A road-legal, extensively modified 1989 AM General M998 HMMWV with a diesel V8, measured against the titled Humvee market.

Here’s What You Need to Remember: Just like the World War II-era jeep, the 4-ton Humvee – first introduced in the 1980s – has become an icon. There are 300,000 Humvees operated by the U.S. military ...