TL;DR
When you rent a car, the category matters more than the brand: a compact sedan handles 80% of urban-interurban trips, an all-wheel-drive SUV only makes sense if you are actually going up the mountains in winter, and a premium class vehicle only adds real costs if you need trunk space or comfort for long distances. Choose based on the number of passengers, the road type, and the duration of the trip β not by which brand seems more familiar to you.
I have been delivering rental cars to the airport for years. I know what the face of a customer who chose the wrong category looks like: the luggage doesn't fit, the fuel consumption surprises them at the pump, or, conversely, they pay for a 7-seater SUV when traveling alone for 200 kilometers. This guide exists exactly for this situation.
Why the category beats the brand in car rentals
When you go on a rent-a-car website, the first impulse is to look for a brand. BMW, Skoda, Toyota β familiar names that seem to be an indicator of quality. In reality, at most major car rental companies, the fleet is managed by categories with a clause that you will find in almost any contract: "or similar vehicle". This means you book a Golf and receive anything else from the compact class β perhaps a model you didn't choose, with different features, sometimes even with a smaller trunk than you expected.
At Rent'n Go we operate differently: you receive exactly the car you booked, with real photos of the vehicle from the fleet available before confirmation. No surprises at pickup. That is precisely why, in this guide, we talk about both the category and the model β because with us, the two are the same thing.
What matters in the choice remains the category of use: the size, trunk capacity, traction, average fuel consumption, and compatibility with the type of road you have to travel. But when you know you get exactly what you see in the picture, the decision becomes simpler and clearer.
The main rental car categories and who they are suitable for
1. Mini and city car (e.g., Hyundai I20, Ford Fiesta, Volkswagen Polo)
Ideal for: urban trips, short distances, one or two people without bulky luggage.
Typical trunk: 280β320 liters. Average fuel consumption: 5β6 liters/100 km for current engines. Excellent maneuverability in dense traffic, easy parking.
What you don't know if you haven't tested it: at sustained highway speed (130 km/h), small 1.0β1.2 liter turbo engines work almost at maximum capacity. Fuel consumption jumps to 7β8 liters, the economic advantage disappears, and engine noise becomes tiring on distances longer than 3β4 hours. I explicitly recommend them only for city breaks or airportβhotel transfers.
2. Compacts (e.g., Skoda Rapid, Renault Megane, Seat Arona)
Ideal for: couples, small families with one child, medium and long distances, urban-interurban combination.
Trunk: 380β560 liters. Efficient engines, realistic fuel consumption of 5β6 liters/100 km on the highway.
This is the category with the best utility/cost ratio in any rental fleet. From my experience, about 60% of bookings at a medium airport are compacts or medium sedans. The Skoda Rapid, for example, has the trunk of a higher-class car β 550 liters β at the price of a compact.
Expert nuance: when you choose a compact, check if the engine is gasoline or diesel. On highway routes over 400 km, diesel makes a significant difference in range and total fuel cost, especially in the context of current prices per liter.
3. Business/Family (e.g., Skoda Octavia, Ford Kuga, BMW X1)
Ideal for: families with children, transporting bulky luggage, mountain roads, moderate off-road terrain in winter.
Trunk: 400β600 liters in standard configuration. Ground clearance: 14β22 cm.
The frequent error I see: people book an SUV because it "looks safer". Active safety β ABS, ESP systems, automatic emergency braking β is similar across all categories in modern fleets. An SUV without all-wheel drive (meaning 2WD front) does not perform better than a compact sedan on packed snow. 4Γ4 or AWD traction matters, not the height of the car.
If you are planning a mountain route in winter β TransfΔgΔrΔΘan, Transalpina, or forest roads β specify explicitly during booking that you need a 4Γ4, not just an SUV.
4. Premium class and large sedan (e.g., Mercedes E Class, Mercedes V-class)
Ideal for: business trips, events, weddings, journeys where image and comfort matter, or long distances with multiple passengers.
Relevant features: electrically adjustable seats, premium audio systems, superior sound insulation, trunk 400β630 liters.
Expert perspective: from the premium class up, the difference compared to a compact is no longer the trunk or fuel consumption β it's the noise level on board, the suspension quality on degraded roads, and the driver's fatigue-free range. On an 800 km round trip, the difference in comfort is truly felt. On a 150 km round trip to the mountains, it is not.
The extra cost compared to a compact can be 40β70% per day. Calculate whether your use case justifies this difference.
Decision parameters: how to choose the category in 5 steps
1. Number of passengers and luggage Calculate the real volume: one checked bag = ~70β90 liters, one large backpack = 30β40 liters. Compare with the category's trunk.
2. Road type Urban and good asphalt β any category. Mountain roads in winter β 4Γ4 mandatory. Forest roads or off-road β not for a standard rental car.
3. Total distance Under 200 km β efficiency doesn't matter much. Over 400 km β diesel or hybrid engine makes a difference in costs.
4. Rental duration One day β daily rate matters more. Over 5 days β fuel consumption and comfort become equally important factors.
5. Total budget, not the daily rate The daily rate is just one component. Add: estimated fuel, damage deductible (insurance excess), delivery or return fees at another location, airport taxes. Compare the more expensive category vs. the cheapest one based on the total cost of the period.
The mistakes I see most often
"I'll take an SUV because it's safer on the highway." Passive safety (impact structure) is comparable across all modern fleets. Active safety depends on features, not category. A Golf with a full safety package is better equipped than an entry-level SUV.
"The cheapest is enough." If the trunk doesn't fit the luggage or the engine doesn't keep up the pace on the highway, the cost in comfort is real, even if it doesn't appear on the invoice.
"I don't need extra insurance." The standard damage deductible (insurance excess) can be between 200 and 800 EUR. Reducing or eliminating this deductible through SCDW makes sense especially for cars in higher classes where even minor repairs are expensive, but also for Economy ones.
See also the Blog: Is SCDW insurance worth it for a rental car? Complete guide for informed customers
Conclusion
Choosing the right rental car category is not a detail β it is the decision that determines whether your experience is comfortable or stressful. You start from real needs: how many of you are there, how much luggage do you have, where are you going, and on what type of road. The brand comes second.
Unlike big chains where the "or similar vehicle" clause can bring unpleasant surprises at pickup, at Rent'n Go you book exactly the car in the picture β what you see is what you get. If you are in Cluj-Napoca or landing at Cluj International Airport, our team helps you identify the right category and model directly at pickup β no queues, no complications. Book online at rngo.ro and indicate your scenario to us.