They are four wheel drive. They make both four wheel drive and two wheel drive models. The two wheel drives are popular with the go fast crowd. They can hit about 65 miles an hour, off road. We made a DVD last week, for marketing, with this professional company, and routinely and easily got this machine 12 feet off of the ground. When this endeavor began, I was more skeptical of these things than any, and I am sold now. We have companies wanting to sell these things everywhere, and lots of investment companies loaning money to the project. They are cool. Seriously, if any of you are near Colorado and have some time to kill, get ahold of me and we can go play on one.