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

Zumo 396 LTM-S
Zumo XT
GPSMAP 276Cx
Overlander
Unit Dimensions4.94″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 Size3.7″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) diagonal6.0″ W x 3.5″ H (15.2 x 8.9 cm); 6.95″ (17.7 cm)
Display Resolution480 x 272 pixels1280 x 720 pixels800 x 480 pixels1024 x 600 pixels
Display TypeWQVGA color TFT with white backlightmulti-touch, glass, high brightness HD color TFT with white backlightbright, sunlight readable WVGA displaymulti-touch, glass, WSVGA color TFT with white backlight
Dual-orientation Display
Weight8.5 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)
Batteryrechargeable lithium-ionrechargeable lithium-ionrechargeable lithium-ion (included) or 3 AA batteries (not included); NiMH or Lithium recommendedrechargeable lithium-ion
Battery Lifeup to 4 hoursup 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 RatingMIL-STD-810MIL-STD-810
Dust RatingIP5X
Waterproof✅ (IPX7)✅ (IPX7)✅ (IPX7)
GPS/GLONASS/GalileoGPSGPS/GLONASS
Memory/History32 GB8 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 CardsmicroSD™ card (not included)microSD™ card (not included)microSD™ card (not included)microSD™ card (not included)
Waypoints10,000
Routes250
Track Log20,000 points, 250 saved tracks
Map Segments15,000
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

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