Revealed: History's Most Expensive Military Vehicles

13. M1097 Avenger – USA

Producer: Humvee Primary user: U.S. Army Vehicle contract: $6.9 million Unit price: $220,000 The M1097 Avenger mounts a self-propelled short-range air-defense system on a high-payload Humvee chassis.

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Powered by a V8 diesel, it guards troops against low-flying aircraft, helicopters, cruise missiles, and drones, proving both rugged and mobile.