Which Rental Cars Use the Least Fuel in Dubai? (Real Running Costs)

Over a week of city driving, about 350 km, the AED 75 Nissan Sunny burns roughly AED 74 of petrol and the AED 98 MG3 about AED 78. The MG3 costs AED 161 more to rent for the week and saves nothing at the pump. So at the bottom of the fleet the daily rate decides, and the most fuel-efficient rental car in Dubai is also one of the cheapest to hire. The gap only opens higher up, where two SUVs at similar rates can sit AED 8 apart on every 100 km. The table below does that sum for the whole fleet. It puts the official consumption figure, the cost per 100 km at this month's petrol price and the daily rate side by side. You end up comparing the running cost rather than the headline number.

Fuel cost per 100 km, car by car

Special 95 is AED 3.69 a litre for September 2026, set nationally and reported in the Gulf News announcement of September 2026 fuel prices. It changes on the first of each month, and our post on UAE petrol prices tracks it, so the dirham column here is a September figure.

The consumption column is the manufacturer's official combined figure, taken from the UAE spec sheet or the certification cycle the car was rated on. Treat it as the floor. In a Dubai summer with the air conditioning working hard, or on the E11 at 140, expect 15 to 30 percent more than the number on the sheet. Where the published figures disagree with each other I've given the range rather than pick one. And every litre here is yours to pay, because you return the car at the level it came. That's the same-to-same fuel rule, which also covers the kilometre allowance.

Rates are the listings as of 6 September 2026 and move with the season. The Mustang and Tahoe figures are EPA combined ratings, since neither has a UAE-published figure. The Tesla lines are WLTP consumption priced at DEWA's public charger tariff, which comes up again below.

Three things in that table are worth a second look. The Attrage wins outright, a three-cylinder 1.2 in a light body, and nothing else with a petrol engine gets under 5.5. From the Sunny down to the Coolray the spread is AED 3 per 100 km, less than a coffee. Within that group you pick on space and age rather than fuel. And the Tahoe is the only real outlier. It drinks nearly three Attrages' worth, and at 300 km a day the fuel alone runs to AED 150 or more before the summer uplift. The MG3 at AED 98 buys you a 2024 car with 300 km a day rather than the Sunny's 250. That's a fair reason to pay the extra AED 23. Fuel isn't.

What the Dubai to Abu Dhabi run costs in fuel

Downtown to the Corniche is about 140 km each way, nearly all of it on the E11 at 120 to 140. Three cars from the table, first at the official figure and then with a quarter added. That quarter is the honest allowance for a summer run with the air conditioning on and the cruise set high.

So a family in the Coolray pays about AED 22 more than the Attrage for the day out. The Tahoe spends more on fuel in one round trip than the Attrage costs to rent for two days. Add the tolls before you decide anything on those numbers, though. You'll pass two or three Salik gates each way depending on where you join Sheikh Zayed Road. At AED 4.20 off-peak and AED 6.30 at peak with VAT, the gates add AED 17 to 38 to the round trip. Between the two small cars the toll bill is bigger than the fuel gap. Timing, the Abu Dhabi side of the tolls and where to park are in the Dubai to Abu Dhabi drive guide.

What pushes consumption up here

The spec-sheet figure assumes a lab cycle at a mild temperature. Four things move it in Dubai, roughly in order of how much they cost you.

The air conditioning is the big one from May to October. At 45 degrees the compressor runs flat out. On a 1.2 or 1.5 that's easily an extra litre per 100 km in traffic, because the compressor is a real share of a small engine's output. Pre-cooling with the windows down for the first minute helps more than any setting on the dial.

Speed on the E11 is next. Drag rises with the square of speed. Holding 140 rather than 120 on the Abu Dhabi stretch costs 15 to 20 percent more fuel and saves about ten minutes. The turbo cars feel this most, since the turbo does its heaviest work exactly there.

Stop-start traffic on Sheikh Zayed Road between four and eight in the evening, or anywhere in Deira, is where the "city" figure on the spec sheet stops meaning anything. That figure assumes moving traffic. A crawl with the AC on can double a small engine's city consumption. It's why a week of Marina to DIFC commuting in a Sunny burns more than the same distance to Hatta and back.

Tyre pressure is the one nobody checks. Heat pushes pressure up during the day, so check it cold, first thing in the morning, against the sticker in the driver's door. Rental cars are often a few psi low, and every few psi is a percent or two of fuel. If you've strapped a bike or a roof box on, count on another 10 to 20 percent at highway speed.

Does the Tesla beat petrol on running cost?

Per kilometre, yes, on any charger. The Model 3 at 13.2 kWh per 100 km costs about AED 9.70 per 100 km on a DEWA public AC charger, priced at AED 0.70 per kWh plus VAT. On a DC fast charger at AED 1.20 plus VAT it's about AED 16.60. Even the fast charger roughly matches the Attrage, and the slow one halves it. The Model Y runs 15.5 kWh on paper, so AED 11 to 20. Summer air conditioning pushes an EV's consumption up just as it does a petrol car's. For either Tesla, 17 to 20 kWh per 100 km is a normal August figure.

On the whole bill, no, not against the small cars. The Model 3 lists at AED 330 a day against AED 76 for the Attrage. You'd pay AED 254 more in rent to save AED 8 to 25 in energy. The Tesla wins against the cars it really replaces. Take the Mustang, at AED 417 and AED 33 to 36 per 100 km. A Model 3 driven the full 300 km allowance is about AED 87 a day cheaper to rent and AED 70 to 80 a day cheaper to run. The catch is where you plug in, since a hotel car park with no charger turns the plan into daily trips to a DEWA point. How long that takes and what a rental Tesla comes with is in our post on charging a rental Tesla. We don't list a hybrid, so the Tesla is the only electric comparison on the fleet.

The verdict

For pure economy, the Attrage. AED 76 a day, 4.8 L per 100 km, 300 km a day included, and no other petrol car on the fleet comes within half a litre of it. If the 2023 Attrage is out for your dates, the Sunny is AED 1 a day cheaper and AED 3 per 100 km dearer to run. It carries 250 km a day instead of 300. Both are the right answer to cheapest car to rent in Dubai, and the choice between them is availability, not fuel.

The MG3 is the pick if you want a 2024 car with the bigger allowance and you've accepted the AED 23 a day is for the newer car. Its fuel bill is the Sunny's.

For a family, the Coolray at AED 109. Five seats, a boot that takes a week of luggage, and 6.5 L per 100 km. That's AED 6 more per 100 km than the Attrage and AED 18 more on the longest day the allowance permits. The Exeed LX is the bigger car for AED 12 more a day, but it hands that back in fuel every 400 km. Only take it if you need the room.

And the Tesla only if you'd have rented in the AED 300 to 400 bracket anyway, and you can charge on AC overnight where you're staying. Fuel is one input into the wider decision, and the full picture, from seats to Salik to the excess, is in our guide to which car to rent.