Looking for a size-friendly car? Sit down! You can’t judge the roominess of a car from the outside. You need to sit in the car and drive it. That’s the only way you can see if there is enough tummy room under the steering wheel, enough (or too much!) legroom and if there is enough head room for all passengers.
The consensus on cars is: there is no consensus on cars. Everyone is shaped slightly differently, and what one large person loves, another large person hates. That said, here are some guidelines on buying a plus size car.
Test drive everything you can lay your hands on. Avoid preconceptions — check out all the cars in your price range. Once you find a car you think you like, try to rent it for a week or so. You learn much more about a car when you spend some time with it.