlight | bright, sunlight readable WVGA display | multi-touch, glass, WSVGA color TFT with white backlight |
Dual-orientation Display | ❌ | ✅ | ❌ | ❌ |
Weight | 8.5 ounces (241.1 g) | 9.2 ounces (262 g) | 15.9 oz (450 g) with included rechargeable pack; 14.6 oz (415 g) with AA batteries (not included) | 15.4 oz (437 g) |
Battery | rechargeable lithium-ion | rechargeable lithium-ion | rechargeable lithium-ion (included) or 3 AA batteries (not included); NiMH or Lithium recommended | rechargeable lithium-ion |
Battery Life | up to 4 hours | up to 6 hours (up to 3.5 hours at 100% backlight) | up to 16 hours (lithium-ion); up to 8 hours (AA batteries) | up to 3 hours |
Headphone Jack/Audio Line-out | ❌ | ❌ | ❌ | ✅ |
Drop Rating | ❌ | MIL-STD-810 | ❌ | MIL-STD-810 |
Dust Rating | ❌ | ❌ | ❌ | IP5X |
Waterproof | ✅ (IPX7) | ✅ (IPX7) | ✅ (IPX7) | ❌ |
GPS/GLONASS/Galileo | GPS | ✅ | GPS/GLONASS | ✅ |
Memory/History | ❌ | 32 GB | 8 GB (6 GB available to use) | 64 GB |
WiFi | ✅ | ✅ | ✅ | ✅ |
Bluetooth | ✅ (works with BLUETOOTH®-compatible helmet, headset or smartphone (sold separately)) | ✅ (works with Bluetooth®-compatible helmet, headset or smartphone; BLE capable) | ✅ | ✅ |
ANT+ | ❌ | ✅ | ✅ | ❌ |
Active Weather | ❌ | ❌ | ✅ | ❌ |
1″Ball Adapter with AMPS Plate | ❌ | ❌ | ❌ | ✅ |
Preloaded Maps | ✅ (City Navigator North America) | ✅ (City Navigator North America, Topographic Maps of North and Central America) | ❌ | ✅ (TOPO maps for North and South America) |
Includes Lifetime Map Updates | ✅ | ✅ | ❌ | ✅ |
Downloadable Satellite Imagery | ❌ | ✅ (Birdseye) | ✅ (Birdseye) | ✅ (U.S. only) |
Downloadable USGS Quad Sheets | ❌ | ❌ | ✅ | ✅ |
3-D Terrain View | ❌ | ✅ | ✅ | ✅ |
3-D Building View | ❌ | ✅ | ❌ | ❌ |
Curvy Roads Routing | ✅ | ✅ | ❌ | ❌ |
Ability to Add Maps | ✅ | ✅ | ✅ | ✅ |
Round Trip | ✅ | ✅ | ✅ | ✅ |
Track Support | ✅ | ✅ | ✅ | ✅ |
Custom Map Support | ✅ | ✅ | ✅ | ✅ |
TOPO Map Support | ✅ | ✅ | ✅ | ✅ |
Accepts Data Cards | microSD™ card (not included) | microSD™ card (not included) | microSD™ card (not included) | microSD™ card (not included) |
Waypoints | ❌ | ❌ | 10,000 | ❌ |
Routes | ❌ | ❌ | 250 | ❌ |
Track Log | ❌ | ❌ | 20,000 points, 250 saved tracks | ❌ |
Map Segments | ❌ | ❌ | 15,000 | ❌ |
Voice Prompts | ✅ | ✅ | ✅ (with optional automotive speaker mount) | ✅ |
Speaks Street Names | ✅ | ✅ | ✅ (with optional City Navigator map) | ✅ |
Voice-Activated Navigation (Operate Device with Spoken Commands) | ❌ | ❌ | ❌ | ✅ |
Garmin Real Directions Landmark Guidance | ✅ | ✅ | ❌ | ✅ |
Point-to-Point Navigation | ❌ | ❌ | ✅ | ❌ |
Navigate-a-Track Navigation | ❌ | ❌ | ❌ | ❌ |
Tire Pressure Monitor System | ❌ | ✅ | ❌ | ❌ |
TracBack | ✅ | ✅ | ✅ | ✅ |
Skip Waypoints | ✅ | ❌ | ❌ | ❌ |
Route Shaping through preferred cities/streets | ✅ | ✅ | ❌ | ✅ |
