British Shorthair vs Devon Rex

Same fields, side by side: weight, lifespan, grooming load, energy and known health risks.

British ShorthairDevon Rex
Weight3-8 kg2.3-4.5 kg (5-10 lb)
Lengthup to 70 cm including tailSmall to medium, about 43-46 cm nose to tail base
Lifespan12-17 years9-15 years
Typical price$800-$2,000 (US, health-tested breeder)USD 1,200-2,500 from a registered breeder
Grooming●●○○○●●○○○
Shedding●●●○○●○○○○
Energy●●○○○●●●●●
Affection●●●○○●●●●●
Vocalness●○○○○●●●○○
Independence●●●●○●●○○○

What the numbers say

  • Shedding: Devon Rex is lower than British Shorthair.
  • Energy: Devon Rex is higher than British Shorthair.
  • Vocalness: British Shorthair is lower than Devon Rex.
  • Affection: Devon Rex is higher than British Shorthair.

Size, longevity and the practical difference

British Shorthair weighs 3-8 kg and stands out at up to 70 cm including tail; Devon Rex weighs 2.3-4.5 kg (5-10 lb), Small to medium, about 43-46 cm nose to tail base. Lifespan is 12-17 years against 9-15 years. In practice the heavier cat costs more at every vet visit (drugs and anaesthesia are dosed by weight), needs sturdier cat trees, and carries a higher baseline risk of joint load. The lighter cat is easier to keep slim and cheaper to medicate, but has less margin if it loses weight during illness.

Time you actually spend per week

Coat and skin work is the recurring cost. British Shorthair sits at grooming difficulty 2/5 and moderate shedding, which is roughly <strong>25 to 40 minutes of combing a week</strong>, more in spring and autumn. Devon Rex sits at 2/5 and almost no loose hair: about <strong>25 to 40 minutes a week</strong>. Play is the second cost: British Shorthair has low drive, short daily play is enough; Devon Rex has very high drive, bored fast without daily work. Budget 10 to 15 minutes twice a day for either, and a food puzzle for the lower-energy one so it does not simply sleep through the day.

Health screening before and after you buy

British Shorthair's headline risk is Hypertrophic cardiomyopathy (HCM). Devon Rex's is Malassezia dermatitis. Ask for the parents' DNA test results and the most recent cardiac ultrasound report; both breeds' calendars on this site list which tests are worth paying for and how often. Weight is the lever you control: a cat one kilogram over its ideal weight has measurably more arthritis and diabetes risk, so weigh monthly and act at 10% above target.

Which one fits your household

Energy 2/5 and vocalness 1/5 for British Shorthair against 5/5 and 3/5 for Devon Rex; affection 3/5 against 5/5. Both lean towards people. If nobody is home for ten hours a day, neither is a good fit on its own unless you take two cats or arrange a midday visit. A first-time owner or a home with young children should pick the calmer, more tolerant of the two; an experienced owner who wants interaction should pick the busier one.

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