Best for most car campers, and anyone who wants a real flush
Thetford Porta Potti 365
A genuine flushing toilet with a sealed tank and a near-household seat height. The most civilized option here, and the heaviest commitment to carry.
This is the pick because the thing people actually want from a camping toilet is for it not to feel like a camping toilet, and a water flush into a sealed tank is what delivers that. Odor is the failure mode of every other style, and a sealed tank with a slide valve is the only design here that genuinely contains it between uses.
The cost is volume and logistics rather than money. Roughly 16 inches cubed is a serious claim on a trunk that also has to hold a tent, two sleeping pads and a cooler, and when the waste tank is full you have 5.5 gallons of liquid to carry to an approved disposal point. If your car is already tight, read the Porta Potti 135 pick below before this one, and our car camping gear page for how the volume budget works.
Specs
- 5.5-gallon waste water tank
- 4-gallon fresh water tank
- Piston pump flush
- 16.29 in H x 15.07 in W x 16.81 in D
- Seat height 16.06 in
- Sealed, detachable waste tank with a rotating pour-out spout
Good for
- A real water flush and a sealed tank is the difference between a toilet and a bucket, and it is the entire reason this category exists above bucket money
- A 16.06-inch seat height is close to a household toilet, which matters more than any other spec for anyone with a bad knee, a bad back or a long trip
- 5.5 gallons is genuinely several days for a couple, so you are not planning the trip around a dump station
Bad at
- You must carry roughly 9.5 gallons of tank capacity and the water to fill it -- full, this is a heavy, awkward, sloshing object you do not want to lift alone
- Thetford does not publish an empty weight, and the dimensions mean it claims a permanent, inflexible block of trunk space
- Emptying it is a real chore with real rules: it needs an RV dump station or an approved toilet, and you cannot pour it into a vault toilet or on the ground
