Keystone Cougar 368MBI vs Keystone Arcadia 3660RL
vs
Quick take: The Keystone Cougar 368MBI costs $20,000 less; the Keystone Cougar 368MBI sleeps more (8 vs 4); the Keystone Arcadia 3660RL is 1 ft shorter and easier to maneuver.
| Spec | Keystone Cougar 368MBI | Keystone Arcadia 3660RL |
|---|---|---|
| Price | $68,000 | $88,000 |
| Rating | 4.2★ (4,200) | 4.2★ (2,000) |
| Type | Fifth Wheel | Fifth Wheel |
| Year | 2025 | 2025 |
| Length | 40 ft | 39 ft |
| Weight | 12,500 lbs | 13,500 lbs |
| Sleeps | 8 | 4 |
| Fresh water | 60 gal | 60 gal |
| Slide-outs | 3 | 3 |
| Solar | None | None |
| Four-season | No | No |
| Pet friendly | Yes | Yes |
| Towable | Yes | Yes |
| Chassis | — | — |
Why owners pick each
Keystone Cougar 368MBI
- ✓Mid-bunk room gives kids their own separate space with a door
- ✓Large holding tanks support week-long dry camping stays
- ✓Triple slides and 40 feet of space feel like a small home
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