Best CNG Cars Under ₹8 Lakh in India (2026): Price, Mileage & Full Comparison

By Kaushik Brahmakshatriya

Published On 04 July 2026.

Best CNG cars under 8 lakh in India

Best CNG Cars Under ₹8 Lakh in India (2026)

CNG remains cheaper per kilometre than petrol, and factory-fitted (OEM) CNG kits come with better safety certification than aftermarket setups. Most entry-level and compact cars in this segment now offer twin-cylinder CNG technology, which frees up boot space compared to older single-tank designs.

Top CNG Cars Under ₹8 Lakh

Note : Prices are approximate ex-showroom figures and vary by city and variant.

Feature & Engine Comparison

Car Model | Engine (CNG Mode) | Transmission | Key Highlight ||—|—|—|

| Tata Tiago CNG | 1.2L, ~73 PS | 5-speed MT | Best-in-class mileage |

| Tata Punch CNG | 1.2L, ~73.5 PS | 5-speed MT / AMT | Twin-cylinder tech, SUV stance |

| Renault Triber CNG | 1.0L | 5-speed MT | 7-seater flexibility |

| Maruti Wagon R CNG | 998cc | 5-speed MT | Class-leading fuel efficiency |

| Hyundai Aura CNG | 1.2L Kappa | 5-speed MT | Sedan comfort on a budget |

What to Check Before Buying

• Boot space impact: Twin-cylinder setups (like on the Punch) preserve more boot space than older single-cylinder designs.
• Service cost: CNG cars typically need more frequent servicing due to the added fuel system, so factor this into your budget.
• City-specific pricing: On-road prices vary noticeably between states due to RTO taxes, so always confirm local pricing before booking.
• Warranty on CNG kit: Factory-fitted kits usually carry the same warranty as the vehicle, which aftermarket kits don’t offer.

Our Verdict

For pure fuel economy, the Maruti Wagon R CNG and Tata Tiago CNG are hard to beat. If you want an SUV-styled hatchback with modern features, the Tata Punch CNG is the strongest all-rounder in this The information on this auto blog is for general purposes only. Prices, features, and specifications may change without notice. Please verify details with the official dealer or manufacturer before making any purchase decision. We are not responsible for any loss based on this informational. bracket. Families needing extra seats should consider the Renault Triber CNG, which remains the only affordable 7-seater CNG option.

Frequently Asked Questions (FAQ)

Q1: Which is the cheapest CNG car in India under ₹8 lakh?

A: The Tata Tiago CNG is among the most affordable, starting around ₹4.70 lakh ex-showroom.

Q2: Which CNG car gives the best mileage under ₹8 lakh?

A: The Maruti Suzuki Wagon R CNG offers some of the best mileage in this segment, going up to around 34 km/kg.

Q3: Is a factory-fitted CNG kit safer than an aftermarket one?

A: Yes. Factory-fitted (OEM) CNG kits undergo stricter safety testing and come with proper warranty coverage, unlike most aftermarket installations.

Q4: Do CNG cars lose boot space?

A: Older single-cylinder CNG cars do lose some boot space, but newer twin-cylinder models like the Tata Punch CNG are designed to minimise this impact.

Q5: Are CNG cars good for highway driving?

A: Yes, most modern CNG cars can switch seamlessly to petrol mode, making them suitable for both city and highway use.

Disclaimer :

The information on this auto blog is for general purposes only. Prices, features, and specifications may change without notice. Please verify details with the official dealer or manufacturer before making any purchase decision. We are not responsible for any loss based on this informational.