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Ask Cars.com: How big is the Hummer's fuel tank

Q: How much gasoline does an H3 carry?

A: The H3 lineup, including the base, H3X and Alpha models, all use the same 23-gallon gas tank. There are two engine options, a 3.7-liter five-cylinder and a 5.3-liter eight-cylinder, and they use the same capacity tank.

The H3 carries enough fuel to make filling up an empty tank in the Dallas area cost around $85 a pop. Well, that's if you calculate it at $3.70 a gallon, which is the average price listed for the Dallas area.

If you think 23 gallons is bad, check out the H3's big brother, the H2 with a 6.2-liter V-8, which has a 32-gallon tank. Then there's the discontinued H1 with the 6.6-liter diesel engine, which had a 28.5-gallon main tank and a 24-gallon auxiliary tank.