Yes, There's Actually A Reason Jeeps Have Spare Tires On The Back

If you picture a rugged SUV, there's a good chance you also picture a big spare wheel hanging off its back. It's a familiar sight on vehicles such as the Jeep Wrangler, Mercedes-Benz G-Class, and some versions of the Land Rover Defender, and for decades it has been closely associated with serious off-roaders.

But that spare wheel is not there just to make an SUV look tougher.