Autocar India
15h

I'm planning to buy a new 7-seater manual with a budget of around Rs 18 lakh. My current preference order is: Tata Safari Petrol, Mahindra XUV 7XO, Mahindra Scorpio N, and Kia Carens Clavis. My annual running will be around 12,000km, mostly on highways, but the car may remain parked for 3-6 months at a time. I plan to keep it for at least 7-8 years. My biggest dilemma is petrol vs diesel. Petrol is my first preference because of my relatively low running and the long periods when the car will be parked, but I'm concerned about E20 ethanol-blended fuel. On the other hand, these are large and heavy vehicles, so fuel efficiency is also important. I'm considering diesel for its better mileage, but I'm worried about the long-term reliability of the DPF and DEF systems if the car remains unused for several months. What would you recommend?

Verified
11m
Although your annual running of around 12,000km sits on the fence between petrol and diesel, your usage pattern is predominantly highway, which plays to a diesel's strengths. The concern about DPF is understandable, but it's often overstated. DPF issues are far more common in vehicles used almost exclusively for short city trips. Since your driving is mainly on highways, the system will get the opportunity to regenerate properly. As for the car remaining parked for 3-6 months, that's not ideal for either fuel type. Diesel cars require some precautions, such as keeping the tank full and using fresh DEF when the car is put back into regular use. Still, long periods of inactivity are not a reason to avoid diesel altogether.
We wouldn't let E20 fuel influence your decision either. Modern E20-compliant engines are designed to run on it, and there is no official roadmap beyond E20. While ethanol can marginally reduce fuel efficiency, it is not a reason to avoid buying a petrol car today.
Among your shortlist, we'd place the Mahindra XUV 7XO ahead of the others. It is the most rounded package, offering excellent space, comfort, safety and highway ability.
Mahindra XUV 7XO

Mahindra XUV 7XO

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1d

I currently own a 2021 Hyundai Creta Diesel, which has covered nearly 2 lakh km without any major issues. I am now planning to buy a new diesel car/SUV with a budget of around Rs. 18 lakh (ex-showroom). My usage is primarily long-distance highway driving. I have shortlisted the Mahindra XUV 7XO, Tata Sierra, Tata Harrier, Kia Seltos, and Hyundai Creta. Considering the current market and long-term ownership, which one would you recommend?

Verified
20h

For your usage, the Mahindra XUV 7XO diesel is the best fit. You are doing very high mileage with long highway runs, so diesel efficiency and strong performance are the priorities. This Mahindra car is one of the most refined and powerful diesel SUVs in this price range, and it is also a very comfortable long-distance car with a spacious cabin - including a third row of seats - and a strong feature set. The Tata Harrier is also a good highway car with a strong diesel engine and a comfortable ride, but the 7XO is a more refined and better-rounded package overall. However, both these are in a higher segment, which means your budget will only get you a low- to mid-range variant. In the segment below, the Tata Sierra diesel is a newer product and looks very promising, but its diesel engine doesn't feel particularly strong considering its size and weight. The Hyundai Creta is just a facelifted version of your current car and hence won't feel as new, while the Seltos, though new and larger, uses the same engine as your Creta, and like the Sierra, doesn't feel as powerful given the SUV's size. Overall, the 7XO feels like the more premium and more complete product for your usage, but if you're not happy with the features on offer in your budget, try the Seltos instead.

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1d

Hi Autocar, I am currently using a 2019 Mahindra XUV300 diesel, and I have driven 2,50,000km so far. We are now planning to buy an EV. My daily usage would be around 100km (if I use city roads), 200km (if highway). We also go on a 3,000km road trip across South India every quarter, and once every year we drive 6,000- 7,000 km to North India. I am from Hyderabad, and I am considering the Tata Harrier EV, Tata Sierra EV and Mahindra XEV 9S. Please suggest whether an EV will really work for me. If yes, which one should I choose? If not, which car would suit my usage better? Thanks.

Verified
23h

Given your usage pattern, an electric car is not the right choice for you. Your daily running of 100- 200 km is well within the comfort zone of modern EVs, but your quarterly 3,000km South India road trips and annual 6,000- 7,000 km North India trips are the deciding factor. While the charging infrastructure has improved significantly, long-distance EV touring in India still requires careful planning, and charging stops can add considerable time to your journey. The Harrier EV, Sierra EV and 9S are all capable EVs, but none of them can match the convenience and flexibility of a diesel SUV on long, cross-country trips.Given your experience with the XUV300 diesel and your high annual mileage, the Mahindra XUV 7XO diesel is the most sensible upgrade. It offers strong performance, excellent highway stability and a proven diesel powertrain that is well-suited to long-distance touring. If you want a more premium and comfortable experience, the Tata Harrier diesel is also a strong contender, with a spacious, refined cabin and a comfortable ride. Both cars will give you the range, flexibility and peace of mind you need for your long road trips, without the compromises of charging infrastructure.

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Posted on: 23 Jul 2026