India’s petrol-car share slips as CNG gains; diesel SUVs retain buyer appeal

Petrol’s share of Indian passenger-vehicle sales fell to 40.85% in August 2026 from 49.97% in April 2025, while CNG rose to 25.28%. Diesel demand remains firm in larger SUVs, supporting Mahindra and Hyundai, though upcoming CAFE 3 and BS-VII rules could raise pressure on the fuel.

— Source publishedSun, 13 Sept, 2026, 16:28 IST·First seen Sun, 13 Sept, 2026, 16:36 IST·Source Mint · Industry

What happened

Maruti Suzuki India · CNG, electric and hybrid vehicles overtook petrol in Indian passenger-vehicle sales in August, led by CNG. Diesel remains resilient among

Key facts

  • Petrol passenger-vehicle share fell to 40.85% in August 2026 from 49.97% in April 2025
  • CNG share rose to 25.28% from 19.67%
  • Diesel share declined to 17.21% from 18.47%
  • More than two-thirds of Mahindra monthly SUV sales are diesel-powered
  • More than one-third of Hyundai Creta buyers choose diesel

What changed

CNG, electric and hybrid vehicles overtook petrol in Indian passenger-vehicle sales in August, led by CNG. Diesel remains resilient among large SUV buyers, supporting Mahindra and Hyundai demand, while future CAFE 3 and BS-VII rules could pressure diesel.

Why this matters

Shift inventory, sales training and service capacity toward CNG models while preserving diesel-SUV availability, as petrol demand loses share and tighter emissions rules raise future compliance needs.

What to watch

  • Monthly fuel-type registration mix, especially whether CNG share remains above 25% through subsequent quarters.
  • CNG station additions, queue times and regional gas-price changes.
  • Diesel-SUV booking trends, discount levels and inventory days for Mahindra and Hyundai.
  • OEM announcements on CAFE 3 compliance plans, engine rationalization and price increases.
  • Final BS-VII timing, emissions requirements and any fuel-quality roadmap.