The Real Question Every Indian Asks: “Kitna Deti Hai?”
In India, when people ask “Kitna deti hai?” they mean mileage. For Indian car buyers, fuel economy is a key factor that affects long-term running cost, savings, and ownership satisfaction. Despite changing trends, fuel efficiency remains a top priority — which explains the rising demand for CNG and hybrid cars that deliver better mileage than many petrol and diesel alternatives.
If your budget is around ₹15 lakh and you want a car that is economical to run, here are the top 10 fuel-efficient models you should consider in 2025.
Top 10 Fuel-Efficient Cars (Quick List)
- Maruti Suzuki Wagon R CNG — 37.5 km/kg
- Maruti Suzuki Celerio CNG — 34.43 km/kg
- Maruti Suzuki Dzire CNG — 33.73 km/kg
- Maruti Suzuki Swift CNG — 32.85 km/kg
- Tata Punch CNG — 26.99 km/kg
- Maruti Suzuki Grand Vitara Hybrid — 28.03 km/l
- Toyota Hyryder Hybrid — 27.97 km/l
- Tata Altroz Diesel — 24.2 km/l
- Tata Nexon Diesel — 24.08 km/l
- Hyundai Venue Diesel — 24 km/l
Detailed Picks — Why These Cars?
Maruti Suzuki Wagon R CNG – 37.5 km/kg
The Wagon R is popular for its practicality, spacious cabin, and low running costs. The CNG variant gives industry-leading mileage of 37.5 km/kg, making it ideal for buyers focused on fuel savings and city driving.
- Fuel Type: CNG
- Engine: 1.0L Bi-Fuel (Petrol/CNG)
- Highlights: Excellent city mileage, low maintenance, family-friendly
Maruti Suzuki Celerio CNG – 34.43 km/kg
The Celerio combines a compact footprint with strong fuel economy. The DualJet-equipped CNG variant delivers 34.43 km/kg, perfect for urban commuters who want maximum savings.
- Fuel Type: CNG
- Engine: 1.0L DualJet
- Highlights: Peppy drive, compact design, economical ownership
Maruti Suzuki Dzire CNG – 33.73 km/kg
The Dzire is a trusted compact sedan with a refined cabin and comfortable ride. Its CNG option returns 33.73 km/kg, combining comfort with excellent fuel economy.
- Fuel Type: CNG
- Engine: 1.2L DualJet Bi-Fuel
- Highlights: Smooth suspension, premium feel, good for taxi or daily use
. Maruti Suzuki Swift CNG – 32.85 km/kg
The Swift is known for sporty styling and a fun driving experience. The CNG variant balances performance and economy with 32.85 km/kg.
- Fuel Type: CNG
- Engine: 1.2L DualJet
- Highlights: Sporty looks, reliable engine, strong resale value
. Tata Punch CNG – 26.99 km/kg
The Tata Punch blends SUV style with high safety standards (Global NCAP 5-star). Its CNG variant returns 26.99 km/kg, making it a safe and efficient family choice.
- Fuel Type: CNG
- Engine: 1.2L Revotron
- Highlights: SUV stance, top safety, comfortable ride
. Maruti Suzuki Grand Vitara Hybrid – 28.03 km/l
With smart hybrid technology, the Grand Vitara offers excellent highway and city efficiency — about 28.03 km/l in combined use. It’s positioned as a premium, fuel-efficient SUV.
- Fuel Type: Petrol + Hybrid
- Engine: 1.5L Smart Hybrid
- Highlights: Low running cost, advanced tech, premium cabin
. Toyota Hyryder Hybrid – 27.97 km/l
The Toyota Hyryder shares hybrid tech with the Grand Vitara and returns about 27.97 km/l, combining Toyota’s reliability with hybrid efficiency.
- Fuel Type: Petrol + Hybrid
- Engine: 1.5L TNGA Hybrid
- Highlights: Proven reliability, refined hybrid system
. Tata Altroz Diesel – 24.2 km/l
The Altroz is a premium hatchback offering a diesel variant with strong efficiency — approximately 24.2 km/l. It’s a great option for buyers wanting hatchback practicality plus mileage.
- Fuel Type: Diesel
- Engine: 1.5L Revotorq Diesel
- Highlights: Premium styling, sturdy build, high safety
. Tata Nexon Diesel – 24.08 km/l
The Nexon combines safety, space, and efficient diesel performance (around 24.08 km/l), making it a preferred compact SUV for families and long-distance drivers.
- Fuel Type: Diesel
- Engine: 1.5L Revotorq
- Highlights: 5-star safety, turbo performance, comfort
. Hyundai Venue Diesel – 24 km/l
The Venue offers a refined cabin and efficient diesel engine with about 24 km/l. It’s a balanced compact SUV for buyers who want features and mileage.
- Fuel Type: Diesel
- Engine: 1.5L U2 CRDi
- Highlights: Good infotainment, comfortable ride, reliable engine
Comparison Table – Top 10 Fuel-Efficient Cars (2025)
| Rank | Car Model | Fuel Type | Mileage (km/kg or km/l) | Key Highlights |
|---|---|---|---|---|
| 1 | Maruti Suzuki Wagon R | CNG | 37.5 km/kg | Most fuel-efficient car in India |
| 2 | Maruti Celerio | CNG | 34.43 km/kg | Compact, efficient city car |
| 3 | Maruti Suzuki Dzire | CNG | 33.73 km/kg | Trusted sedan with great mileage |
| 4 | Maruti Suzuki Swift | CNG | 32.85 km/kg | Sporty hatchback with CNG option |
| 5 | Tata Punch | CNG | 26.99 km/kg | 5-star safety + great mileage |
| 6 | Maruti Suzuki Grand Vitara | Hybrid | 28.03 km/l | Smart Hybrid SUV |
| 7 | Toyota Hyryder | Hybrid | 27.97 km/l | Toyota reliability + efficiency |
| 8 | Tata Altroz | Diesel | 24.2 km/l | Premium hatchback with diesel power |
| 9 | Tata Nexon | Diesel | 24.08 km/l | India’s safest compact SUV |
| 10 | Hyundai Venue | Diesel | 24 km/l | Compact SUV with balanced performance |
Final Verdict — Which Car Should You Choose?
If maximum mileage under ₹15 lakh is your priority, Maruti Suzuki’s CNG lineup (Wagon R, Celerio, Dzire, Swift) leads the pack. For a stronger focus on safety and build quality, Tata’s Punch and Nexon are excellent. If you prefer long-term savings via hybrid technology, consider the Toyota Hyryder or Maruti Grand Vitara.
All models listed provide a good mix of lower running costs, reliability, and resale value — key traits Indian buyers look for when asking “Kitna deti hai?“.
Md Imran Rahimi is the founder and main author of TechScopeHub.in. He is passionate about technology, gadgets, and automobiles, and loves to share simple yet valuable insights with readers. With a focus on honest reviews and clear comparisons, Imran’s goal is to make technology easy and useful for everyone.”