Are Maine Coons Bigger Than Siberian Cats?

Calling all cat lovers. Are you on the hunt for a new feline friend to add to your family? If you’re considering either the majestic Maine Coon or the stunning Siberian cat, then you may be wondering – which one is bigger? It’s a question that has sparked many debates among feline enthusiasts, and we’re here to help settle it once and for all.

While Maine Coons are often touted as the largest domestic cat breed, don’t count out Siberian cats just yet. These two breeds both have unique characteristics that contribute to their size and overall appearance. So, what sets them apart?

In this blog post, we’ll explore everything from the history and genetics of these magnificent felines to their weight, size, and temperament. Whether you’re a seasoned cat owner or just starting your journey with these furry companions, by the end of this article, you’ll have a newfound appreciation for both breeds and a better understanding of which one may be right for you.

So, let’s get started.

Overview of Maine Coons

Known as the largest domestic cat breed in the world, these gentle giants have captured the hearts of many with their unique appearance and friendly demeanor.

Let’s dive into some of the physical characteristics that make Maine Coons such a fascinating breed. With their long, rectangular bodies, broad chests, and muscular legs, these cats have a regal presence. Their large, square-shaped heads and tufted ears give them an adorable wild look, while their thick, shaggy coat is water-resistant and comes in a variety of colors and patterns. And don’t even get us started on how soft and fluffy their fur is.

But it’s not just their size that sets Maine Coons apart from other cat breeds. These cats are also known for their gentle personalities, earning them the nickname “gentle giants” of the feline world. They love human companionship and enjoy interactive playtime with their owners, making them ideal pets for families with children.

One of the most endearing traits of Maine Coons is their loyalty to their owners. These cats will follow you around like a faithful dog and even come when you call their name. Plus, they get along great with other pets and kids.

Overview of Siberian Cats

If so, look no further than the Siberian cat. These felines are a true sight to behold with their fluffy, thick coats and muscular build.

Originally bred in Russia to control pesky rodents in homes and farms, Siberian cats have become popular pets worldwide due to their affectionate personalities, playful nature, and hypoallergenic qualities.

One of the most striking features of these cats is their size. They are considered medium to large-sized, with an average weight of 8-17 pounds and a length of up to 20 inches.

However, there can be some variation in size depending on individual genetics. Don’t let their size fool you, though – Siberian cats are strong and athletic creatures, excelling in activities such as jumping and climbing. With their intelligence and trainability, they make fantastic candidates for agility training or other types of interactive play.

When it comes to personality traits, Siberian cats are incredibly loving and affectionate. They enjoy spending time with their human companions and will often follow them around like loyal pups.

Their playful nature makes them great companions for children or other pets, too. Plus, they’re hypoallergenic. This means that they produce less of the protein that causes allergies in humans, making them fantastic pets for people who suffer from allergies but still want a feline friend.

Comparison of Size

First things first, both breeds are considered large cats. But when it comes to size comparison, Maine Coons take the cake. These gentle giants can weigh anywhere from 9 to 18 pounds on average, with some even tipping the scales at a whopping 25 pounds. They can also grow up to an impressive 40 inches in length, making them one of the largest domesticated cat breeds known to man. In contrast, Siberian cats weigh between 8 and 17 pounds and can grow up to 25 inches in length.

While both breeds may look alike at first glance, Maine Coons have a more muscular and stocky build compared to the leaner Siberian cat. Their strength and large size make them excellent hunters that can take down prey much larger than themselves.

Don’t be fooled though, genetics and environmental factors play a significant role in the growth and development of individual cats within each breed. Therefore, it is possible for a specific Siberian cat to be larger than a particular Maine Coon.

Factors Influencing Cat Size

The size of a cat is determined by a variety of factors, including genetics, nutrition, exercise routine, gender, and environment. Each of these factors plays a different role in determining a cat’s size.

First and foremost, genetics is the primary factor that influences cat size. Different cat breeds have distinct genetic makeups that determine their size and weight. For instance, Maine Coon and Siberian cats are both large breeds, but their genetics play a role in how big they can grow.

Secondly, nutrition is crucial for cats to develop properly. Proper nutrition helps cats reach their full potential size while providing them with the essential nutrients they need. Overfeeding a cat can lead to obesity and health issues; underfeeding can cause stunted growth.

Thirdly, exercise is important in maintaining a cat’s healthy weight and muscle mass. Regular exercise provides cats with the necessary physical activity that they require to stay active and maintain an ideal body condition. Insufficient physical activity may lead to obesity, lethargy, and decreased muscle mass.

Fourthly, gender also plays a part in determining cat size. Male cats usually have more muscle mass and are generally more active than females, which makes them larger in size.

Lastly, environmental factors can impact a cat’s size. Cats living in smaller spaces may not have enough room to exercise and play, which could cause smaller overall size and decreased muscle mass.


After diving deep into the world of cat breeds, it’s clear that the Maine Coon and Siberian cats are two of the biggest contenders in terms of size. While Maine Coons are often crowned as the largest domestic cat breed, don’t count out the Siberian just yet.

The Maine Coon boasts a regal presence with their long rectangular bodies, broad chests, and muscular legs. Their thick shaggy coat is water-resistant and comes in a variety of colors and patterns. Meanwhile, Siberian cats have a fluffy thick coat and a muscular build that makes them fantastic climbers and jumpers.

Size-wise, Maine Coons tend to be larger than Siberians. However, it’s essential to consider that individual factors such as genetics, nutrition, exercise routine, gender, and environment can all play a role in determining a cat’s size. So while Maine Coons may have the advantage in size on paper, there’s always a chance you could come across an exceptionally large Siberian.

Both breeds make excellent pets thanks to their loving personalities and playful nature. Whether you’re looking for a loyal companion or an agile playmate for your family or other pets, both Maine Coons and Siberian cats have unique qualities that make them great additions to any household.