Best Mileage Diesel Cars in India 2025

When you're searching for a diesel car in India, one thing is for sure: mileage matters. Whether you like to drive more on highways for longer distances or spend your days driving to and from the office through city traffic, getting as many kilometres per litre as possible matters. And with the price of fuel going up more with every passing day, with no slowdown in sight, diesel cars are still a viable alternative for all those who cover more distances on daily travel.

In 2025, automakers are playing their diesel card, and they have engines that are not only efficient on fuel but also BS6 Phase 2 compliant, punchy, and smooth. If you are a person who appreciates sheer torque at low engine revs (RPMs) and economy over a long distance, this list is for you.

Top mileage diesel cars in India in 2025

We have compiled a list of the 10 best diesel cars in India, mainly based on the mileage parameter.

1. Hyundai Grand i10 Nios – Compact, Efficient, and Underrated

Hyundai Grand i10 Nios is a budget diesel hatchback with amazing mileage, which ticks all the correct boxes. It is driven by a 1.2-litre diesel engine and produces a 25.1 km/l, milege without missing out on comfort or features. The interior is rather roomy, the ride is comfortable, and Hyundai's after-sales support is a big plus. Ideal for city driving and small families seeking fuel efficiency on a budget.

Key Specifications-

• Engine: 1.2L U2 CRDi
  
  

• Power: 75 PS @ 4,000 rpm
  
  

• Torque: 190 Nm @ 1,750–2,250 rpm
  
  

• Transmission: 5-Speed Manual
  
  

• ARAI Mileage: 25.1 km/l
  
  

• Boot Space: 260 Litres
  
  

• Fuel Tank Capacity: 37 Litres
  
  

• Body Type: Hatchback
  
  

• Seating Capacity: 5

2. Hyundai Verna – Diesel Elegance with Power

The new Hyundai Verna is not just about bold design, it’s also quiet a diesel performer. It is the perfect car for long-distance drivers who love a mix of all, style, comfort, and fuel efficiency. With a 1.5-litre U2 CRDi engine, which delivers 24.5 km/l mileage, it is one of the most efficient sedans in its segment. The car gives sharp handling, premium interiors, and segment-first features like ADAS and ventilated seats.

Key Specifications-

• Engine: 1.5L U2 CRDi
  
  

• Power: 115 PS @ 4,000 rpm
  
  

• Torque: 250 Nm @ 1,500–2,750 rpm
  
  

• Transmission: 6-Speed Manual / 6-Speed Automatic
  
  

• ARAI Mileage: 24.5 km/l
  
  

• Boot Space: 528 Litres
  
  

• Fuel Tank Capacity: 45 Litres
  
  

• Body Type: Sedan
  
  

• Seating Capacity: 5

3. Maruti Suzuki S-Cross – Solid Value Diesel Performer

Although out of production today, the Maruti Suzuki S-Cross with the 1.6-litre DDiS engine is a great used car option for one who wants a trouble-free diesel car below ₹10 lakh. With a fuel efficiency of 23.2 km/l, ARAI-tested, it's a beauty as much as a practical option. If you're okay with buying a well-inspected used car, the S-Cross is still a good diesel option in 2025.

Key Specifications-

• Engine: 1.3L DDiS 200
  
  

• Power: 89 bhp @ 4,000 rpm
  
  

• Torque: 200 Nm @ 1,750 rpm
  
  

• Transmission: 5-Speed Manual
  
  

• ARAI Mileage: 24 km/l
  
  

• Fuel Tank Capacity: 48 Litres
  
  

• Body Type: SUV
  
  

• Seating Capacity: 5

4. Kia Sonet – Diesel That Delivers on All Fronts

The Kia Sonet is one of a kind with its design, feature-packed interior, and great diesel motor. It is an excellent all-rounder diesel SUV for first-time customers. Its 1.5l CRDi engine provides 24.1 km/l, with both manual and automatic gearboxes. Be it in the city traffic or on the highways, the Sonet is comfortable.

Key Specifications

• Engine: 1.5L CRDi VGT
  
  

• Power: 114 bhp @ 4,000 rpm
  
  

• Torque: 250 Nm @ 1,500–2,750 rpm
  
  

• Transmission: 6-Speed Manual / 6-Speed Automatic
  
  

• ARAI Mileage: 24.1 km/l
  
  

• Boot Space: 385 Litres
  
  

• Fuel Tank Capacity: 45 Litres
  
  

• Body Type: SUV
  
  

• Seating Capacity: 5

5. Honda City Diesel – A Mileage King in Mid-Sedan Space

The Honda City diesel model still surprises with its 24.1 km/l fuel economy. The 1.5l i-DTEC engine is also famous for being fuel-efficient and low maintenance. The City also features a large cabin and world-class ride quality. Its is ideal for buyers who desire diesel economy and sedan refinement.

Key Specifications-

• Engine: 1.5L i-DTEC
  
  

• Power: 100 PS @ 3,600 rpm
  
  

• Torque: 200 Nm @ 1,750 rpm
  
  

• Transmission: 6-Speed Manual
  
  

• ARAI Mileage: 24.1 km/l
  
  

• Boot Space: 506 Litres
  
  

• Fuel Tank Capacity: 40 Litres
  
  

• Body Type: Sedan
  
  

• Seating Capacity: 5

6. Maruti Suzuki Baleno (Diesel) – Still a Crowd Favourite

Although the diesel Baleno was phased out in 2020, it's still readily available in the second-hand car market and sis till very popular. Its 1.3L DDiS engine provides a whopping 23.9 km/l, and the light body makes it simple to drive and fuel-efficient. It is a great second-hand purchase for city drivers looking for diesel economy and low cost of ownership.

