Cheapest Nikon video DSLR with non-VR zoom, first entry-level 1080p Nikon at essentially zero used cost.
The Nikon D3100 with AF-S DX 18-55mm (non-VR) is a variant using the non-stabilised version of the kit zoom. The D3100 body provides 14.2MP, 1080p video, and Guide Mode — Nikon's first entry DSLR with HD video capability.
The AF-S 18-55mm without VR provides autofocus via the silent wave motor but lacks optical stabilisation. The D3100 was the first Nikon entry DSLR with Full HD 1080p video, and the Guide Mode teaches photography fundamentals interactively.
Build quality is entry Nikon with compact dimensions. The non-VR lens reduces the kit cost but limits handheld capability in low light compared to the VR alternative.
The D3100 with non-VR zoom offers the cheapest Nikon DSLR with video on the used market. The missing VR is a compromise, but the body's video capability and Guide Mode remain valuable at essentially zero cost.