In recent years, CNG (Compressed Natural Gas) cars have become very popular in India. Many families are looking for 7-seater vehicles that use CNG. This is because CNG is cheaper than petrol or diesel. It also helps reduce pollution. But when choosing a family car, fuel efficiency is very important. It means how far the car can travel using one kilogram of CNG fuel.
This article explains the 7-seater CNG cars that have the best fuel efficiency ratings in India in 2025. It talks about popular models, key features, mileage, and why they are a smart choice for families.
Why Choose a 7-Seater CNG Car?
7-seater cars are great for big families. You can carry more people comfortably. They are also useful for trips, school runs, and daily travel. When these cars use CNG fuel, they become more affordable to run.
Some main advantages of 7-seater CNG cars are:
- Lower running cost because CNG is cheaper than petrol or diesel.
- Good fuel efficiency saves money on fuel.
- Less pollution helps protect the environment.
- Larger space and comfortable seating for seven people.
- Usually, these cars are easy to maintain.
Now, let’s look at the best 7-seater CNG cars available in India with the highest fuel efficiency.
Top 7-Seater CNG Models with Highest Fuel Efficiency
1. Maruti Suzuki Ertiga CNG
The Maruti Suzuki Ertiga CNG is one of the most popular seven-seater family cars in India. It is known for its balance of space, power, and fuel economy.
- Engine: 1.5-litre petrol engine adapted for CNG gas
- Power: 88 PS
- Torque: 121.5 Nm
- Transmission: 5-speed manual
- Mileage: Approximately 26.1 km per kilogram of CNG
- Price Range: ₹8.8 lakh to ₹12.9 lakh (ex-showroom)
The Ertiga CNG has a spacious cabin suitable for seven passengers. It is comfortable on long drives. It also includes good features like a touchscreen infotainment system, auto AC, and roof-mounted AC vents for the middle row. The Ertiga CNG achieves very impressive mileage, making it one of the most fuel-efficient 7-seater CNG cars in India.
2. Toyota Rumion CNG
Toyota Rumion is another leading 7-seater CNG vehicle known for fuel efficiency and space. It shares several traits with the Innova Crysta but comes at a more affordable price.
- Mileage: Close to 26 km per kilogram of CNG
- Seating: Spacious for seven passengers
- Known for: Reliability, comfort, and fuel efficiency
- Price Range: ₹10.44 lakh to ₹13.73 lakh
- Features: Supports Apple CarPlay and Android Auto for better connectivity
The Rumion offers a good balance between power and economy. It is perfect for those looking for a trusted brand with lower running costs.
3. Maruti Suzuki Eeco CNG
Though smaller and simpler than others, the Maruti Suzuki Eeco CNG stands out for practicality and mileage.
- Mileage: Around 26.7 km per kilogram of CNG
- Seating: 7 or 8 passengers depending on variant
- Price: Around ₹5.76 lakh (ex-showroom)
- Known for: Simple design, spacious interiors, and very affordable price
The Eeco is a favorite for budget-conscious families who still want good fuel efficiency and practicality for daily use.
4. Renault Triber CNG
The Renault Triber is a newer entry in the 7-seater CNG segment. It is known for modular seats and boot space flexibility.
- Engine: 1.0-litre petrol with CNG kit option
- Mileage: Around 22 to 24 km/kg on CNG (varies by driving conditions)
- Price: ₹6-8 lakh range (approximate)
- Features: 8-inch touchscreen, spacious and modular seating
Although the engine is smaller and less powerful, the Triber is an economical choice with flexibility in seating and cargo space.
5. Upcoming Models
There are also rumors of new 7-seater CNG models coming from Tata (Tata Safari CNG expected) and Hyundai (Hyundai Alcazar CNG expected). These models aim to provide premium interiors, higher ground clearance, and smart hybrid technologies while maintaining good fuel efficiency, likely around 20-26 km/kg.
Comparing Fuel Efficiency of Top 7-Seater CNG Cars
| Model | Engine Size | Mileage (km/kg CNG) | Power (PS) | Price Range (₹ lakh) | Seating Capacity | Notable Features |
|---|---|---|---|---|---|---|
| Maruti Suzuki Ertiga | 1.5 L | 26.1 km/kg | 88 | 8.8 – 12.9 | 7 | Touchscreen infotainment, roof AC |
| Toyota Rumion | 1.5 L (CNG) | ~26 km/kg | Varies | 10.44 – 13.73 | 7 | Apple CarPlay, Android Auto |
| Maruti Suzuki Eeco | 1.2 L | 26.7 km/kg | Lower | ~5.76 | 7-8 | Affordable, simple design |
| Renault Triber | 1.0 L | 22-24 km/kg | 72 | ~6-8 | 7 | Modular seats, 8-inch touchscreen |
| Tata Safari (Expected) | 2.0 L Turbo | Expected 20-26 km/kg | Higher | 20-24 (Expected) | 7 | Premium interiors, hybrid tech (rumored) |
Tips for Improving Fuel Efficiency in CNG 7-Seaters
- Regularly service your vehicle and keep tire pressure correct.
- Avoid unnecessary weight and remove roof racks when not used.
- Drive smoothly, avoiding harsh acceleration and braking.
- Use AC wisely; excessive use reduces mileage.
- Plan routes to avoid traffic jams and reduce idling.
Why Fuel Efficiency Matters for CNG Cars?
Fuel efficiency determines how far your car can travel using a certain amount of fuel. With CNG prices lower than petrol and diesel, cars with high fuel efficiency save a lot of money over time. Also, efficient fuel use means less carbon footprint, helping protect the environment.
A 7-seater vehicle is mostly used for family trips or daily commuting, often covering long distances. Therefore, choosing a 7-seater CNG car with good mileage is a smart choice to save running costs while enjoying the space and comfort of a large car.
Conclusion
If looking for a 7-seater CNG car with the highest fuel efficiency in 2025, the Maruti Suzuki Ertiga CNG leads the list. It offers excellent mileage, a spacious cabin, and advanced features. Toyota Rumion CNG also ranks closely for mileage and space. The Maruti Eeco CNG remains a budget-friendly practical choice with outstanding fuel efficiency.
The Renault Triber is ideal for those needing modular seating flexibility. Upcoming models from Tata and Hyundai may add more options for families seeking premium features combined with good fuel economy.
These cars prove that you do not have to sacrifice space or comfort for fuel savings. Families can enjoy roomy rides and save on fuel costs with these top CNG 7-seater models.
Choosing any of these vehicles helps save money and supports a cleaner environment, making them wise choices for Indian families.
Also Read-
Want a Family Ride That Saves Fuel? Discover the Best CNG 7-Seater Deals Near You!
What Are the Top-Rated CNG 7-Seater Options for Family Use?
Which Service Centers Specialize in Maintaining CNG 7-Seater Vehicles?