Senna and Previa are both mpv models owned by Toyota, but these two cars are completely different. Senna and Previa have different body sizes, different prices, different power systems, and different exterior and interior designs. The details are as follows: 1, Senna uses two engines, one is a 2.7-liter naturally aspirated engine and the other is a 3.5-liter naturally aspirated engine. Senna has two-wheel drive models and four-wheel drive models. 2. Previa also uses two engines, one is a 2.4-liter naturally aspirated engine and the other is a 3.5-liter naturally aspirated engine. 3. Previa models are all front-wheel models. 4. The interior space of Previa is smaller in Buseine, and the ride comfort of Senna is better.