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I am planning to buy a sub-4-metre SUV and have shortlisted the Mahindra XUV 3XO and Hyundai Venue. My main requirement is good rear-seat space along with decent performance. Should I go for the diesel or petrol variant? I am concerned about the poor mileage of the turbo-petrol engines in both cars.
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Go for the Mahindra XUV 3XO petrol. It offers the most rear-seat space in the segment, a wide cabin, and a genuinely comfortable back seat, which is exactly what you are looking for. The Hyundai Venue is a good car, but its rear seat is not as spacious or as comfortable as the 3XO's. In terms of performance, both the 3XO and Venue turbo petrols are strong, but the 3XO's 1.2 turbo petrol is punchy and well suited to both city and highway driving.
On the diesel versus petrol question, it really comes down to your running. If your annual mileage is below 15,000 km, the petrol makes more sense. Modern turbo petrols aren't as fuel efficient as naturally aspirated engines, but the difference isn't huge unless you are doing very high mileage. The diesel is only worth considering if you do a lot of highway driving and your annual running is high enough to justify the higher upfront cost.
Mahindra XUV 3XO
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@autocar.india Thank you. Can you please share the rough mileage in city and highway for 3XO turbo petrol. I am expecting around 16-17 kmpl in highways and 10-12 kmpl in the city
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Posted on: 12 Sept 2026
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