For this itinerary visiting main roads and in non-winter months, a 2WD car is often sufficient. However, a 4x4 offers more comfort, better grip, and is safer for gravel roads or unexpected weather. It's mandatory for F-roads (highland roads), which are not included in this itinerary but are worth considering for other trips.

Yes, Iceland is known for being one of the more expensive destinations in Europe, especially for accommodation, food, and alcohol. Planning and pre-booking, especially for tours and car rentals, can help manage costs. Buying some groceries for snacks and drinks is also a good budget-saving tip.

Layers are key! Even in summer, weather can change rapidly. Pack waterproof and windproof outer layers, warm base layers, sturdy hiking shoes, hat, gloves, and a swimsuit (for Blue Lagoon/hot springs). Sunglasses and sunscreen are also recommended.

The Northern Lights (Aurora Borealis) are a natural phenomenon and require clear, dark skies and solar activity. They are typically visible from late August to April. This 5-day trip offers a chance, especially if traveling during those months, but sightings are never guaranteed.