Maine Coon vs American Shorthair
Same fields, side by side: weight, lifespan, grooming load, energy and known health risks.
| Maine Coon | American Shorthair | |
|---|---|---|
| Weight | 4.5-11 kg | 3-7 kg |
| Length | up to 100 cm nose to tail tip | up to 75 cm including tail |
| Lifespan | 12-15 years | 13-17 years |
| Typical price | $800-$2,500 (US, health-tested breeder) | $600-$1,500 (US, reputable breeder) |
| Grooming | ●●●●○ | ●○○○○ |
| Shedding | ●●●●○ | ●●●○○ |
| Energy | ●●●●○ | ●●●●○ |
| Affection | ●●●●○ | ●●●○○ |
| Vocalness | ●●○○○ | ●●○○○ |
| Independence | ●●○○○ | ●●●●○ |
What the numbers say
- Grooming load: American Shorthair is lower than Maine Coon.
- Shedding: American Shorthair is lower than Maine Coon.
- Affection: Maine Coon is higher than American Shorthair.
Size, longevity and the practical difference
Maine Coon weighs 4.5-11 kg and stands out at up to 100 cm nose to tail tip; American Shorthair weighs 3-7 kg, up to 75 cm including tail. Lifespan is 12-15 years against 13-17 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. Maine Coon sits at grooming difficulty 4/5 and heavy shedding, which is roughly <strong>75 to 120 minutes of combing a week</strong>, more in spring and autumn. American Shorthair sits at 1/5 and moderate shedding: about <strong>10 to 16 minutes a week</strong>. Play is the second cost: Maine Coon has high drive, needs structured play every day; American Shorthair has high drive, needs structured play every day. 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
Maine Coon's headline risk is Hypertrophic cardiomyopathy (HCM). American Shorthair's is Hypertrophic cardiomyopathy (HCM). 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 4/5 and vocalness 2/5 for Maine Coon against 4/5 and 2/5 for American Shorthair; affection 4/5 against 3/5. 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.
Maine Coon care calendar · American Shorthair care calendar · cost of owning a cat

