BS 6 Special: Part 3 | The engines BS 6 killed

The implementation of BS 6 norms marks the end of the road for many existing engines in India.

By Hormazd Sorabjee, Autocar India calendar 31 Mar 2020 Views icon7303 Views Share - Share to Facebook Share to Twitter Share to LinkedIn Share to Whatsapp
BS 6 Special: Part 3 | The engines BS 6 killed

Now that we've covered the background and how BS 6 engines work, we delve into how this shift affects buyers and various engines.

So what does the BS 6 tech mean for you, the customer? Firstly, cars will get more expensive – especially diesels, or whatever’s left of them. A great many brilliant diesels will be gone from the market and won’t be replaced, which is a real shame. With brands like Audi, Volkswagen, Skoda, Maruti Suzuki, Renault and Nissan, you will only have a choice of petrol models. And that’s not necessarily a bad thing, because BS 6 will also bring a wave of turbo-petrol engines that will put the fun back into driving. That is until the heavy fuel consumption these engines typically have begins to bite!

It’s also not a bad idea to grab a BS 4 car while you still can, especially a great diesel like the Audi Q7, Renault Duster, or something like the Maruti Ertiga or Ciaz with the brilliant, in-house, 1.5-litre engine.

Can a BS 4 car run on BS 6 fuel?
Of course, there's that final, niggling question: Can a BS 4 car run on BS 6 fuel? Of course, it can! And so can a BS 3 car, without any problems whatsoever. Worries that BS 6 fuel will wear out engines faster because of its reduced sulphur (which is a natural lubricant) are completely unfounded. The reduction of sulphur has been compensated for with special additives that have double and triple molecular bonds that mix with oxygen to form a protective coat on engine parts.

Finally, BS 4 or BS 6? BS 4 cars are cheaper, nicer to drive and less complex to maintain, while BS 6 cars are future-proofed, will have better resale, and lest we forget, are better for the environment.

Among the bevy of engines that will no longer be available, some of the more notable units include Ford’s powerful EcoBoost engine – it’ll be replaced on the EcoSport in 2021 by Mahindra’s 130hp 1.2-litre mStallion turbo-petrol engine (codenamed G12). Toyota Kirloskar Motor has stopped production of its 1.2-litre petrol unit that powered the Etios Liva hatchback and Etios sedan. Interestingly, Toyota's new smallest petrol engine in India comes from partner Maruti Suzuki, in the form of the 1.2-litre K12B that powers the Glanza.

The arrival of BS 6 norms also marks the end of the road for some illustrious diesel engines. Renault-Nissan's 1.5 litre K9K engine that powers every model sold by the two carmakers is set to go. ‘India's national engine’, Fiat's ubiquitous 1.3-litre four-cylinder Multijet diesel, is gone too. Aside from Fiat's own models, the Multijet unit powered hatchbacks, sedans, MPVs and SUVs from Maruti, Tata, Chevrolet and even Premier over the course of its life. 

Maruti Suzuki India will become a petrol-only carmaker with the withdrawal of its in-house 1.5-litre DDiS225 diesel engine. Launched only in 2019, the engine has had a short run in the market. A BS6 version is on the cards for launch down the road

The Volkswagen Group might bring back diesels too but come April 1, 2020, all brands under the umbrella (Volkswagen, Skoda and Audi, primarily) will have petrol-only offerings. 

Content & data copyright: Autocar India

READ MORE
BS 6 Special: Part 1 – the background story

BS 6 Special: Part 2 – how BS 6 engines work

BS 6 Special: Part 4 – BS 6 and two-wheelers

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