Garmin Off-road GPS Comparison

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 vs. Tread (XL) Overland Edition vs. Montana 700i

	zumo 396 LTM-S	zumo XT	GPSMAP 276Cx	Overlander	Tread – Base Edition	Tread (XL) – Overland Edition	Montana 700i
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)	5.8”W x 3.5”H x 1”D (8.8 x 14.8 x 2.4 cm)	Tread: 8.1″W x 6.7″H x 1.2″D (20.7 x 16.9 x 3.1 cm) Tread XL: 9.9″W x 7.8″H x 1.2″D (25.2 x 19.9 x 3.1 cm)	3.6″ x 7.2″ x 1.3″ (9.19 x 18.30 x 3.27 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)	4.8”W x 2.7”H (12.1 x 6.8 cm); 5.5” diagonal (13.9 cm)	Tread: 6.8″W x 4.2″H (10.8 cm x 17.2 mm); 8″ diagonal (20.3 cm) Tread XL: 8.5″W x 5.3″H (21.7 cm x 13.6 cm); 10.1″ diagonal (25.7 cm)	2.55″W x 4.25″H (6.48 x 10.80 cm); 5″ diag (12.70 cm)
Display Resolution	480 x 272 pixels	1280 x 720 pixels	800 x 480 pixels	1024 x 600 pixels	1280 x 720 pixels	1280 x 800 pixels	480 x 800 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	multi-touch, glass, high brightness HD color TFT with white backlight	multi-touch, glass, high brightness HD color TFT with white backlight	WVGA transflective, dual orientation, touchscreen
Glove-friendly touchscreen	✅	✅	❌	❌	✅	✅	❌
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)	9.2 oz (262 g)	Tread: 22.8 oz (646 g) Tread XL: 32.8 oz (930 g)	14.5 oz (410 g) with included lithium-ion battery pack
Battery	rechargeable lithium-ion	rechargeable lithium-ion	rechargeable lithium-ion (included) or 3 AA batteries (not included); NiMH or Lithium recommended	rechargeable lithium-ion	rechargeable lithium-ion	rechargeable lithium-ion	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	up to 6 hours (up to 3.5 hours at 100% backlight)	Up to 6 hours at 50% backlight Up to 1 hour at 100% backlight	GPS Mode: up to 18 hours GPS Mode, 10 min Tracking: up to 18 hours Expedition Mode: up to 330 hours  Expedition Mode, 30 min Tracking: up to 300 hours
Headphone Jack/Audio Line-out	❌	❌	❌	✅	❌	❌	❌
Drop Rating	❌	MIL-STD-810	❌	MIL-STD-810	MIL-STD-810	MIL-STD-810	MIL-STD-810  (thermal, shock, water, vibe)
Dust Rating	❌	❌	❌	IP5X	❌	IP6X	❌
Waterproof	✅ (IPX7)	✅ (IPX7)	✅ (IPX7)	❌	✅ (IPX7)	✅ (IPX7)	✅ (IPX7)
GPS/GLONASS/Galileo	GPS	GPS/GLONASS/Galileo	GPS/GLONASS	GPS/GLONASS/Galileo	GPS/Galileo	GPS/Galileo	GPS/Galileo
10 Hz multi-GNSS positioning	❌	❌	❌	❌	❌	✅	❌
Memory/History	❌	32 GB	8 GB (6 GB available to use)	64 GB	32 GB	64 GB	16 GB (user space varies based on included mapping)
WiFi	✅	✅	✅	✅	✅	✅	✅
Bluetooth	✅ (works with BLUETOOTH®-compatible helmet, headset or smartphone (sold separately))	✅ (works with Bluetooth®-compatible helmet, headset or smartphone; BLE capable)	✅	✅	✅ (works with BLUETOOTH-compatible helmet, headset or smartphone; BLE capable)	✅ (works with BLUETOOTH-compatible helmet, headset or smartphone; BLE capable)	✅
ANT+	❌	✅	✅	❌	❌	❌	✅
Active Weather	❌	❌	✅	❌	❌	❌	✅
Magnetic Mount	❌	❌	❌	✅	❌	locking magnet-assisted mount	❌
Tube mount (1.5″ – 2.375″)	❌	❌	❌	❌	✅	❌	❌
1″Ball Adapter with AMPS Plate	❌	❌	❌	✅	✅	❌	❌
1.5″ 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)	✅ (City Navigator North America, Topographic Maps of North and Central America, US public land boundaries, private land parcel maps, USFS Roads and Trails, including motor-vehicle-use-maps for motorcycle, ATV, SXS and full-size 4×4)	✅ (City Navigator North America, Topographic Maps of North and Central America, US public land boundaries, private land parcel maps, USFS Roads and Trails, including motor-vehicle-use-maps for motorcycle, ATV, SXS and full-size 4×4)	✅ TopoActive for U.S., Canada; City Navigator Maps, North America; Federal Public Lands Map, US only
Includes Lifetime Map Updates	✅	✅	❌	✅	✅ (with Garmin Tread app)	✅ (with Garmin Tread app)	❌
Downloadable Satellite Imagery	❌	✅ (Birdseye)	❌	✅ (U.S. only)	✅ (Birdseye)	✅ (Birdseye)	✅ (Birdseye)
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	✅	✅	✅	❌	❌	✅	✅ (500 custom map tiles)
TOPO Map Support	✅	✅	✅	✅	❌	✅	✅
Accepts Data Cards	microSD™ card (not included)	microSD™ card (not included)	microSD™ card (not included)	❌	✅ (256 GB max microSD™ card)	✅ (256 GB max microSD™ card)	✅ (32 GB max microSD™ card)
Waypoints	❌	❌	10,000	❌	❌	❌	10,000
Routes	❌	❌	250	❌	❌	❌	250, 250 points per route; 50 points auto routing
Track Log	❌	❌	20,000 points, 250 saved tracks	❌	❌	❌	20000 points, 250 saved gpx tracks, 300 saved fit activities
Map Segments	❌	❌	15,000	❌	❌	❌	15,000
Voice Prompts	✅	✅	✅ (with optional automotive speaker mount)	✅	✅	✅	✅ (with optional automotive speaker mount)
Speaks Street Names	✅	✅	✅ (with optional City Navigator map)	✅	✅	✅	✅ (with optional automotive speaker mount)
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)	✅ (with Garmin Tread app)	✅ (with Garmin Tread app)	❌
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)	✅  (BC™ 40 or BC™ 50)	✅ (BC™ 50)	❌
Pair with Compatible inReach Devices	❌	✅	❌	✅	✅	❌	❌
Built-in inReach® Technology (requires active subscription; subject to regulations or prohibitions in some jurisdictions)	❌	❌	❌	❌	❌	✅	✅
Compatible with external inReach® satellite antenna	❌	❌	❌	❌	❌	✅	❌
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	❌	❌	✅	✅	✅	✅	✅ (tilt-compensated 3-axis)
XERO™ Locations	❌	❌	❌	❌	❌	❌	✅
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)	❌	❌	✅	❌	❌	❌	✅