AM General HMMWV

The Joint Light Tactical Vehicle (JLTV), manufactured by Oshkosh Defense, has been replacing the HMMWV in frontline U.S. military combat roles since deliveries began around 2019. However, thousands of HMMWVs remain in service with National Guard units, allied militaries, and in support roles where the JLTV's higher cost is not justified.

Most HMMWV variants are powered by a 6.5-liter Detroit Diesel V8 engine, available in both naturally aspirated and turbocharged configurations, producing roughly 150 to 190 horsepower depending on the version. The engine was selected for durability and broad fuel tolerance rather than speed, which is why the vehicle's top speed is only around 65 mph.

Yes, decommissioned HMMWVs can be purchased by civilians through government surplus auction platforms such as GovPlanet, which sells vehicles from the Defense Logistics Agency. Most are sold with an off-road-only title restriction, and on-road registration varies significantly by state, with some states requiring extensive safety modifications.

The civilian Hummer H1, produced by AM General from 1992 to 2006, shares the HMMWV's basic chassis and drivetrain but adds amenities like air conditioning, leather interiors, and sound deadening. The military version is stripped down for combat duty and supports armor kits, weapons mounts, and deep-water fording equipment not available on civilian models.