Out of all the popular cities in Norway, Bergen is the cheapest city to hire a car in at just £23/day. Renting a car in Bergen is 63% cheaper than renting one in Narvik where the per day rate is around £61. Other fairly inexpensive cities in Norway to get a car hire in are: Oslo (£29/day), Kristiansand (£32/day), and Trondheim (£32/day). While these cities typically have cheaper prices than the rest of the country, travellers looking to hire a car in Oslo should expect to spend around £29/day on their transportation. The most popular city to rent a car in Norway is Oslo.