Heartland Milestone
19 floorplansFifth wheel2019– (in production)Mixed build tier
Heartland (Mixed tier): Milestone
What one actually costs today: $34,800–$112,500 across the line, new sticker or used estimate per model.
THE FLOORPLANS — 19
| MODEL | YEARS | LENGTH | GVWR | SLEEPS | PRICE TODAY | FINDING ONE |
|---|---|---|---|---|---|---|
| 31RL | 2026– | 36.1 ft | 14,800 lb | 4 | $99,000 | Findable |
| 36RK | 2027– | 40.1 ft | 16,000 lb | 2 | — | Findable |
| 39TB | 2026– | 43.8 ft | 17,700 lb | 8 | $112,500 | Findable |
| 310RK | 2024–24 | 34.8 ft | 15,000 lb | 4 | — | Findable |
| 317RL | 2020–21 | 36.2 ft | 15,000 lb | 6 | $42,700used est. | Findable |
| 321FL | 2023–25 | 38.4 ft | 15,000 lb | 4 | $76,000used est. | Findable |
| 326RL | 2021–22 | 38.4 ft | 15,000 lb | 4 | $53,300used est. | Findable |
| 333MB | 2023–25 | 37.8 ft | 15,000 lb | 6 | $76,000used est. | Findable |
| 360HP | 2022–23 | 41.1 ft | 15,000 lb | 4 | $72,900used est. | Findable |
| 360RD | 2019–20 | 40.3 ft | 15,000 lb | 6 | — | Findable |
| 370FLMB | 2020–25 | 44.2 ft | 15,000 lb | 4 | $83,600used est. | Common |
| 377MB | 2019–25 | 42.9 ft | 15,000 lb | 8 | $79,800used est. | Common |
| 379FLML | 2019–24 | 43.2 ft | 15,000 lb | 8 | $79,900used est. | Common |
| 380DSL | 2024–25 | 43.4 ft | 15,000 lb | 8 | $82,800used est. | Findable |
| 386BH | 2020–25 | 43.3 ft | 15,000 lb | 8 | $80,000used est. | Common |
| 387RBH | 2019–20 | 42.1 ft | 15,000 lb | 8 | — | Findable |
| 389TB | 2019–20 | 42.1 ft | 15,000 lb | 8 | — | Findable |
| M1-28BH | 2021–21 | 34.4 ft | 12,500 lb | 6 | $34,800used est. | Findable |
| M1-28RL | 2021–21 | 34.4 ft | 12,500 lb | 4 | $38,400used est. | Findable |
THE LINE, YEAR BY YEAR
Assembled from eight-plus model years of brochures, floorplan by floorplan. This is the part a spec sheet can't tell you: which years changed, and which year is the buy.
- 2019Introduced
- 2020Introduced
- 2020Dealer stock only
- 2021Introduced
- 2021Dropped
- 2021Dropped in favor of the 386BH
- 2021Introduced as the M-One sub-series
- 2022Dropped when the 326RL took its slot
- 2022Introduced
- 2022Standard 380 W solar with 2,000 W inverter added
- 2022Dropped
- 2023Introduced
- 2024Introduced
- 2024Dropped
- 2024Dry weight up to 13,184 lb, hitch to 2,900 lb
- 2025Dropped
- 2025Dealer stock only
- 2026Introduced with the redesigned Milestone
- 2026Dropped
- 2026Dropped in the Milestone relaunch
- 2027GVWR unchanged, MSRP up to $98,993
- 2027Introduced
- 2027GVWR raised 17,500 to 17,700 lb; dry up to 15,375 lb
Which Milestone is the right one — if any?
A line this size hides real differences behind similar names. Set what you care about — weight, bunks, build, budget — as sliders, and watch every floorplan here get ranked against the whole market, not just against each other.
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