Breed Versus

Chihuahua vs Rottweiler

A side-by-side breakdown of size, cost, grooming load and lifestyle fit — with a straight answer on which suits which household.

Short answer

These two are closely matched. The decision comes down to cost and coat rather than temperament — pick Chihuahua if monthly budget is the deciding factor.

Comparison table

AttributeChihuahuaRottweiler
Speciesdogdog
OriginMexicoGermany
Weight (kg)1.5–335–50
Height (cm)15–2356–69
Lifespan (years)14–188–11
Monthly cost (USD)$64$99
Yearly cost (USD)$768$1188
Purchase price (USD)$1400$2750
Grooming need (1–5)22
Shedding (1–5)33
Energy (1–5)33
Trainability (1–5)24
Apartment fit (1–5)52
Good with kids (1–5)13
Vocal (1–5)52

What the numbers mean

  • Chihuahua weighs 1.5–3 kg and lives 14–18 years; Rottweiler weighs 35–50 kg and lives 8–11 years.
  • On estimated monthly cost, Chihuahua runs about $64/month versus $99/month for Rottweiler — a difference of roughly $35 a month, or $420 a year.
  • Chihuahua has the higher apartment suitability score (5/5 vs 2/5) — this matters most if you rent or live in a flat.
  • Both have the same shedding score (3/5).
  • Both have the same grooming requirement (2/5).
  • Both have the same energy level (3/5).
  • Rottweiler has the higher trainability score (4/5 vs 2/5).
  • Rottweiler has the higher kid-friendliness score (3/5 vs 1/5).
  • Chihuahua has the higher vocalisation score (5/5 vs 2/5) — higher means more barking or meowing.

Cost over ten years

At the estimated monthly rates above, ten years of routine care (food, treats, grooming, medication, vet visits and supplies — excluding insurance, emergency treatment and purchase price) works out to roughly $7,680 for Chihuahua and $11,880 for Rottweiler. The gap is $4,200 — usually larger than the difference in purchase price.

Health profile

Chihuahua

  • Patellar luxation
  • Tracheal collapse
  • Hypoglycemia

Rottweiler

  • Hip dysplasia
  • Osteosarcoma
  • Subvalvular aortic stenosis

Which one should you pick?

  • Choose Chihuahua if you want a breed that copes well in a smaller home, prefer a calmer daily routine, and your budget covers about $64 a month.
  • Choose Rottweiler if you want a more substantial dog to work with, prefer a calmer daily routine, and your budget covers about $99 a month.
  • Neither, if the grooming load is more than you can sustain; both need regular coat care.

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