The short answer
A secured crate contains the dog fully and suits cargo areas; a car harness attaches to the seat belt and suits the back seat. For crash performance, look for products on the Center for Pet Safety list in your size, such as the Sleepypod Clickit Sport harness or Gunner G1 kennel.
Compared
| Car harness | Crate | |
|---|---|---|
| Where | Back seat | Cargo area or floor |
| Containment | Restrains, dog can move a little | Fully contains |
| Space | Little | A lot |
| Listed examples | Sleepypod Clickit Sport | Gunner G1 (S, M, Intermediate) |
Choosing
- Small car or back-seat rider: harness.
- SUV with cargo space or an anxious dog: crate.
- Very small dogs: a listed carrier such as Sleepypod.
Options
Sleepypod Clickit Sport Plus and Gunner G1. A Kurgo backseat barrier separates but isn't a restraint.
SafetyNever attach a car tether to a collar; use a harness.
Products mentioned
Questions readers ask
Is a crate safer than a harness?
Both can be; look for products on the CPS list in your dog's size.
Can I clip a seat belt to a collar?
No; always use a harness.