2025 Thor Rize 18M vs 2025 Thor Fritz 20

Detailed Comparison

If you're weighing the 2025 Thor Rize 18M against the 2025 Thor Fritz 20, you're looking at two solid contenders. Here's how they stack up.

Starting with size, the Thor Rize 18M measures 19.0 ft long and tips the scales at 6,600 lbs dry weight. The Thor Fritz 20 comes in at 22.0 ft with a dry weight of 6,400 lbs. That gives the Thor Fritz 20 roughly 3.0 extra feet of length.

The Thor Rize 18M sleeps 3 while the Thor Fritz 20 accommodates 4.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Thor Rize 18M at 19 gallons versus 15 gallons. Solar-wise, you get 250W on the Thor Rize 18M and 200W on the Thor Fritz 20. Battery banks are 350 Ah and 600 Ah.

At $170,000 MSRP for the Thor Rize 18M and $181,000 for the Thor Fritz 20, the Thor Rize 18M saves you $11,000. With only a 6% price difference, the choice comes down to features rather than cost.

Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. If you're a weekend camper, don't over-buy — the smaller, lighter model may serve you perfectly.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.