BreedCost

Boston Terrier vs Cavalier King Charles Spaniel Cost Comparison 2026

Boston Terrier costs $1,500/yr vs $1,880/yr for Cavalier King Charles Spaniel. Over a lifetime: $21,800 vs $24,180. Here's where the money goes.

Boston Terrier

$21,800

lifetime (13 yrs)

Lifetime Difference

$2,380

Boston Terrier costs less

Cavalier King Charles Spaniel

$24,180

lifetime (11 yrs)

Cost Breakdown

Category Boston Terrier Cavalier King Charles Spaniel Winner
Purchase Price $600–$2,000 $1,200–$3,500 Boston Terrier
Annual Food $300 $300 Boston Terrier
Routine Vet Care $500 $600 Boston Terrier
Grooming $50 $180 Boston Terrier
Pet Insurance $28–$55/mo $40–$80/mo Boston Terrier
Supplies & Training $250 $260 Boston Terrier
Total Annual Cost $1,500 $1,880 Boston Terrier
Lifetime Cost $21,800 $24,180 Boston Terrier

Boston Terrier Cost Profile

Size
small
Lifespan
13 years
Purchase Price
$600–$2,000
Annual Cost
$1,500/yr
Lifetime Total
$21,800
Full Boston Terrier Cost Breakdown →

Cavalier King Charles Spaniel Cost Profile

Size
small
Lifespan
11 years
Purchase Price
$1,200–$3,500
Annual Cost
$1,880/yr
Lifetime Total
$24,180
Full Cavalier King Charles Spaniel Cost Breakdown →

Bottom Line

Boston Terrier costs $380/yr less than Cavalier King Charles Spaniel ($1,500 vs $1,880). Over a lifetime, that gap compounds to a $2,380 difference.