The whole Maruti Suzuki lineup has been updated to comply with BS6 Phase 2 rules. 

Now that the new BS6 Phase 2 Real Driving Emissions (RDE) requirements have been implemented,

all of the company's hatchbacks, sedans, MPVs, SUVs, and commercial vehicles are in compliance.

Additionally, they are now also compatible with E20 gasoline.

The new Maruti Suzuki vehicles that comply with RDE include an improved on-board diagnostics

system that continuously checks the vehicle's pollution control systems and alerts the driver to any problems.

The line-up has also got a safety update in the form of electronic stability control in addition to the BS6 upgrade

In essence, this technology recognises when the car is losing control. 

 It then assists in maintaining traction by optimally controlling engine output and braking force to each wheel to bring

The highways are where you feel the need for a more planted car to cruise at triple-digit speeds. The Alto K10 is better at 50-70kmph