2024 Thor Rize 18G vs 2025 Thor Fritz 20
The 2024 Thor Rize 18G goes up against the 2025 Thor Fritz 20 in this detailed comparison. Each has distinct advantages worth considering.
Specifications Comparison
| Specification | 2024 Thor Rize 18G | 2025 Thor Fritz 20 | Advantage |
|---|---|---|---|
| Category | Campervan | Campervan | — |
| Year | 2024 | 2025 | 2025 Thor Fritz 20 |
| Length | 18.5 ft | 22 ft | — |
| Width | 7.5 ft | 7 ft | — |
| Height | 9 ft | 10 ft | — |
| Dry Weight | 6,400 lbs | 6,400 lbs | — |
| GVWR | 10,500 lbs | 9,600 lbs | — |
| Sleeping Capacity | 2 | 4 | 2025 Thor Fritz 20 |
| Fresh Water | 30 gal | 15 gal | 2024 Thor Rize 18G |
| Gray Water | 24 gal | 22 gal | 2024 Thor Rize 18G |
| Black Water | 11 gal | 6 gal | 2024 Thor Rize 18G |
| Fuel Capacity | 28 gal | 27 gal | 2024 Thor Rize 18G |
| Horsepower | 188 hp | 188 hp | Tie |
| Engine | Mercedes-Benz 3.0L V6 Turbo Diesel | Mercedes-Benz 3.0L V6 Turbo Diesel | — |
| Slide-Outs | 0 | 0 | — |
| Solar | 400 W | 200 W | 2024 Thor Rize 18G |
| Battery | 200 Ah | 600 Ah | 2025 Thor Fritz 20 |
| Inverter | 3,000 W | 2,500 W | 2024 Thor Rize 18G |
| MSRP | $176,000 | $181,000 | 2024 Thor Rize 18G |
Detailed Comparison
The 2024 Thor Rize 18G goes up against the 2025 Thor Fritz 20 in this detailed comparison. Each has distinct advantages worth considering.
The Thor Rize 18G measures 18.5 ft in length at 6,400 lbs, compared to the Thor Fritz 20's 22.0 ft and 6,400 lbs. GVWR ratings sit at 10,500 lbs and 9,600 lbs respectively.
The Thor Rize 18G sleeps 2 while the Thor Fritz 20 accommodates 4.
For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Thor Rize 18G at 30 gallons versus 15 gallons. Solar-wise, you get 400W on the Thor Rize 18G and 200W on the Thor Fritz 20. Battery banks are 200 Ah and 600 Ah.
At $176,000 MSRP for the Thor Rize 18G and $181,000 for the Thor Fritz 20, the Thor Rize 18G saves you $5,000. With only a 3% 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. Solo adventurers should consider the model that's easiest to manage single-handedly.
No comparison can replace walking through each unit yourself. Visit a dealer and experience the layouts firsthand.
Individual Overviews
2024 Thor Rize 18G
- Category: Campervan
- Length: 18.5 ft
- Weight: 6,400 lbs
- Sleeps: 2
- MSRP: $176,000
2025 Thor Fritz 20
- Category: Campervan
- Length: 22 ft
- Weight: 6,400 lbs
- Sleeps: 4
- MSRP: $181,000

