All units listed below have:

High-sensitivity receiver
Route avoidance (avoid highways, tolls etc.)
Basemap
Custom POIs (ability to add additional points of interest)
Preloaded maps
Picture viewer
Ability to add maps
Touchscreen
500 Waypoints
Configurable vehicle icons (select car-shaped icons for map navigation)
3D map view
World travel clock, currency & measurement converter, calculator
Accepts SD cards (not included)
Garmin Lock™ (anti-theft feature)
Auto re-route (fast off-route and detour recalculation)
Choice of route setup (faster time, shorter distance, off road)
MP3 player
Audio book player

These Units are not recommended for a motorcycle. They are not waterproof
660
nüvi® 660

$ 857.13 MSRP

360
nüvi® 360
$ 589.27 MSRP
770
nüvi® 770
$ 1071.42 MSRP
Dimensions:
4.9"W x 2.9"H x .9"D (12.4 x 7.4 x 2.3 cm)
3.87"W x 2.91"H x .87"D (9.83 x 7.39 x 2.21 cm)
4.8"W x 3.0"H x .8"D (12.2 x 7.6 x 2.0 cm)
Display Size
3.81"W x 2.25"H (9.7 x 5.7 cm); 4.3" diag (10.9 cm)
2.8"W x 2.1"H (7.2 x 5.4 cm); 3.5" diag (8.9 cm)
3.81"W x 2.25"H (9.7 x 5.7 cm); 4.3" diag (10.9 cm)
Resolution
480 x 272 pixels
320 x 240 pixels
480 x 272 pixels
Display Type:
WQVGA color TFT with white backlight
QVGA color antiglare TFT with white backlight
WQVGA color TFT with white backlight
Weight:
6.2 ounces (190 g)
5.1 ounces (144.6 g)
6.2 ounces (190 g)
Battery:
rechargeable lithium-ion
rechargeable lithium-ion
rechargeable lithium-ion
Battery life:
up to 7 hours
up to 8 hours
up to 5 hours
Built-in memory:
internal solid state
internal solid state
internal solid state
Routes:
0
0
10
Voice prompts
yes (internal speaker)
yes (internal speaker)
yes (internal speaker)
Speaks street names
yes
yes
yes
Auto sort multiple destinations (provides most direct route):
no
no
yes
Hands-free calling with Bluetooth® wireless technology:
yes
yes
yes
FM traffic compatible:
yes
yes
yes
MSN® Direct for U.S. compatible
no
no
yes
FM transmitter:
yes
no
yes
Headphone jack/audio line-out:
yes
yes
yes
Additional:
This USB mass storage device is compatible with Windows® 2000 or later and Mac® OS X 10.4 or later.
This USB mass storage device is compatible with Windows® 2000 or later and Mac® OS X 10.4 or later.
This USB mass storage device is compatible with Windows® 2000 or later and Mac® OS X 10.4 or later.