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17 September 2026 · SunnVio

Comparing Rental Cars: What Should You Look For?

When renting a car for your holiday, you'll often notice big price differences between providers. But comparing wisely goes beyond just looking at the lowest daily rate. In this article, you'll learn what to pay attention to in order to avoid surprises later on.

Why prices vary so much

When you place different providers side by side, you'll notice that prices for the same car during the same period can vary significantly. This is because rental companies set their own rates, terms, and additional costs. A low daily rate therefore doesn't tell you much about what you'll ultimately pay or what is and isn't included. That's why it's wise not to choose based on price alone, but to also review each provider's terms and conditions.

Look at the total price, not the daily rate

A daily rate is a starting point, not a final amount. When comparing, always look at the total cost for the entire rental period, including any mandatory fees such as airport surcharges or service charges. Some providers advertise an attractive daily rate but only add extras later. By comparing total prices, you avoid unpleasant surprises down the line.

Mileage limits: unlimited or capped?

Not every rental agreement includes unlimited mileage. Some providers set a maximum number of kilometers per day or for the entire rental period, after which you pay extra per additional kilometer. If you're planning a long road trip, it's important to check this in advance. If you're unsure how far you'll be driving, it's best to choose a rental car with unlimited mileage so you don't end up with unexpected costs afterward.

Pick-up location: airport or city

Where you pick up the car affects both convenience and price. An airport desk is often practical since you can leave right after arrival, but it can be more expensive than a location in the city. If you choose a city location, factor in extra travel time and possibly transportation to get there. So compare not only prices, but also the accessibility and opening hours of the pick-up location.

Cancellation and changes: how flexible is your booking?

Travel plans can change, so it's wise to know in advance how flexible your booking is. Some rates are cheaper but offer little to no option for free cancellation or changes, while other rates are slightly more expensive but offer more flexibility. Always read the cancellation terms carefully before booking, especially if you're not yet fully certain of your travel dates.

The deposit: what you need to know

When picking up your rental car, a deposit (or security deposit) is almost always held on your payment card. This amount varies by provider, car type, and country, and is released again after a damage-free return. Keep in mind that this amount will temporarily be unavailable on your card, and check with the provider which type of payment card is accepted for this.

Reviews and the reliability of the rental company

Besides price and terms, it's valuable to look at other renters' experiences. Reviews often give a good picture of how smoothly pick-up and drop-off go, how damage claims are handled, and how customer service responds to problems. A provider with mostly positive reviews offers more peace of mind than a low price alone.

How to compare smartly with SunnVio

By placing multiple providers side by side, you quickly gain insight into differences in price, terms, and availability. Take the time to look beyond the daily rate and also consider mileage limits, pick-up location, cancellation terms, and the deposit in your decision. This way, you'll choose a rental car that suits your trip, without facing unexpected costs or restrictions afterward.