Opel Blitz is a German Transport unit. It is the standard and cost-free means of transport of getting German infantry on the battlefield. If fired upon by enemy fire (even small arms fire) for a small duration, the Opel Blitz will permanently disappear and the transported unit will be forced to dismount. If it is struck by an anti-tank gun or something else powerful, the unit inside can instantly die.
A reliable three ton truck manufactured by Opel, the Blitz 3.6 became the symbol of German logistics throughout the Great War, manufactured in a number of variants, from the standard transport version to the four-wheel drive Blitz A. It also served as the basis for the Maultier all-terrain transport vehicle, capable of negotiating the challenging terrain of the Soviet Union's western republics.
Bulk of Panzergrenadier formations were motorized with usually one Battalion equipped with Sd.Kfz. 251 series except for 21. Panzer's Panzergrenadier Regiments who were equipped with french vehicles.
3. Fallschirmjäger had issues with motorized transportation with only 40% of its authorized vehicles. So only a Battalion of each Fallschirmjäger regiment were able to get motorized transport along with a third of other component of the division.
716. Infanterie had minimal transportation like all 15. Welle divisions. The Grenadier Regiment's Anti-tank company lacking towing vehicles for example. 16. Luftwaffe had only 50% of the motorized component.
The Blitz is much like the unarmed, lightweight vehicles of the Allies and other Axis factions, a temporary means of transportation for infantry, artillery, and anti-tank units: A single-use vehicle to get your units where you need them. Keep them out of enemy lines of fire, as they are very vulnerable to incoming fire.