Best Dog Car Seats & Safety

The 4Knines fitted rear seat cover is the one car product on this site that owners keep buying and keep. The patented double L-shaped zipper design lets you unzip access to seat belts, LATCH anchors and fold-down seats without pulling the whole cover off, and the quilted top with a K9-Shield waterproof layer and non-slip backing stays put under a large dog. It is not a crash restraint — pair it with a tested harness — but as seat protection it is the researched default for a 54-inch rear bench.

A booster seat that lifts a small dog so it can see out and stays put on the seat belt, with two tethers that clip to a harness. It is not a crash device and K&H does not claim crash testing, so it keeps a small dog settled and contained rather than protected in a collision. Sold by Amazon at $89.98.

For SUV owners, the PetSafe barrier is the simplest solution to the 'dog climbing into the front seat at 65 mph' problem. The tension-mount system installs in minutes without tools or drilling, and the wire mesh is strong enough to contain dogs that test boundaries. Check your vehicle's headrest-to-headrest width before ordering, because returns on this one are usually a fitment issue, not a quality issue.

The Sleepypod Clickit Sport is the car harness from the brand whose harnesses earned Center for Pet Safety certification. It rates 3.9 stars, mostly on fit, so we keep it as a stated exception: it is the only CPS-certified harness line on Amazon. Measure your dog's chest against Sleepypod's size chart before buying.

A second crash-tested harness alongside the Clickit, at roughly half its price. This subcategory otherwise jumps from a booster seat and a barrier straight to a $109 harness. The manufacturer states testing to 32 kg / 70 lbs — that is their claim, not our measurement.