The Mahindra Thar ROXX features a 57-litre fuel tank. On petrol versions powered by the 2.0-litre turbo-petrol mStallion engine, it claims an ARAI-certified mileage of 12.4 kmpl. The Thar ROXX diesel variants are powered by a 2.2-litre diesel mHawk engine that offers 15.4 kmpl. All aforementioned mileage figures are ARAI-certified. Real-world fuel economy figures are expected to vary according to road conditions, traffic, and driving style. For daily users, the diesel variant offers a practical balance of efficiency and performance, while enthusiasts seeking maximum power will find the petrol version more appealing.
| Fuel Type | Transmission | ARAI Mileage |
|---|---|---|
| Petrol | Manual | 12.4 kmpl |
| Diesel | Manual | 15.2 kmpl |
| Petrol | Automatic | 12.4 kmpl |
| Diesel | Automatic | 15.2 kmpl |
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