The Volkswagen Touareg was the first SUV to have a Volkswagen badge on it. The Touareg was initially popular with consumers. The V8 engine was smooth and the styling was upmarket. But as was the case with most older VM models, the reliability of the Touareg was questionable. Repair costs for the Touareg were expensive and parts were hard to come by (via Hot Cars).
The Touareg was a successful model for Volkswagen and it was a great SUV. But the used examples are prone to issues that can be costly. There were far better SUV options from this era that offered a more reliable product. The Volkswagen Touareg was an SUV that is better left alone as its problems were too frequent.