The Lunar Rover was a battery-powered two person vehicle used on the Moon for a number of missions during the era of the Apollo program. While planet bound humans driving flat-6 powered Corvairs back on planet earth, astronauts were plodding around at a few miles per hour -- probably faster than a powerglide equipped 'Vair. In retrospect, the Lunar Rover was a terrible vehicle for celestial exploration, because a range of 15 miles and top speed of around 5mph is no way to cruise on a giant ball of cheese. If launch weight was not an issue -- what vehicle would you use for extraterrestrial exploration?
I think this awesome 1986 Suzuki Samurai found here on eBay with 1 day to go would be perfect for exploring the canyons on Uranus, but what would you use? No budget, no launch weight limitations.