Mumbai

•2w

I own a January 2018 Tata Nexon petrol. It is an E10 compliant car that I have to run on E20 due to the government mandate. Till date, it has clocked 1,01,200 km without any issues. I want to know your views on usage of Petrol additive Iftex System G and G+. As suggested by the manufacturer, I plan to use System G+ for one-time cleaning, followed by dosing System G with petrol thereafter. I would be grateful if you could explain their impact on the car.

•4m

You have a 2018 Tata Nexon petrol that has run over 1 lakh km without any issues, and you are now concerned about running it on E20 fuel and whether using Iftex System G and G+ additives will help. The good news is that your Nexon has already proven itself to be a reliable car, and there is no evidence to suggest that running E20 in an E10-compliant engine will cause any immediate or catastrophic problems. The main impact of E20 is a slight drop in fuel efficiency and potentially increased wear on some rubber fuel system components over a very long period.

As for the additives, using System G+ as a one-time cleaning dose followed by regular System G dosing is unlikely to cause any harm, but it is also unlikely to make a dramatic difference. Modern fuels already contain detergents, and your car has been running well for over 1 lakh km without additives. If you want to use them for peace of mind, that is fine, but do not expect a night-and-day improvement. The most important thing is to continue with regular maintenance and keep an eye on fuel system components over time.

Overall, your Nexon has already proven itself, and E20 is not something to be overly worried about. Additives are a personal choice, but they are not a magic solution.

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I currently own a 2019 Hyundai Venue and am considering either the Tata Nexon DCA Camo Edition or Mahindra XUV 3XO AX5 AT. How reliable are these cars for long-term ownership of around 10 years, particularly in terms of after-sales support, workshop quality and the ability of technicians to diagnose and fix issues beyond regular servicing? There have been concerns about Tata and Mahindra workshops not always having the required expertise when more complex issues arise. The Nexon, for instance, has had reports of engine oil and coolant mixing, while the XUV 3XO has faced complaints related to infotainment glitches and electrical warning messages. Given these concerns, which of the two would be a safer choice for hassle-free ownership over the next decade?

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I'm driving Tata Altroz NA petrol manual for the past five years. Now, I want to switch to a diesel engine since most of my running would be on rough terrain and ghat roads. My yearly running is around 15,000 km. I am looking for a used Nexon diesel due to budget constraint. I live in Mangalore. Would it be a good option or should I look for some other brand/model? I would prefer manual only since I like driving manual cars and I don't need very fancy features. Please suggest.

•2d

Given your usage of 15,000 km a year, rough terrain, ghat roads and a preference for manual driving, a diesel SUV is the right direction. The Tata Nexon diesel is a good choice for this use case. The diesel engine has strong low-end torque, which is exactly what you want for hill climbs and rough roads, and the Nexon’s ground clearance and suspension setup are well suited to the kind of terrain you’re describing. It’s one of Tata Motor's older cars and has been constantly updated since its introduction for improve aspects of performance comfort and reliability so get as new a car possible as your budget allows. If you find a well-maintained example with a clean service history, the Nexon diesel is a very sensible and cost-effective upgrade from your Altroz.If you want to consider alternatives, the Hyundai Venue or even the Maruti Suzuki Brezza diesel (from the previous generation) is worth a look. Overall, the Nexon diesel manual is a good fit for your requirements. Just focus on finding a well-maintained used example with a full service history.

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