Service history log | ✅ | ✅ | ❌ | ❌ |
Traffic compatible | ✅ (with Smartphone Link app) | ✅ (with Garmin Drive app) | ❌ | ✅ (with optional traffic cable) |
Lifetime Traffic Updates | ✅ (with Smartphone Link app) | ❌ | ❌ | ❌ |
Lane Assist | ✅ | ✅ | ❌ | ✅ |
Junction View (Displays Junction Signs) | ✅ | ✅ | ❌ | ✅ |
Millions of Foursquare Points of Interest | ✅ | ✅ | ✅ (with optional City Navigator map) | ✅ |
TripAdvisor ratings for Travel POIs | ✅ | ✅ | ❌ | ✅ |
Garmin Adventurous Routing | ✅ | ✅ | ❌ | ❌ |
Automatic Incident Detection | ✅ | ❌ | ❌ | ❌ |
Group Route Sharing (GPX Files) | ✅ | ✅ | ❌ | ❌ |
Auto Sort Multiple Destinations | ✅ | ✅ | ✅ | ✅ |
Route Avoidance | ✅ | ✅ | ❌ | ❌ |
Helmet Law Notifications (US/CAN) | ✅ | ✅ | ❌ | ❌ |
Planned & Dynamic Fuel Stops | ✅ | ✅ | ❌ | ❌ |
Speed Limit Indicator (displays speed limit for most major roads in the U.S. and Europe) | ✅ | ✅ | ✅ (with optional City Navigator map) | ✅ |
Rider Alert Warnings for Sharp curves, state helmet laws, speed cameras and more | ✅ | ✅ | ❌ | ❌ |
Driver alerts for sharp curves, school zones, red light and speed camera warnings and more | ✅ | ✅ | ✅ (with optional City Navigator map) | ✅ |
Smart Notifications Via App | ✅ | ✅ | ✅ | ❌ |
Live Services Available Via App | ✅ | ✅ | ✅ | ❌ |
LiveTrack via Smartphone Link App | ✅ | ✅ | ❌ | |
Backup Camera Compatible | ❌ | ❌ | ❌ | ✅ (BC 35) |
Pair with Compatible inReach Devices | ❌ | ✅ | ❌ | ✅ |
Where Am I? | ✅ | ✅ | ✅ | ❌ |
Exit Services | ✅ | ✅ | ❌ | ✅ |
Custom POI’s | ✅ | ✅ | ✅ | ✅ |
MP3 Player | ✅ | ❌ | ❌ | ❌ |
Control Music and Media from Smartphone or MP3 Player | ✅ | ✅ | ❌ | ❌ |
Hunt/Fish Calendar | ❌ | ❌ | ✅ | ❌ |
Sun and moon Information | ❌ | ❌ | ✅ | ❌ |
Tide Tables | ❌ | ❌ | ✅ | ❌ |
Barometric Altimeter | ❌ | ❌ | ✅ | ✅ |
Compass | ❌ | ❌ | ✅ | ✅ |
Specialized RV Routing | ❌ | ❌ | ❌ | ✅ |
RV Parks & Services Directory | ❌ | ❌ | ❌ | ✅ |
Road Elevations | ❌ | ❌ | ❌ | ✅ |
State Border Notices- RV | ❌ | ❌ | ❌ | ✅ |
Sunrise/Sunset Times – RV | ❌ | ❌ | ❌ | ✅ |
Mile Marker Info- RV | ❌ | ❌ | ❌ | ✅ |
iOverlander Points of Interest | ❌ | ✅ | ❌ | ✅ |
Ultimate Public Campgrounds | ❌ | ✅ | ❌ | ✅ |
Pitch and Roll Gauges | ❌ | ❌ | ❌ | ✅ |
Pair with Garmin PowerSwitch | ❌ | ❌ | ❌ | ❌ |
Compatible with Group Ride Radio | ❌ | ❌ | ❌ | ❌ |
Compatible with Garmin Explore for Waypoints, Tracks Route and Activities | ❌ | ✅ | ❌ | ✅ |
Garmin Connect Compatibile (online community where you analyze, catagorize and share data) | ❌ | ❌ | ✅ | ❌ |
Data Frequency Band | ❌ | ❌ | ❌ | ❌ |
Group Ride Range | ❌ | ❌ | ❌ | ❌ |
Group Ride Tracking | ❌ | ❌ | ❌ | ❌ |
Group Ride Update Rate | ❌ | ❌ | ❌ | ❌ |
Group Ride Voice Communications | ❌ | ❌ | ❌ | ❌ |
First mic Compatibility | ❌ | ❌ | ❌ | ❌ |
Radio Transmitted Canned Messages | ❌ | ❌ | ❌ | ❌ |