More accurately it's based on the SEAT Ateca and Skoda Karoq which came out in Europe in 2016. They are literally the same vehicle with some different interior bits and exterior styling. The Tharu is the same in that regard, VAG just didn't sell a VW variant of this model in Europe. The only thing that is brand new (besides the name) is we have a new variant of the 1.5. Europe had the "old" (2016) EA211 Evo. We have the EA211 Evo Gen2. The EU 1.5T was available in 2 variants, 96KW with the Variable geometry turbo and plasma coated cylinder walls, and a 110KW version which had regular cast iron cylinder liners and a non-VGT turbo.
The Taos is the first vehicle to use a new higher powered version of the 96KW Ea211 EVO. Ours is 118KW and also has the VGT and APS coated cylinders. Other than that, pretty much everything else is standard MQB A1 fare as the T-Cross and T-Roc, and various Skoda and SEAT models. Again if you want to know how reliability is working out, check out the Skoda Karoq and SEAT Ateca.