I am planning a visit to Iceland in early May, when the road conditions should be okay on the main roads. I am planning on just driving the Golden Circle and Southern Iceland to Vik and back as two separate day-trips from Reykjavik.
On car rental sites such as AutoEurope, the cheapest category of rental is the "mini" class (not to be confused with the Mini brand of cars). However, AutoEurope describes the "mini" class as "Small economical cars suitable for the city and short trips". Some cars in the "Mini" category include the Hyundai I10 or the Ford Ka.
I am wondering if the "Mini" category of car is sufficient for the two aforementioned day-trips. The worst case I want to avoid is running out of fuel halfway...
Edit: Well, at least for the Hyundai I10, according to this webpage, it has a fuel economy of 50ish miles per (imperial, not US) gallon (thanks Jim) (18 km/litre; 6 litre/100 km), but doesn't say what the capacity of the fuel tank is...