MoRTH recently announced that the BS7 draft is expected to be released in the next couple of months. With that in mind, is it still wise to buy a BS6 car now, particularly in Delhi, where environmental regulations mean vehicles meeting older emission norms can face restrictions sooner than in other states?
Yes, it is still wise to buy a BS6 car now. The key point is that BS7 is still only a draft proposal, and there is no confirmed implementation date. Even if it is finalised soon, it will take time for the industry to adapt, and there is usually a lead time before new norms become mandatory. More importantly, BS7 is expected to be an incremental tightening of emission limits, not a fundamental change like the jump from BS4 to BS6. BS6 cars will remain fully compliant and legal to use for their entire permitted life.
In Delhi, the 10-year diesel and 15-year petrol rule is based on the age of the vehicle, not the emission norm. BS6 cars will face the same timeline as BS7 cars once the rule is in place. Waiting for BS7 could mean delaying your purchase for an uncertain period without any meaningful benefit.
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Posted on: 11 Sept 2026
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