What does BS4 mean? What is BS4 vehicles in India? Is BS4 engine banned in India? Is BS 3 ban in Delhi? Can we drive BS4 cars in India? Can we use BS6 fuel in BS4 engine? When was the BS4 model launched? What is the Bharat Stage in 2014? Know more about BS4 in Bike or Motorcycles in India with meaning, details, introduction date, and latest status of it.
What is the Meaning of BS4 Vehicles?
BS4 refers to the Bharat Standards IV. It’s actually an emission standard set by the Indian govt. It was 4th iteration. BS4 bikes or vehicles are motor vehicles that comply with Bharat Standards IV. BS4 was more advanced than its predecessor BS3 standards. However, it’s ancient to the currently implemented BS6 standards.
What are the BS4 Norms?
Let’s take a look at the Bharat Stage 4 norms for bikes and motor vehicles in India.
| Fuel Variant | Pollutant Gases | BS-IV (BS4) Limits |
| Petroleum Distillate Vehicle | Nitrogen Oxide (NOx) Limit | 80 mg |
| Particulate Matter (PM) Limit | N/A | |
| Diesel Fuel Vehicle | HC + NOx | 300 mg |
| Nitrogen Oxide (NOx) Limit | 250 mg | |
| Particulate Matter (PM) Limit | 25 mg |
Is BS4 Available in India?
When did BS4 start in India? The authority introduced the Bharat Stage IV in April 2010. Firstly the BS4 was placed in 13 major cities of the country and then nationwide. Is 2017 BS4 or BS6? It was BS4 back then in 2017. However, it was replaced by BS-VI in April 2020. In fact, no company could sell vehicles complying with BS-IV since Mar 31, 2020. Is BS 4 allowed in India? However, people who have purchased BS4 bikes or vehicles before April 2020, can use their ones.
How to Know BS4 or BS6?
It’s an important question for motor vehicle users. You can check whether your vehicle is BS4 or BS6 through the following processes.
- Registration certificate of the vehicle.
- Manufacturing date
- VIN
- RTO Form 21, etc.
Which is Better, BS4 or BS6?
No doubt, BS6 is better. It’s the latest implemented standard. BS6 vehicles emit lesser pollutant gases. The restriction level is much stricter for BS6. Hence, BS6 vehicles affect the environment and the air much less than BS4 motor transports.
Can We Convert BS4 to BS6?
Yes but in the process the vehicle’s breathing faces restrictions from the automakers. Hence, a bit of performance degradation will be there. Moreover, user will enjoy less fuel efficiency as well.
Can we use BS6 fuel in BS4 Engine?
Users can use BS6 fuel in the BS4 engines. However, there is less sulfur in the BS6 fuel compared to BS4. Additives can be handy in this case as it works as a lubricating agent.
