Keystone Montana 3855BR vs Keystone Arcadia 3660RL
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Quick take: The Keystone Arcadia 3660RL costs $4,000 less; the Keystone Montana 3855BR sleeps more (8 vs 4); the Keystone Arcadia 3660RL is 2 ft shorter and easier to maneuver.
| Spec | Keystone Montana 3855BR | Keystone Arcadia 3660RL |
|---|---|---|
| Price | $92,000 | $88,000 |
| Rating | 4.3★ (4,100) | 4.2★ (2,000) |
| Type | Fifth Wheel | Fifth Wheel |
| Year | 2025 | 2025 |
| Length | 41 ft | 39 ft |
| Weight | 14,200 lbs | 13,500 lbs |
| Sleeps | 8 | 4 |
| Fresh water | 66 gal | 60 gal |
| Slide-outs | 4 | 3 |
| Solar | 200W | None |
| Four-season | Yes | No |
| Pet friendly | Yes | Yes |
| Towable | Yes | Yes |
| Chassis | — | — |
Why owners pick each
Keystone Montana 3855BR
- ✓4 slides and 41 feet of space — more room than many studio apartments
- ✓Bunk room plus loft means kids have their own wing of the RV
- ✓Insulated underbelly and heated tanks for extended-season camping
Keystone Arcadia 3660RL
- ✓Center kitchen island provides serious counter and prep space
- ✓Commercial-grade vinyl flooring stands up to RV life better than carpet
- ✓Heated underbelly for comfortable 3-season+ camping