Firstly, the Nissan Qashqai is slightly larger than the Suzuki Vitara in terms of length, width, and height, which results in a more spacious cabin and cargo area. The Qashqai can comfortably seat five adults and has a larger boot capacity of 430 litres compared to the Vitara's 375 litres. However, the Suzuki Vitara is generally more affordable than the Nissan Qashqai, with a lower starting price and lower running costs. Also, the Vitara's engines are known for their fuel efficiency and decent performance.