Hello, given the DPF concerns and upcoming CAFE III regulations, with my driving pattern being 60% highway and 40% city and covering around 15,000 km annually, would a 1.5L diesel (automatic or manual) still be a worthwhile choice?
Yes, a 1.5-litre diesel is still a worthwhile choice for your usage. At 15,000 km a year with 60% highway driving, you are well within the sweet spot for diesel ownership. The DPF concerns are often overstated - modern diesels are designed to regenerate the filter during sustained highway runs, and your usage pattern is ideal for that. CAFE III regulations are pushing manufacturers towards cleaner engines, but they are not making diesels obsolete; they are simply making them more efficient and cleaner. The bigger question is whether diesel still makes financial sense. With the narrowing price gap between petrol and diesel, the payback period is longer than it used to be, but at your mileage and highway bias, it still adds up. If you are keeping the car for 5-7 years, you will see the benefit. As for automatic versus manual, go automatic if you want ease of use in city traffic; modern torque converter automatics on diesels are smooth and reliable in cars like the Kia Seltos and the Hyundai Creta. Overall, diesel is still the right choice for your usage.

Kia Seltos
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Posted on: 26 Aug 2026
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