Grand Design Momentum 351M vs Keystone Fuzion 419: used prices, mileage and specs
As of October 24, 2026, a used Keystone Fuzion 419 has a median asking price of $38,700, versus $60,250 for the Grand Design Momentum 351M (36% less). Based on 15 active listings; typical mileage are 0 (Grand Design Momentum 351M) and 0 (Keystone Fuzion 419).
Data as of October 24, 2026 · Source: RV Chooser analysis of active listings · Methodology
| Grand Design Momentum 351M | Keystone Fuzion 419 | |
|---|---|---|
| Active listings | 8 | 7 |
| Median asking price | $60,250 | $38,700 |
| Middle 50% price | $56,175–$80,000 | $37,850–$65,800 |
| Median mileage | 0 | 0 |
| Median model year | 2019 | 2016 |
Browse used Grand Design Momentum 351M → · Browse used Keystone Fuzion 419 →
Frequently asked questions
Is a used Grand Design Momentum 351M or Keystone Fuzion 419 cheaper?
As of October 24, 2026, the Keystone Fuzion 419 has the lower median asking price ($38,700 vs $60,250 for the Grand Design Momentum 351M), about 36% less.
Which has fewer mileage on the used market?
Median mileage: Grand Design Momentum 351M 0, Keystone Fuzion 419 0.