Hyundai Exter Hy-CNG Duo
Factory-fitted CNG specifications: real-world fuel economy vs ARAI rating, usable tank gas weight at 200 BAR dispensing pressure, boot luggage volume, and running cost benchmarks.
Real-World vs ARAI Fuel Economy
Empirical owner-verified consumption based on real highway and urban driving cycles.
Optimal multi-lane expressway driving with air conditioning active.
Dense bumper-to-bumper metropolitan traffic with frequent stops and idling.
Statutory dyno laboratory measurement certified by the Automotive Research Association of India (ARAI).
Usable Gas Capacity vs Forecourt Pressure
Because natural gas is compressible, the amount loaded depends on forecourt compressor pressure.
Running Cost per Kilometer Across Indian Metros
Live comparison across licensed City Gas Distribution (CGD) operating networks.
Save approximately ₹72,454 annually
Based on 15,000 km annual driving at average ₹80/kg CNG vs ₹102/L Petrol.
Trunk Architecture & Boot Space Practicality
How the cylinder installation impacts daily luggage capacity and spare wheel accessibility.
Usable flat area for baggage with the factory cylinder guard and safety cover installed.
Mounting layout: Sub-floor Luggage Bay.
Accessibility protocol in the event of an emergency highway flat tire.
PESO Rule 35 Cylinder Testing Protocol for Exter Hy-CNG
As required by the Petroleum and Explosives Safety Organization (PESO) under Rule 35 of the Gas Cylinder Rules, 2016, the CNG cylinder in this vehicle must undergo hydrostatic testing every 3 years.
Engine bay identification tag and dual tank certificates.
Authorized CGD dispensers will deny gas filling if the compliance plate is expired or unreadable.
Compare Other Factory-Fitted CNG Vehicles
Evaluate alternative OEM models across similar passenger segments.
Frequently Asked Questions: Exter Hy-CNG
Does Hyundai Exter CNG have dual-cylinder technology?
Yes, Hyundai's Hy-CNG Duo system features dual cylinders placed beneath the luggage area floor, providing roughly 200 liters of usable trunk space.
How does Exter Hy-CNG compare to Tata Punch iCNG?
Both feature dual-cylinder technology and ~200L boot space. Exter has a smoother 4-cylinder engine with lower NVH, while Punch offers higher ground clearance (187mm) and 5-star crash safety pedigree.
