The VW Tiguan is slightly smaller than the VW Atlas. The VW Atlas offers a third row as a standard feature, while the VW Tiguan makes it available as an option. Both models come with either FWD or AWD. Both can have upgraded cabins with luxury features. The VW Atlas is the only one of these SUVs with a V6, while the VW Tiguan is the only one of these SUVs to offer a more economical four-cylinder engine.