2025 Winnebago Adventurer 29B vs 2025 Winnebago Horizon 40A

If you're weighing the 2025 Winnebago Adventurer 29B against the 2025 Winnebago Horizon 40A, you're looking at two solid contenders. Here's how they stack up.

Specifications Comparison

Specification2025 Winnebago Adventurer 29B2025 Winnebago Horizon 40AAdvantage
CategoryClass AClass A
Year20252025Tie
Length26.5 ft40.5 ft
Width8.5 ft8 ft
Height11 ft11 ft
Dry Weight31,200 lbs16,100 lbs
GVWR34,800 lbs20,600 lbs
Sleeping Capacity672025 Winnebago Horizon 40A
Fresh Water96 gal95 gal2025 Winnebago Adventurer 29B
Gray Water74 gal68 gal2025 Winnebago Adventurer 29B
Black Water42 gal50 gal2025 Winnebago Horizon 40A
Fuel Capacity83 gal142 gal2025 Winnebago Horizon 40A
Horsepower427 hp419 hp2025 Winnebago Adventurer 29B
EngineCummins ISB 6.7LCummins ISL 8.9L
Slide-Outs11Tie
Solar350 W450 W2025 Winnebago Horizon 40A
Battery200 Ah300 Ah2025 Winnebago Horizon 40A
Inverter2,000 W2,500 W2025 Winnebago Horizon 40A
MSRP$374,000$244,0002025 Winnebago Horizon 40A

Detailed Comparison

If you're weighing the 2025 Winnebago Adventurer 29B against the 2025 Winnebago Horizon 40A, you're looking at two solid contenders. Here's how they stack up.

Dimensionally, you're looking at 26.5 ft for the Winnebago Adventurer 29B and 40.5 ft for the Winnebago Horizon 40A. The Winnebago Adventurer 29B carries an extra 15,100 lbs, which affects tow vehicle requirements and fuel economy.

The Winnebago Adventurer 29B sleeps 6 while the Winnebago Horizon 40A accommodates 7. Slide-outs play a role in livability: the Winnebago Adventurer 29B has 1 and the Winnebago Horizon 40A has 1.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Winnebago Adventurer 29B at 96 gallons versus 95 gallons. Solar-wise, you get 350W on the Winnebago Adventurer 29B and 450W on the Winnebago Horizon 40A. Battery banks are 200 Ah and 300 Ah.

At $374,000 MSRP for the Winnebago Adventurer 29B and $244,000 for the Winnebago Horizon 40A, the Winnebago Horizon 40A saves you $130,000.

If you're traveling with a family, look for the model with more sleeping positions and better storage. Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. For the full-time RV lifestyle, every gallon of tank capacity and every inch of counter space counts.

Remember, the perfect RV is the one you'll actually use. Pick the one that excites you most and hit the road.

Individual Overviews

2025 Winnebago Adventurer 29B

  • Category: Class A
  • Length: 26.5 ft
  • Weight: 31,200 lbs
  • Sleeps: 6
  • MSRP: $374,000
View Full Specs

2025 Winnebago Horizon 40A

  • Category: Class A
  • Length: 40.5 ft
  • Weight: 16,100 lbs
  • Sleeps: 7
  • MSRP: $244,000
View Full Specs