  Earth's atmosphere, on the other hand, is mostly nitrogen (78%) and oxygen (21%) with 1% being a mix of hydrogen, carbon dioxide and others. So you can see that Mars has much less atmosphere than the Earth does and oxygen make a proportionally much smaller fraction of of what there is than what we have on Earth.
Pickup trucks come in different shapes and sizes, and their weight entirely depends on the make and model. On average, a common pickup truck can weigh up to 3 tons, equivalent to 6,000 pounds.
1 ton = 2000lbs. a car is usually between 3000 to 4000 lbs or:   1.5 to 2 tons This depends on the vehicle, each vehicle weighs different, small cars like the 2008 Ho â¦ nda Civic's Curb weigh is 2,628 lbs (1.3 tons). and larger cars like a 2008 Mercury Grand Marquis weighs in at 4,039 lbs (2.0 tons).