Chihuahua vs Rat Terrier

Toy · Toy vs Terrier · Small

Quick take
  • Rat Terrier is the larger breed at 10–25 lbs (males) vs 6 lbs for the Chihuahua.
  • The Rat Terrier has higher daily energy needs.
  • The Rat Terrier is generally more trainable.

Side-by-side traits

TraitChihuahuaRat Terrier
Group
ToyTerrier
Size
ToySmall
Origin
MexicoUSA
Height (male)
5–8"10–18"
Height (female)
5–8"10–18"
Weight (male)
6 lbs10–25 lbs
Weight (female)
6 lbs10–25 lbs
Lifespan
Average expected lifespan.
14–16 years12–18 years
Energy level
Daily activity needs.
High (4/5)Very High (5/5)
Trainability
How quickly the breed learns commands.
Moderate (3/5)High (4/5)
Intelligence
Problem-solving ability.
High (4/5)Very High (5/5)
Exercise needs
Daily physical activity required.
Moderate (3/5)High (4/5)
Shedding
Lower = less hair around your home.
Low (2/5)Low (2/5)
Grooming effort
Brushing, bathing, professional grooming.
Low (2/5)Very Low (1/5)
Drooling
Lower = drier face and furniture.
Very Low (1/5)Very Low (1/5)
Barking
How vocal the breed is.
Very High (5/5)Moderate (3/5)
Good with kids
Low (2/5)High (4/5)
Good with other dogs
Moderate (3/5)High (4/5)
Good with strangers
Low (2/5)Moderate (3/5)
Protectiveness
Watchdog tendencies.
High (4/5)Moderate (3/5)
Adaptability
Apartment / new environment tolerance.
Very High (5/5)High (4/5)
Coat length
shortshort
Hypoallergenic
Lower-shedding, less dander.
NoNo
Ad slot · compare-mid

About the Chihuahua

The Chihuahua is a graceful, charming, sassy tiny dog of Mexican origin — the world's smallest breed, big in personality. Originally from Mexico, this toy toy breed typically weighs 6 lbs and lives 14–16 years. Breeders describe them as graceful, charming, sassy.

About the Rat Terrier

The Rat Terrier is a friendly, lovable, alert American farm terrier — President Roosevelt's favorite, born to clear vermin. Originally from USA, this small terrier breed typically weighs 10–25 lbs and lives 12–18 years. Breeders describe them as friendly, lovable, alert.

Ad slot · compare-bottom

Chihuahua health

Common health concerns reported in this breed:

  • Patellar luxation
  • Hydrocephalus
  • Heart disease
  • Dental issues

Rat Terrier health

Common health concerns reported in this breed:

  • Patellar luxation
  • Hip dysplasia
  • Heart issues