The Maruti Suzuki Ertiga CNG has emerged as the most economical 7-seater commercial taxi in Delhi — not just for its low purchase price, but for its running costs that undercut every competing MPV. Here is the complete cost breakdown for Delhi taxi operators in 2026.
Ertiga CNG Running Cost Per KM — Delhi 2026
- CNG fuel cost: At ₹76.59/kg and real-world 22 km/kg, fuel cost = ₹3.48/km
- Engine oil service (every 10,000 km): ₹2,500–₹3,000 → ₹0.25–₹0.30/km
- Tyres (4 tyres every 50,000 km, ₹18,000–₹24,000): ₹0.36–₹0.48/km
- Brake pads (every 40,000 km, ₹3,000–₹4,500): ₹0.08–₹0.11/km
- Miscellaneous (belts, filters, AC service): ₹0.10–₹0.20/km
- Total running cost (fuel + maintenance): ₹4.27–₹4.57/km
- Comparison: Innova Crysta diesel = ₹8–12/km total running cost
Monthly Operating Cost — Ertiga CNG Taxi Delhi
- Daily km: 120 km (typical city Ola/Uber operation)
- Monthly km: 3,120 km (26 working days)
- Monthly CNG cost: 3,120 km ÷ 22 km/kg × ₹76.59 = ₹10,870
- Monthly maintenance (averaged): ₹3,000–₹5,000
- Total monthly operating cost: ₹13,870–₹15,870
- Monthly gross earnings (Ola/Uber mini van): ₹35,000–₹55,000
- Net monthly income (owner-operator, no EMI): ₹19,130–₹41,130
What Affects Ertiga CNG Running Cost in Delhi
- CNG cylinder condition: Leaky fittings increase consumption — get kit serviced every 20,000 km
- AC usage: Delhi summer AC cuts CNG mileage from 22 to 18–20 km/kg
- Driving style: Aggressive acceleration in traffic (worst in Connaught Place area) increases consumption 15–20%
- Vehicle age: Ertigas above 1.5 lakh km show declining CNG efficiency — factor in lower mileage in budgeting