When it comes to choosing an SUV that's suitable for dogs, there are several factors to consider. These include spaciousness, ease of entry and exit, safety features, and durability. 

Subaru Outback: Subaru vehicles are often praised for their spacious interiors and durable materials, making them a favorite among dog owners. The Outback, in particular, has a low load floor and wide rear opening, which makes it easy for dogs to get in and out.

Honda CR-V: The CR-V is known for its roomy interior and excellent visibility, which is beneficial when traveling with dogs. It also has a low load floor and rear seats that fold flat, providing ample space for your furry friend.

Toyota RAV4: The RAV4 is a popular choice due to its reliability and generous cargo space. It also offers available features like a hands-free power liftgate, which can be convenient when your hands are full with dog supplies.

Jeep Wrangler: The Wrangler's rugged interior and removable top options can make it a good choice for dog owners who enjoy outdoor adventures with their pets. However, keep in mind that the high load floor may be a bit challenging for older or smaller dogs to navigate.

Chevrolet Equinox: The Equinox provides a comfortable and spacious interior. It also offers optional features like a hands-free liftgate and a flat-folding rear seat for added convenience.

Ford Escape: The Escape is known for its versatility and ample cargo space. It offers a low load floor and available features like a foot-activated liftgate, which can be handy for dog owners.

Volvo XC60: If safety is a top concern, Volvo vehicles are known for their excellent safety features. The XC60, in particular, offers a spacious and comfortable interior that can be well-suited for dogs.

Mazda CX-5: The CX-5 combines a stylish design with a comfortable interior. It's also known for its agile handling, which can be beneficial when traveling with pets.

Remember that every dog is different, so it's a good idea to take your furry friend along when test-driving vehicles. This way, you can see how they respond to the car's interior and whether it suits their needs. Additionally, consider using a harness or crate to keep your dog safe while traveling in any vehicle.