3.87 in 2.91 in  | 5.47 in 0.79 in  | |
| Available colors | ||
| User rating |
 Garmin Nuvi 310 |  Garmin Nuvi 55 | |
|---|---|---|
| Form factor | Fixed | Fixed |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| Display type | LCD | TFT |
| Screen size | 3.5 in | 5.0 in |
| Screen resolution | 240 x 320 px | 480 x 272 px |
| Interface type | Touchscreen | Touchscreen |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| Colour of product | Silver | Black |
| Width | 3.87 in | 5.47 in |
| Height | 2.91 in | 0.79 in |
| Depth | 0.87 in | 3.39 in |
| Weight | 5.1 oz | 6.35 oz |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| Map included | yes | yes |
| Map coverage |
| USA |
| Speed limits | no | yes |
| Voice commands | yes | no |
| Navigation bracket | Europe |
|
| Number of waypoints | 500 | 1000 |
| Route avoidance | yes | yes |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| Bluetooth | yes | no |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| USB 2.0 ports quantity | 1 | 1 |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| MP3 player | yes | no |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| Compatible memory cards | Secure Digital | microSD |
| Garmin Nuvi 310 | Garmin Nuvi 55 | |
|---|---|---|
| Battery type | Li-Ion | Li-Ion |
| Battery life (max) | 6.0 h | 2.0 h |
| Pros | ||
|---|---|---|
| Cons |
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