In Portugal you drive on the right side. Most cars have manual transmission (stick).
Unless otherwise posted, the speed limits for cars and motorcycles are as follows: 120 km/h (74 mph) on motorways, 120 km/h (74 mph) on expressways, 50 km/h (31 mph) in all built-up areas and 90-100 km/h (55-62 mph) on undivided highways.
An International Driving Permit (IDP) is required alongside your original license. IDP can be issued by your local automobile association before you leave home.
In order to rent a car: