This table lists the curb or dry weights for each trim level and year for the 350Z. All weights are provided by Nissan and are given in pounds (lbs).
| Model | 2003 (MT) | 2003 (AT) | 2004 (MT) | 2004 (AT) | 2005 (MT) | 2005 (AT) | 2006 (MT) | 2006 (AT) | 2007 (MT) | 2007 (AT) |
| Base | 3188 | - | 3188 | - | 3213 | - | 3339 | - | 3339 | - |
| Enthusiast | 3197 | 3210 | 3197 | 3210 | 3221 | 3229 | 3346 | 3344 | 3346 | 3344 |
| Enthusiast Roadster | - | - | 3428 | 3445 | 3480 | 3488 | 3580 | 3578 | 3580 | 3578 |
| Performance | 3217 | - | 3217 | - | 3241 | - | - | - | - | - |
| Touring | 3247 | 3239 | 3247 | 3239 | 3268 | 3257 | 3370 | 3380 | 3400 | 3380 |
| Touring Roadster | - | - | 3462 | 3479 | 3496 | 3488 | 3600 | 3598 | 3600 | 3598 |
| Track | 3225 | - | 3225 | - | 3251 | - | 3400 | - | - | - |
| Grand Touring | - | - | - | - | - | - | 3404 | 3391 | 3404 | 3391 |
| Grand Touring Roadster | - | - | - | - | - | - | 3602 | 3600 | 3602 | 3600 |
| 35th Anniversary | - | - | - | - | 3229 | 3291 | - | - | - | - |