The Vauxhall Grandland and the Vauxhall Crossland are both SUVs, but they differ in a few key ways. Firstly, the Grandland is larger than the Crossland, both in terms of exterior dimensions and interior space. The Grandland has more legroom, headroom and cargo capacity than the Crossland. Secondly, the Grandland is generally more powerful and better suited for long distance driving than the Crossland. Overall, the Vauxhall Grandland is a better choice for families or individuals who need more space, power, and features, while the Crossland may be a more budget-friendly option for those who prioritise fuel efficiency.