Fleetwood Altitude 27U vs Winnebago Minnie Winnie 25B
2026 Class C comparison · side-by-side specs, verdict, and who each is best for.
Quick verdict
Both 2026 Class C motorhomes ride the Ford E-450 chassis with similar 14,500 lb GVWR ratings, but the layouts and amenities diverge. The Fleetwood Altitude 27U measures 29.5 ft, 102 in wide on the Ford E-450 with the 7.3L V8 (325 HP), single slide, queen bed, 4,000-watt onboard generator, 50-amp shore service, 50/36/36 gal tanks, 16 gal LP, outdoor kitchen, residential refrigerator, fireplace, U-shape dinette, and automatic leveling. Sleeps 4. MSRP $151,232.
The Winnebago Minnie Winnie 25B runs 26.33 ft on the same Ford E450 chassis with the 350 HP 7.3L V8, no slides, queen bed plus bunkhouse, 40/26/21 gal tanks, 18 gal LP, full bath, generator prep, solar prep, 30-amp service, and sleeps 6. MSRP $153,197, just $1,965 above the Altitude.
Directionally, the Fleetwood Altitude 27U is the slide-out residential Class C with included generator, fireplace, and outdoor kitchen, while the Winnebago Minnie Winnie 25B is the shorter, bunkhouse family Class C with cabover bunk sleeping 6.
Side-by-side specs
| Fleetwood Altitude 27U | Winnebago Minnie Winnie 25B | |
|---|---|---|
| MSRP | $151,232 | $153,197 |
| Length | 29'6" | 26'4" |
| Dry weight | — | — |
| GVWR | 14,500 lbs | 14,500 lbs |
| Sleeps | 4 | 6 |
| Slides | 1 | 0 |
| Fresh tank | 50 gal | 40 gal |
| Grey tank | 36 gal | 26 gal |
| Black tank | 36 gal | 21 gal |
| LP | 16 gal | 18 gal |
| Solar | — | — |
| Inverter | — | — |
| Generator | 4000W | — |
| Bath | — | full |
| Bed | queen | queen |
| 4-season | No | No |
| Off-road | No | No |
| Outdoor kitchen | Yes | No |
| Washer/dryer | none | none |
| Residential fridge | Yes | No |
Where Fleetwood Altitude 27U wins
- Single slide opens roughly 12 sq ft of additional interior
- Onboard 4,000-watt generator installed from factory
- 50-amp shore service vs 30-amp doubles available campground power
- Outdoor kitchen, residential refrigerator, and fireplace standard
- 50/36/36 gal tanks vs 40/26/21 substantially larger
Where Winnebago Minnie Winnie 25B wins
- Sleeps 6 vs 4 with the cabover bunkhouse layout
- 350 HP version of the 7.3L V8 vs 325 HP
- 26.33 ft length is 3.2 ft shorter for tighter parking
- 18 gal LP capacity vs 16 gal slightly more for cooking and heating
- Solar prep included for owner-spec panel install
Pick the Fleetwood Altitude 27U if…
Pick the Fleetwood Altitude 27U if you camp as a couple or small family and want the slide-out interior, onboard 4,000-watt generator, 50-amp service, outdoor kitchen, fireplace, and residential refrigerator all included. The 102 in width adds shoulder room, the larger 50/36/36 gal tanks support extended dry-camping, and the automatic leveling simplifies setup. Trade-off: 325 HP version of the 7.3L V8 (10 HP less than the Minnie Winnie's 335 HP), and the 29.5 ft length is 3.2 ft longer.
Pick the Winnebago Minnie Winnie 25B if…
Pick the Winnebago Minnie Winnie 25B if you have a family of 5-6 and want the cabover bunkhouse layout, the 350 HP V8 for better mountain pulling, and the shorter 26.33 ft footprint for tighter campsites. The trade-off is no slide, smaller tanks (40/26/21 gal), 30-amp shore service, and you'll add the generator and solar aftermarket as preps. The $1,965 premium pays for the bunkhouse and the bigger engine, both meaningful for family use.
Frequently asked
Which has the slide?
The Fleetwood Altitude 27U has a single slide. The Winnebago Minnie Winnie 25B has no slides (slides: 0).
Sleeping comparison?
The Minnie Winnie 25B sleeps 6 with bunkhouse, queen, sofa/bed, and dinette. The Altitude 27U sleeps 4 with queen and dinette conversion.
Generator situation?
The Altitude 27U has a 4,000-watt onboard generator installed. The Minnie Winnie 25B has generator prep only; the generator is owner-installed aftermarket.