"With a consensus expectation of better monsoons this year and new model launches intensifying competition in the passenger car and two-wheeler segments, the agency believes replacement demand will increase, supporting commercial vehicle demand," the report noted.
"In addition, the 23.5 per cent salary hike for government employees will provide a one-time demand boost to all automobile segments."
Industry lobby SIAM, in April, had revised downwards its growth forecast for passenger vehicle sales to 6-8 per cent for the current fiscal, citing high taxation and unfavourable environment around diesel vehicles.
Car sales logged the highest sales growth in five years at 7.8 per cent in 2015-16, driven largely by new model launches and heavy discounts.
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Motorcycle sales for the fiscal were down 0.24 per cent to 1,07,00,466 units while sales of commercial vehicles rose 11.5 per cent to 6,85,704 units as against 6,14,948 in 2014-15.
The Fitch report said that between 2010-11 and 2015-16, total auto sales have grown 35 per cent to 24.1 million units.
Out of the total sales, passenger vehicles made up only 13 per cent and commercial and three-wheelers brought up the rest.
Robust macroeconomic expansion last year supported the 7.2 per cent growth in domestic passenger vehicle sales to 2.8 million units, up from 3.9 per cent in 2014-15.