In this economy, where fuel costs keep soaring, fuel efficiency is more crucial than ever. That is why we will take 5 of the most popular SUVs for a drive and thoroughly compare their efficiency figures.
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Mahindra Thar Roxx – SUVs With Best Mileage

You might be surprised to see the Thar Roxx in mileage lists, but its diesel powertrain is quite efficient, especially on highways. The petrol engine may be a fuel-guzzler, but you could simply opt for a diesel manual variant for less than Rs 20 lakh (on-road, Mumbai).
| Mahindra Thar Roxx | City (km/l) | Highway (km/l) | Average (km/l) |
| 2.0 Petrol Manual | 7 | 12 | 9 |
| 2.0 Petrol Auto | 6 | 11 | 8 |
| 2.2 Diesel Manual | 13 | 18 | 15 |
Also Read: This Mahindra SUV To Give 30Kmpl Mileage!
Kia Seltos


The Seltos offers a plethora of powertrains under Rs 20 lakh, and most deliver decent fuel economy. As expected, the turbo-petrol has the worst mileage, with the diesel offering the best.
| Kia Seltos | City (km/l) | Highway (km/l) | Average (km/l) |
| 1.5 Petrol Manual | 12 | 17 | 15 |
| 1.5 Petrol IVT | 13 | 17 | 15 |
| 1.5 Diesel iMT | 15 | 19 | 17 |
| 1.5 Diesel AT | 13 | 16 | 14 |
| 1.5 Turbo iMT | 12 | 16 | 14 |
| 1.5 Turbo DCT | 11 | 15 | 13 |
Also Read: Best Mileage Cars Under Rs 7 Lakh!
Hyundai Creta – SUVs With Best Mileage


While the Creta shares its engine and gearbox with the Kia Seltos, the Creta offers only 3 powertrains for less than Rs 20 lakh. Nonetheless, all these powertrains offer decent efficiency.
| Hyundai Creta | City (km/l) | Highway (km/l) | Average (km/l) |
| 1.5 Petrol Manual | 12 | 17 | 15 |
| 1.5 Petrol IVT | 13 | 17 | 15 |
| 1.5 Diesel Manual | 15 | 19 | 17 |
Also Read: Hyundai Creta Real-World Mileage Tested – Here’s The Result!
Tata Curvv


The Curvv represents Tata in these mid-size SUV tests. Thanks to its smaller engine and lower weight, the Curvv outperforms the Sierra in mileage. You can make your pick from multiple powertrains for less than Rs 20 lakh, with each offering considerable figures.
| Tata Curvv | City (km/l) | Highway (km/l) | Average (km/l) |
| 1.2 Revotron Manual | 12 | 18 | 15 |
| 1.2 Revotron DCA | 11 | 17 | 14 |
| 1.2 Hyperion Manual | 12 | 18 | 15 |
| 1.2 Hyperion DCA | 11 | 17 | 14 |
| 1.5 Kryojet manual | 15 | 19 | 17 |
| 1.5 Kryojet DCA | 14 | 18 | 16 |
Also Read: Renault Duster vs Tata Sierra – Mileage Compared
Maruti Grand Vitara – SUVs With Best Mileage


It is quite predictable to see a Maruti on top of such lists. The Grand Vitara hybrid is the most fuel-efficient SUV you can buy for less than Rs 20 lakh. The Grand Vitara, Hyryder and Victoris offer identical mileage figures. While the Grand Vitara, Victoris, and Hyryder share the same powertrains, only the Victoris and Grand Vitara offer hybrid options under Rs 20 lakh.
| Maruti Grand Vitara | City (km/l) | Highway (km/l) | Average (km/l) |
| 1.5 Manual | 14 | 18 | 16 |
| 1.5 Automatic | 13.5 | 17 | 15 |
| 1.5 Hybrid | 25 | 21 | 23 |
Also Read: SUV With Better Mileage Than Maruti?