Rat Terrier
VS
Chihuahua
Rat Terrier vs Chihuahua
Compare Rat Terrier and Chihuahua side by side and get a clear picture of what sets the breeds apart. Explore differences in size, weight, temperament, activity level, and other key traits to more easily decide which breed best fits your lifestyle and circumstances.
Characteristic
Rat Terrier
Chihuahua
Breed type
Purebred
Purebred
Height
25 – 46 cm
15 – 25 cm
Weight
5 – 10 kg
1 – 3 kg
Life expectancy
15 – 18 years
10 – 18 years
Child friendly
3/5
2/5
Energy level
3/5
3/5
Intelligence
3/5
3/5
Trainability
3/5
3/5
Health
4/5
4/5
Grooming needs
1/5
2/5
Shedding
3/5
3/5
Barking level
4/5
5/5
Aggressiveness
3/5
3/5
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Characteristics
Rat Terrier
Low grooming
Small
Chihuahua
Low grooming
Tiny
Summary
About Rat Terrier
The Rat Terrier is an American‑bred, small to medium, athletic farm and vermin dog. Intelligent and energetic, it thrives on training, exercise, and close family contact. With a short, low‑maintenance coat in many pied colors, it suits active homes and excels in various dog sports.
About Chihuahua
The Chihuahua is a tiny yet sturdy companion dog, usually 1.5–3 kg with an apple-shaped head and large eyes. Found in smooth or long coats in many colors, it is devoted, alert, and bold. It needs daily walks, training, close companionship, and good health and dental care to thrive.
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