Large11.3 yr avg
Boxer
AKC · Working
View breedComparison
Boxer vs Cavalier King Charles Spaniel
Side-by-side comparison from peer-reviewed sources. Lifespan and health figures draw on Royal Veterinary College VetCompass and AKC breed data.
At a glance
Side-by-side
The numbers that most change day-to-day care. A citrus border marks a meaningful advantage.
Large
Boxer
Lifespan11.3 yrrange 11–12
SizeLarge
Weight65–80 lb29.5–36.3 kg
Height21.5–25 in54.6–63.5 cm
Senior at6 yrgeriatric at 10
AKC groupWorking
Energy4/560 min/day
Trainability4/5
Shedding2/5
With kids5/5
With other dogs3/5
Small
Cavalier King Charles Spaniel
Lifespan11.8 yrrange 11–12
SizeSmall
Weight13–18 lb5.9–8.2 kg
Height12–13 in30.5–33 cm
Senior at8 yrgeriatric at 12
AKC groupToy
Energy3/545 min/day
Trainability4/5
Shedding2/5
With kids5/5
With other dogs5/5
Health
Common health issues
Top 3 prevalence-ranked conditions for each breed. See each breed's full health profile for screening schedules and source data.
Boxer
- High prevalencetypical onset ~8 yr
Degenerative Myelopathy
Description and veterinary guidance for Degenerative Myelopathy land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~6 yr
Adult-Onset Cardiac Disease (Echocardiogram)
Description and veterinary guidance for Adult-Onset Cardiac Disease (Echocardiogram) land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~5 yr
Hypothyroidism
Description and veterinary guidance for Hypothyroidism land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
Cavalier King Charles Spaniel
- High prevalencetypical onset ~8 yr
Degenerative Myelopathy
Description and veterinary guidance for Degenerative Myelopathy land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~7 yr
Cataracts
Description and veterinary guidance for Cataracts land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
- Moderatetypical onset ~6 yr
Adult-Onset Cardiac Disease (Echocardiogram)
Description and veterinary guidance for Adult-Onset Cardiac Disease (Echocardiogram) land in Phase 4. Prevalence and onset-age figures above are drawn from https://ofa.org/diseases/disease-statistics/.
Synthesis
Which is right for you?
Boxer and Cavalier King Charles Spaniel have similar median lifespans, around 11.6 years.
Size gap is meaningful: the Boxer is large and the Cavalier King Charles Spaniel is small. Expect different considerations for housing, travel, and vet-care costs.
Energy levels are close, with a slight edge to the Boxer (60 min/day of directed exercise).
Both carry 1 high-prevalence breed-specific health risks — see the health section above for condition-by-condition detail.
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