Key Specifications

• Engine: 1.3L DDiS
  
  

• Power: 75 PS @ 4,000 rpm
  
  

• Torque: 190 Nm @ 2,000 rpm
  
  

• Transmission: 5-Speed Manual
  
  

• ARAI Mileage: 23.9 km/l
  
  

• Boot Space: 318 Litres
  
  

• Fuel Tank Capacity: 37 Litres
  
  

• Body Type: Hatchback
  
  

• Seating Capacity: 5

7. Tata Nexon Diesel – Diesel Efficiency Plus Safety

The Tata Nexon packs safety, style, and performance together in a well-balanced package.Its 1.5L Revotorq diesel engine comes in at 23.2 km/l while providing plenty of punch for highway cruising. With a 5-star Global NCAP rating, it's one of the safest diesel compact SUVs out there to purchase.

Key Specifications

• Engine: 1.5L Revotorq
  
  

• Power: 113.3 bhp @ 3,750 rpm
  
  

• Torque: 260 Nm @ 1,500–2,750 rpm
  
  

• Transmission: 6-Speed Manual / 6-Speed AMT
  
  

• ARAI Mileage: 24.08 km/l
  
  

• Boot Space: 382 Litres
  
  

• Ground Clearance: 208 mm
  
  

• Body Type: SUV
  
  

• Seating Capacity: 5

8. Hyundai Creta Diesel – Bestseller with a Balanced Package

The Hyundai Creta is a household name, and for good reason. Its 1.5l diesel engine gives you 21.8 km/l, which is powerful yet efficient. You also get a luxurious cabin, drive modes, and feature-packed trims. While it's an SUV, the diesel mileage does not disappoint either. It is perfect for families that require space and class without sacrificing mileage.

Key Specification

• Engine: 1.5L U2 CRDi
  
  

• Power: 114 bhp @ 4,000 rpm
  
  

• Torque: 250 Nm @ 1,500–2,750 rpm
  
  

• Transmission: 6-Speed Manual / 6-Speed Automatic
  
  

• ARAI Mileage: 21.8 km/l
  
  

• Fuel Tank Capacity: 50 Litres
  
  

• Ground Clearance: 190 mm
  
  

• Body Type: SUV
  
  

• Seating Capacity: 5

9. Kia Seltos Diesel – Stylish and Practical SUV

Sharing its engine with the Creta, the Kia Seltos diesel variant delivers 20.8 km/l. It has multiple features like a large infotainment screen, ventilated seats, and drive modes. If you want SUV with diesel practicality, the Seltos should be your choice.

Key Specifications

• Engine: 1.5L CRDi VGT (1493 cc), 4-cylinder
  
  

• Power: 114.41 bhp @ 4000 rpm
  
  

• Torque: 250 Nm @ 1500–2750 rpm
  
  

• Transmission Options: 6-Speed Manual / 6-Speed Automatic
  
  

• ARAI Mileage: 19.1 km/l
  
  

• Boot Space: 433 Litres
  
  

• Fuel Tank Capacity: 50 Litres
  
  

• Body Type: SUV
  
  

• Seating Capacity: 5

10. Tata Harrier – Rugged and Refined, with Diesel Muscle

The Tata Harrier is tank-built and comes with a 2.0L Kryotec diesel engine that produces massive torque. It may be big, but it still returns a decent 19.3 km/l. With premium interiors and Land Rover-inspired underpinnings, the Harrier is for those who desire more than mileage. It is ideal for long road trippers, adventure enthusiasts, and large car enthusiasts.

 Key Specifications

• Engine: 2.0L Kryotec Turbocharged Diesel (1956 cc), 4-cylinder
  
  

• Power: 170 PS @ 3750 rpm
  
  

• Torque: 350 Nm @ 1750–2500 rpm
  
  

• Transmission Options: 6-Speed Manual / 6-Speed Automatic
  
  

• ARAI Mileage: 14.6 to 16.8 km/l
  
  

• Boot Space: 445 Litres
  
  

• Fuel Tank Capacity: 50 Litres
  
  

• Body Type: SUV
  
  

• Seating Capacity: 5

Wrapping Up: Which Diesel Car Is Right for You?

Selecting the best mileage diesel car is all about your driving habits, your budget, and what you need from your vehicle other than mileage. From city-friendly Grand i10 Nios to tough Tata Harrier, there's a diesel car in here for each kind of driver.

Although diesel engines are gradually disappearing from some segments, they remain a shrewd choice in 2025 if you do a lot of driving and love good torque and reduced running expenses.

FAQS: Best Mileage Diesel Cars in India

Which diesel car gives the best mileage in India in 2025?

The Hyundai Grand i10 Nios diesel tops the list with an ARAI mileage of 25.1 km/l.

Is diesel better than petrol for long drives?

Yes. Diesel engines give more fuel economy and greater torque, hence prove to be good for long road trips.

Are diesels worth the purchase in 2025, even after stricter norms on emissions?

Definitely. If you make a lot of journeys or commute a long way, a diesel car will cut costs in the long term irrespective of stricter emissions norms.

Which is the best diesel SUV under ₹10 lakh?

The Kia Sonet and Tata Nexon are solid choices, offering great mileage, features, and value.

Can I still buy a diesel Baleno or S-Cross in 2025?

Yes, you can find these models in the used car market. Both offer excellent diesel economy and Maruti's trusted reliability.