SUV :- Stands for "Sports Utility Vehicle".. have great power and basically used for offroading.
Roadster :- A Roadster is a car with no roof and only two seats... best for driving with girlfriend.
Sedan :- A Sedan is a car with seats for four or more people, a fixed roof.. and a boot(trunk) that is seperate from the part of the car that you sit in.
Coupe :- A Coupe is a car with a fixed roof, a sloping back, two doors and seats for four people.
Hatchback :- A Hatchback is a car with an extra door at the back which opens upwards.