Sigma SD14 weighs 750 g (1.65 lb / 26.46 oz) and has external dimensions of 144 x 107 x 81 mm (5.67 x 4.21 x 3.19″). Considering that the average weight of DSLR type cameras is 774g, its weight is about average in its class. With a thickness of 81mm, it also has an average thickness.
In order to give you a better idea about the real life size of Sigma SD14, we have added an image of how it looks next to a credit card and an AA type battery.
Now let's compare Sigma SD14 size with the camera that it replaced: Sigma SD10. Sigma SD14 is 8mm narrower and 13mm shorter than Sigma SD10 but it is also 2mm thicker.
Below you can find the comparison of the weight and thickness of Sigma SD14 with its main competitors:
Sigma SD14 doesn't have any environmental sealings on its body so you got to be extra careful to protect it against water and dust. If you shoot under these conditions very often, consider checking Top DSLR Cameras with Weather Sealing page.