
Photo by Petrus Camper; Reinier Vinkeles via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Petrus_Camper_facial_angles_by_son_Adriaan_Gilles_-_baby_to_old_man.jpg) (Public domain)
2025 Thor Fritz 20
by Thor
Full Specifications
General Info
| Manufacturer | Thor |
| Country of Origin | USA |
| Year | 2025 |
| Category | Campervan |
| Subcategory | — |
Dimensions & Weight
| Length | 22 ft |
| Width | 7 ft |
| Height | 10 ft |
| Dry Weight | 6,400 lbs |
| GVWR | 9,600 lbs |
| Hitch Weight | — |
| Cargo Capacity | 3,200 lbs |
Engine & Chassis
| Fuel Type | Diesel |
| Engine | Mercedes-Benz 3.0L V6 Turbo Diesel |
| Chassis | Mercedes-Benz Sprinter 3500 |
| Horsepower | 188 hp |
| Fuel Capacity | 27 gal |
Living & Off-Grid
| Sleeping Capacity | 4 |
| Slide-Outs | 0 |
| Awning Length | 11.5 ft |
| A/C | 13,500 BTU |
| Furnace | 25,000 BTU |
| Fridge | Compressor 12V |
| Fresh Water | 15 gal |
| Gray Water | 22 gal |
| Black Water | 6 gal |
| Solar | 200 W |
| Battery | 600 Ah |
| Inverter | 2,500 W |
About the 2025 Thor Fritz 20
Thor targets the growing van-life audience with the 2025 2025 Thor Fritz 20, a campervan that makes the mobile lifestyle accessible without requiring a custom build or months of DIY conversion work.
With an overall length of 22.0 feet, 7.0 feet wide and with a height of 10.0 feet, the 2025 Thor Fritz 20 weighs in at 6,400 pounds before loading, with a GVWR of 9,600 lbs, offering 3,200 pounds for gear and supplies.
Sleeping up to 4 people, this model works well for small families or traveling duos who appreciate extra guest capacity. Convertible dinettes or sofa beds provide flexibility between day and night configurations without sacrificing comfort.
For extended stays away from hookups, the 2025 Thor Fritz 20 comes equipped with a 15-gallon fresh water tank, 22 gallons of gray water holding, a 6-gallon black water tank. For electrical needs, the unit provides a 200W solar panel setup, 600 amp-hours of battery storage, a 2500-watt inverter for household AC power. 13,500 BTU of air conditioning handles warm-weather comfort, while a 25,000 BTU furnace ensures warmth during cold nights. The kitchen features a Compressor 12V refrigerator for keeping provisions cold. Outside, a 11.5-foot power awning provides welcome shade for outdoor dining and relaxation.
Power comes from a Mercedes-Benz 3.0L V6 Turbo Diesel, paired with the proven Mercedes-Benz Sprinter 3500 platform, rated at 188 horsepower. A 27-gallon fuel capacity running on Diesel gives you confidence on cross-country drives.
With an MSRP of $181,000, the 2025 Thor Fritz 20 lands in premium territory with the build quality and features to justify the investment for serious RV enthusiasts. Small families and adventurous couples will find the 2025 Thor Fritz 20 hits a practical sweet spot between intimate coziness and the ability to host a guest or two when the occasion calls for it.
Looking at the complete picture, the 2025 2025 Thor Fritz 20 delivers on the promise of quality RV living. It is the kind of rig that makes you excited to plan the next trip before the current one is even over, which is perhaps the highest compliment an RV can earn.
Go anywhere, park anywhere — the 2025 Thor Fritz 20 is a campervan that blurs the line between daily driver and adventure vehicle.
Built on the Mercedes-Benz Sprinter 3500 with a 188 HP Mercedes-Benz 3.0L V6 Turbo Diesel engine, this van is equally at home in a Walmart parking lot or a remote trailhead. The efficient interior includes sleeping space for 4, a compact galley with Compressor 12V refrigerator and two-burner cooktop, and a wet bath.
The 200-watt solar panel system and 600 Ah lithium battery bank make dry camping effortless. Priced from $181,000, the 2025 Thor Fritz 20 offers an accessible entry into the van life lifestyle.