Fleetwood Discovery 38W vs Newmar Ventana 3512
2026 Class A comparison · side-by-side specs, verdict, and who each is best for.
Quick verdict
Both Class A diesels price within $1,279 of each other - the Fleetwood Discovery 38W and Newmar Ventana 3512 make opposing length-vs-slides trade-offs. The Discovery 38W is 40.92 feet on Freightliner XCM Freedom Bridge with Cummins B6.7 360 HP, three slides, 33,600 lb GVWR, king bed, AGM batteries with 100W solar, 2,000-watt inverter, 105-gal fresh, 8,000-watt generator, sleeps 4, $509,266. The Ventana 3512 is 35.83 feet on Spartan or Freightliner with Cummins L9 380 HP, four slides, 38,000 lb GVWR, full bath, king bed, 6,550 lb cargo, four-season insulation, 800 amp-hour batteries, 10,000-watt generator, sleeps 5, $510,545.
The Ventana 3512 packs more into less length - 35.83 feet but four slides expanding the interior beyond what the longer Discovery 38W achieves with three. It also brings 4,400 lb more GVWR (38,000 vs 33,600), 6,550 lb published cargo, four-season insulation, the more powerful Cummins L9 380 HP (vs 360 HP), and a bigger 10,000-watt generator. The Discovery 38W counters with the Freedom Bridge chassis, 100W factory solar, 2,000-watt inverter, generator prep, and a 5-foot longer overall.
Verdict: Ventana 3512 for quad-slide layout in shorter footprint with four-season build at $1,279 more; Discovery 38W for longer length and Fleetwood's Freedom Bridge chassis.
Side-by-side specs
| Fleetwood Discovery 38W | Newmar Ventana 3512 | |
|---|---|---|
| MSRP | $509,266 | $510,545 |
| Length | 40'11" | 35'10" |
| Dry weight | — | 31,450 lbs |
| GVWR | 33,600 lbs | 38,000 lbs |
| Sleeps | 4 | 5 |
| Slides | 3 | 4 |
| Fresh tank | 105 gal | 105 gal |
| Grey tank | 75 gal | 75 gal |
| Black tank | 50 gal | 55 gal |
| LP | — | 0 gal |
| Solar | 100W | — |
| Inverter | 2000W | — |
| Generator | 8000W | 10000W |
| Bath | — | full |
| Bed | king | king |
| 4-season | No | Yes |
| Off-road | No | No |
| Outdoor kitchen | No | No |
| Washer/dryer | yes | included |
| Residential fridge | Yes | Yes |
Where Fleetwood Discovery 38W wins
- 40.92 ft total length (5.09 ft longer)
- AGM batteries with 100W factory solar
- 2,000-watt inverter with generator prep
- Side-by-side or stackable washer/dryer
- $1,279 lower MSRP at $509,266
Where Newmar Ventana 3512 wins
- Four slides vs three (one more)
- 38,000 lb GVWR vs 33,600 lb (+4,400 lb)
- Cummins L9 380 HP vs B6.7 360 HP (+20 HP)
- 10,000-watt generator vs 8,000W (+2,000W)
- Four-season insulation, sleeps 5, 800 Ah bank
Pick the Fleetwood Discovery 38W if…
Pick the 2026 Fleetwood Discovery 38W if you want a longer 40.92-foot Class A diesel with three slides, king bed, Aqua-Hot heating, Cummins B6.7 360 HP, and Freightliner XCM Freedom Bridge chassis. The 100W factory solar, 2,000-watt inverter, generator prep, side-by-side or stackable washer/dryer, and porcelain tile flooring complete the spec. At $509,266 it's $1,279 under the Ventana 3512. Best for buyers who prioritize length, Fleetwood's Freedom Bridge platform, and washer/dryer flexibility over four-season insulation or quad-slide expansion.
Pick the Newmar Ventana 3512 if…
Pick the 2026 Newmar Ventana 3512 if you want four slides packed into a shorter 35.83-foot Class A diesel - the quad-slide layout expands the interior beyond what the longer Discovery 38W achieves. The 38,000 lb GVWR carries 6,550 lb cargo, the more powerful Cummins L9 380 HP outpaces the Discovery's 360 HP B6.7, the 10,000-watt generator outpowers the Discovery's 8,000W, and four-season insulation extends usable months. At $510,545 it's $1,279 over the Discovery. Best for buyers wanting quad-slide interior plus four-season build in a shorter, easier-handling 35.83-foot length.
Frequently asked
Which has more slides?
The Ventana 3512 has four slides; the Discovery 38W has three - despite the Discovery being 5 feet longer, the Newmar adds one more slide.
Which has the more powerful engine?
The Ventana 3512 has Cummins L9 380 HP. The Discovery 38W has Cummins B6.7 360 HP - 20 HP advantage for the Newmar.
Which is four-season?
The Ventana 3512 is four-season insulated. The Discovery 38W is not - meaningful for cold-weather travel.