2025 Thor Windsport 29M vs 2024 Thor Magnitude 39BH

Two popular options on many shoppers' shortlists — the 2025 Thor Windsport 29M and the 2024 Thor Magnitude 39BH. Let's see how they compare across the specs that matter most.

Specifications Comparison

Specification2025 Thor Windsport 29M2024 Thor Magnitude 39BHAdvantage
CategoryClass AClass A
Year202520242025 Thor Windsport 29M
Length43.5 ft31 ft
Width8.5 ft8.5 ft
Height13.5 ft11 ft
Dry Weight16,500 lbs23,500 lbs
GVWR19,100 lbs27,500 lbs
Sleeping Capacity742025 Thor Windsport 29M
Fresh Water98 gal97 gal2025 Thor Windsport 29M
Gray Water44 gal67 gal2024 Thor Magnitude 39BH
Black Water36 gal35 gal2025 Thor Windsport 29M
Fuel Capacity138 gal121 gal2025 Thor Windsport 29M
Horsepower348 hp408 hp2024 Thor Magnitude 39BH
EngineCummins ISB 6.7LCummins L9
Slide-Outs242024 Thor Magnitude 39BH
Solar250 W500 W2024 Thor Magnitude 39BH
Battery350 Ah100 Ah2025 Thor Windsport 29M
Inverter2,500 W2,000 W2025 Thor Windsport 29M
MSRP$175,000$133,0002024 Thor Magnitude 39BH

Detailed Comparison

Two popular options on many shoppers' shortlists — the 2025 Thor Windsport 29M and the 2024 Thor Magnitude 39BH. Let's see how they compare across the specs that matter most.

Dimensionally, you're looking at 43.5 ft for the Thor Windsport 29M and 31.0 ft for the Thor Magnitude 39BH. The Thor Magnitude 39BH carries an extra 7,000 lbs, which affects tow vehicle requirements and fuel economy.

The Thor Windsport 29M sleeps 7 while the Thor Magnitude 39BH accommodates 4. Slide-outs play a role in livability: the Thor Windsport 29M has 2 and the Thor Magnitude 39BH has 4.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Thor Windsport 29M at 98 gallons versus 97 gallons. Solar-wise, you get 250W on the Thor Windsport 29M and 500W on the Thor Magnitude 39BH. Battery banks are 350 Ah and 100 Ah.

At $175,000 MSRP for the Thor Windsport 29M and $133,000 for the Thor Magnitude 39BH, the Thor Magnitude 39BH saves you $42,000.

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 Thor Windsport 29M

  • Category: Class A
  • Length: 43.5 ft
  • Weight: 16,500 lbs
  • Sleeps: 7
  • MSRP: $175,000
View Full Specs

2024 Thor Magnitude 39BH

  • Category: Class A
  • Length: 31 ft
  • Weight: 23,500 lbs
  • Sleeps: 4
  • MSRP: $133,000
View Full Specs