Chihuahua Terrier Mix: Small Dog, Big Personality

Our dog Jinji is a Chihuahua / Rat Terrier mix, and let me tell you—she may be tiny, but she runs the whole house. This spunky little girl has enough attitude for a dog five times her size, and she’s smart, sassy, and always on alert. If you’re thinking about getting a Chihuahua Terrier mix or just curious about what they’re like, here’s a full breakdown of what to expect from this fun-sized firecracker.

Whether your mix includes Rat Terrier, Jack Russell Terrier, or another terrier type, you’re likely getting a pup with a bold personality, tons of energy, and a surprising amount of loyalty packed into a petite package.

Appearance

Chihuahua Terrier mixes tend to be small dogs, usually weighing between 8 to 15 pounds. Jinji clocks in around 14 pounds, which is just the right size for lap cuddles—but don’t be fooled, she can move like lightning when she wants to!

Their appearance can vary depending on the terrier parent, but most have short, sleek coats that are easy to care for. Some may inherit wiry fur or longer whiskers from terrier breeds. Common colors include black, tan, white, and brown, often in fun patchy combos. Those big upright ears and alert, expressive eyes? Classic Chihuahua mix.

Temperament & Personality

This is where the Chihuahua Terrier mix really shines—or maybe “sparkles with sass” is a better way to put it.

These dogs are known for having bold, fearless personalities. Jinji is fiercely loyal and has a clear favorite human (okay, it’s me), but she warms up to new people once she’s sure they’re not a threat. She’s smart, a little stubborn, and always tuned in to her environment. That means she makes a great little watchdog, though we’re still working on toning down the “doorbell = DEFCON 1” reaction.

Expect a pup that’s affectionate but not necessarily clingy. Many of these mixes like to be near you but also enjoy some independent time. They’ll happily follow you from room to room but may also claim a cozy spot on the couch as their personal throne.

Grooming Needs

One of the perks of this mix? They’re generally low-maintenance in the grooming department.

Jinji’s short coat just needs a light brushing once or twice a week to keep it smooth and minimize shedding. She gets a bath when she starts to smell more like “outdoor adventure” than “indoor snuggle buddy.” If your mix inherited longer or wiry fur, you may need to brush a bit more often to prevent tangles.

Watch out for dental health, though—small dogs like this are prone to tartar build-up and dental issues. Regular brushing (or at least dental chews) helps. Keep up with nail trims and ear cleaning like you would for any pup.

Training & Exercise

Here’s where things get fun (and a little challenging).

Chihuahua Terrier mixes are clever and curious, which makes them capable of learning a lot—but they also have a streak of independence. Positive reinforcement training is key. Keep sessions short and upbeat, and be patient if your pup decides to test your consistency.

Exercise-wise, these dogs are surprisingly energetic. Jinji may be small, but she zooms around the yard like a greyhound on espresso. Daily walks, interactive toys, and even short agility games go a long way in burning off that energy and preventing boredom.

They thrive on mental stimulation, too—puzzle toys, scent games, and learning new tricks are great ways to keep their brains busy.

Common Health Concerns

Chihuahua Terrier mixes are generally healthy and long-lived, often reaching 12–16 years or more with good care. But like all dogs, there are a few things to watch out for:

• Dental issues – As mentioned, small mouths can mean crowded teeth.
• Luxating patella – A knee condition common in small breeds.
• Heart murmurs – Especially in older dogs.
• Tracheal collapse – More common in Chihuahuas, this affects the windpipe and can cause coughing.

Regular vet checkups and keeping your dog at a healthy weight go a long way in preventing problems.

Is This the Right Dog for You?

If you’re looking for a small dog with a big presence, a Chihuahua Terrier mix might just be your perfect match.

They’re great for apartments or smaller homes, as long as they get daily activity and mental stimulation. They love being part of the family and can do well with older kids who understand how to treat a small dog gently. Some may be bossy or reactive around other dogs, but socialization helps a lot.

They’re not usually couch potatoes—so if you want a dog who’s down for short walks, playtime, and maybe even learning a few tricks, this mix delivers.

Just be ready for the sass. And the barking. And the sudden zoomies.

FAQ

Are Chihuahua Terrier mixes good with kids?
They can be, especially with proper socialization and supervision. Due to their small size, they may not tolerate rough play from very young children.

Do they get along with other dogs?
Many do just fine, but some can be a little feisty or territorial. Early socialization helps, and slow introductions are best.

How much do they bark?
Let’s just say… they have opinions. Training and mental stimulation can reduce excessive barking, but they’ll probably always let you know when the mail arrives.