Winnebago Solis 59PX vs Airstream Rangeline

Winnebago · Class B

Winnebago Solis 59PX

$138,000

4.4★ (2,400)

Airstream · Class B

$138,000

4.4★ (1,400)

Quick take: The Winnebago Solis 59PX is 2 ft shorter and easier to maneuver; the Winnebago Solis 59PX ships with more solar (220W vs 200W).

✓The pop-top roof is the headline feature — it adds a second sleeping loft so the 59PX genuinely sleeps four (Murphy+ bed below, pop-top loft above), rare for a 21-foot Class B
✓RAM ProMaster chassis is wide and front-wheel-drive, giving a roomy interior, a low step-in height, and gas-engine servicing at any dealer instead of diesel Sprinter maintenance
✓Pop-top side and rear screens create excellent cross-ventilation — owners report rarely needing the AC until well into the 90s, which saves battery and runs quieter
✓Onboard generator plus roof-mounted air conditioner on the PX give renters and owners a security blanket for hot, hookup-free nights when you do need cooling
✓Winnebago's build reputation and dealer/service network are strong for a mainstream Class B, well ahead of bargain-brand coaches
✓At around $138K it's priced well below AWD Sprinter and Transit adventure vans while still being a capable, family-friendly van

✗Adding the rooftop AC on the PX means it loses the Maxxair roof fan that the non-PX 59P keeps — a real ventilation trade-off some owners regret
✗The grey and black tanks are large but hang below the frame rather than tucked between the rails, and the generator sits on a tray behind the rear axle, hurting ground clearance and approach angles
✗It's front-wheel-drive only — no AWD or 4x4 option — so deep snow, sand, and rough trails are off the menu compared to a Transit AWD or Sprinter 4x4
✗ProMaster electrical gremlins carry over: owners report doors that won't lock and parking lights flashing randomly, a known RAM issue requiring a battery-disconnect reset ritual
✗The pop-top loft comfortably fits two adults or an adult and child, but it's a climb and the lower-quality models' tops can feel less premium than a fixed high-roof
✗Running the onboard generator for AC is loud and burns fuel, undercutting the quiet-boondocking appeal that draws people to vans
✗Tank and battery capacities are good but not class-leading for serious extended off-grid — the Travato's Pure3 lithium system outguns it on pure power

✓It's an Airstream campervan at a relatively accessible price — owners get the brand cachet, design, and community on the widely-serviced Ram ProMaster platform rather than a six-figure Sprinter-based touring coach
✓Built on the Ram ProMaster 3500 extended chassis, so it's front-wheel-drive with a low flat floor and easy step-in, and serviceable at any Ram dealer nationwide
✓Later-production units are noticeably better — Airstream issued a service bulletin so dealers can pre-correct early faults, and newer owners report markedly more positive experiences
✓Strong Airstream resale reputation and brand loyalty carry over to the Rangeline, helping protect value versus generic van conversions
✓Backed by Airstream's large dealer and support network plus an active owner community on airforums and the ProMaster forum for troubleshooting

✗Window and plumbing leaks plagued early vans, with owners pointing to poor factory sealant work around the windows
✗Climate-control failures were reported — owners experienced the heater not working in winter and the air conditioning not working in summer on early units
✗It carries an Airstream premium — at $138k it costs well more than a comparably-equipped Thor or even some Winnebago ProMaster vans, so you pay for the badge
✗As Airstream's first ProMaster, owners essentially beta-tested the platform; first-model-year growing pains were real and a known risk on early VINs
✗Sleeps two, so despite the size it's a couple's van, not a family rig — buyers needing more berths must look elsewhere
✗Firefly/electrical complexity means some problems need a dealer who actually understands the system, which wasn't always the case early on