It's about as heavy as a Car.
It's about four-fifths as heavy as a Rhinoceros.
In other words, 1.8210 tons is 0.790 times the weight of a Rhinoceros, and the weight of a Rhinoceros is 1.30 times that amount.(for Black rhinoceros, Diceros bicornis) (Adult, male)
An adult black rhinoceros weighs between 2.30 tons. Rhinoceros are extremely aggressive — nearly one of every two males will die as a result of fighting with other rhinoceros.
It's about two-thirds as heavy as a Giraffe.
It's about three-fifths as heavy as The Tongue of a Blue Whale.
In other words, 1.8210 tons is 0.610 times the weight of The Tongue of a Blue Whale, and the weight of The Tongue of a Blue Whale is 1.60 times that amount.(Balaenoptera musculus) (adult)
The tongue of a Blue Whale can weigh up to 3 tons. Despite their tremendous size, blue whales feed almost exclusively on tiny crustaceans called krill and cannot swallow anything much larger than a beach ball.
It's about two-fifths as heavy as a Hippopotamus.
In other words, 1.8210 tons is 0.4410 times the weight of a Hippopotamus, and the weight of a Hippopotamus is 2.270 times that amount.(Hippopotamus amphibius) (adult, male)
The average weight of an adult male hippopotamus ranges from 4.130 tons. Appearances to the contrary, adult hippos cannot swim or float in water; they actually move by leaping and walking across lake bottoms at about 8 kph (5 mph).
It's about two-and-a-half times as heavy as a Cow.
In other words, the weight of a Cow is 0.420 times 1.8210 tons.(for Holstein, a.k.a. Holstein Friesian, a.k.a. Friesian, Bos primigenius) (adult, heifer)
A mature Holstein cow (the well-known black-and-white, spotted breed of cow) typically weighs 0.750 tons. President William Howard Taft (1909 - 1913) kept a Holstein cow named Pauline Wayne on the White House grounds — a gift from a Wisconsin senator and the source of the First Family's milk.
It's about three times as heavy as a Grizzly Bear.
In other words, 1.8210 tons is 3.170 times the weight of a Grizzly Bear, and the weight of a Grizzly Bear is 0.3150 times that amount.(a.k.a. brown bear, a.k.a. silver bear, Ursus arctos horribilis) (Adult, male, coastal area population average)
An adult, male grizzly bear from a coastal area (where food is plentiful) can weigh up to 0.5740 tons. In spite of their tremendous size, grizzly bears can run at speeds of up to 55 kph (34 mph).