Autocar India
KD

kirit das

9w

I am considering purchasing the Mahindra Thar Roxx and am evaluating the automatic transmission option. I have come across information stating that while the ARAI‑certified mileage for both manual and automatic variants is the same, the real‑world mileage of the automatic variant tends to be slightly lower. Since my daily usage is around 30 km with occasional long trips, I want to understand the practical difference in fuel efficiency before making a final decision. Could you please share the approximate real‑world mileage figures for both the petrol and diesel automatic variants? This will help me make an informed choice.

Autocar India team

Autocar India

Verified
8w
We have not yet tested the Mahindra Thar Roxx for real-world fuel efficiency. However, based on our experience with the three-door Thar, which uses the same engines albeit in a lower state of tune, we can offer a realistic estimate.
For the petrol manual, expect city efficiency to be in the region of 8 to 9 kpl and around 10 to 11 kpl on the highway. With the petrol automatic torque converter, efficiency is likely to drop to around 7 kpl in the city and close to 9 kpl on the highway.
The diesel manual should return around 11 kpl in city driving and roughly a kilometre per litre more on the highway. The diesel automatic is expected to deliver about 9 to 10 kpl in the city and close to 11 kpl on the highway.
Considering your daily usage is limited to around 30 km with only occasional long trips, we would recommend the petrol variant. It offers greater peace of mind, especially given that you live in Delhi, where regulations around diesel vehicles continue to evolve. With predominantly city usage, there is also a higher risk of DPF-related issues with the diesel engine.
Mahindra Thar Roxx

Mahindra Thar Roxx

TE

Tej

8w

I have Thar Roxx disel manual version, which gives me city 15 Kpl and outside 18 kpl, it’s all about how do we drive. This is my last 4 months experience.

KD

Kirit Das

8w

Many Thanks.

More questions on similar cars

AG

Abhishek Ghorpade

4d

Hi, I am planning to buy a new car and am confused between the Kia Seltos HTK (O) petrol IVT and the Mahindra Thar Roxx MX3. Feature-wise, I find the Seltos more appealing, while the Thar Roxx seems to have a stronger engine. My monthly running is not more than 800 km. Could you please suggest which would be a better choice in terms of maintenance, fuel efficiency, and overall ownership experience?

Autocar India team

Autocar India

Verified
3d

If you are choosing between the Kia Seltos HTK(O) Petrol IVT and the Mahindra Thar Roxx MX3 petrol, this really comes down to what you want your car to feel like in everyday life. The Seltos is the more sensible choice with a smooth automatic that is effortless in traffic, better suited to your kind of usage and far easier to live with daily, while also offering a more comfortable and premium cabin experience. The Thar Roxx, on the other hand, is all about character with its strong petrol engine, big road presence and that sense of occasion every time you drive it, but it is still a heavier, more lifestyle-oriented SUV that is not as convenient for daily city use.So the choice is quite simple in nature. If you want something that quietly does everything well and keeps life easy, the Seltos will feel like the right fit. If you want something that feels special and makes every drive more memorable, the Thar Roxx will appeal more.

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Mahaveer

15h

Is there any better car than the Innova Crysta and Innova Hycross? Which one is better between the two considering my usage is 2,500–3,000 km per month for city and highway driving.

Autocar India team

Autocar India

Verified
19m

With 2,500-3,000 km a month split between city and highway, the Toyota Innova HyCross Hybrid VX is the stronger fit for you. It is easier to live with every day because it is automatic and it is quieter as well as smoother in traffic, and the hybrid is very fuel efficient in city use. On long runs it cruises calmly, the seats are comfortable and supportive. Cabin of this Toyota car is spacious that can comfortably accommodate your family.The Toyota Innova Crysta still has two clear strengths. If you often carry seven adults plus luggage, or drive on rough roads a lot, the Crysta’s diesel engine feels more relaxed with a full load and the body-on-frame feels very tough. However, it is now only available with a manual gearbox, so driving in stop-start city traffic can get tiring. Trade-offs with the HyCross: the hybrid costs more upfront than a Crysta.

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sudip

7h

I am planning to buy either the Tata Sierra or the Kia Seltos turbo-petrol automatic. My usage will be 90% in Bengaluru city traffic, with occasional highway drives. Hence, I am not sure if the Seltos DCT gearbox would become problematic after a few years due to heavy traffic. Would the Sierra’s torque converter be more reliable and a better choice in these conditions?

Autocar India team

Autocar India

Verified
49m

Go for the Tata Sierra torque converter. The key difference lies in how these gearboxes behave in the real-world conditions. The Seltos turbo-petrol DCT is quick and exciting, but in slow, crawling traffic, it can feel hesitant and slightly jerky, as it constantly works the clutch. This is not ideal for long-term ease in heavy city conditions. The Sierra’s torque converter is the opposite. This Tata car is smoother at low speeds, more forgiving in stop-go traffic, and generally better suited to this kind of usage, making daily driving far less tiring.There is a trade-off, though. Torque converter automatics are typically less fuel efficient than DCTs, and in a large, heavy car like the Sierra, you will notice this in real-world mileage. So, you are essentially choosing smoothness and durability over outright efficiency.

VehicleTata Sierra
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Posted on: 18 Feb 2026