Forget Petrol Cars, This are Top 5 Best Mileage Diesel Cars Under 20 Lakhs Rs in India

You can buy a diesel automobile in India for 20 lakhs! Several great options combine performance, mileage, comfort, and features. We’ve listed 2023’s Top 5 Best Mileage Diesel Cars Under 20 Lakhs to help you choose. This guide will walk you through each car’s features, pros and disadvantages, and crucial specs to help you choose the perfect fit.

List of Best Mileage Diesel Cars Under 20 Lakhs

1. Mahindra Thar (LX)

Diesel Cars Under 20 Lakhs
Mahindra Thar – Best Mileage Diesel Cars Under 20 Lakhs

The Mahindra Thar (LX) is undoubtedly one of the most sought-after diesel cars in this price range. Its 2.2L mHawk engine generates a powerful 130HP and 320nm of torque, making it suitable for various road conditions. Adventure seekers will appreciate the Thar’s 4×4 drivetrain, 6-speed manual or automatic transmission, and an array of safety features, including dual airbags, ABS with EBD, and cruise control. The Thar’s rugged yet stylish design, combined with a feature-rich cabin and a touchscreen infotainment system, ensures a comfortable and exciting driving experience.


  • Rugged and stylish design
  • Powerful and refined engine
  • Feature-rich cabin


  • Limited boot space
  • Rear seat comfort may be compromised
  • High waiting period for delivery

The Mahindra Thar (LX) comes with a price tag ranging from Rs. 12.04 lakh to Rs. 14.49 lakh (ex-showroom).

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2. Kia Seltos

Best Mileage Diesel Cars Under 20 Lakhs
Kia Seltos – Best Mileage Diesel Cars Under 20 Lakhs

The Kia Seltos has gained immense popularity in the Indian market due to its captivating design, spacious interior, premium features, and smooth performance. It offers two diesel engine options: a 1.5L CRDi engine generating 115HP and 250nm of torque and a 1.5L CRDi VGT engine with the same power output. You can choose between a 6-speed manual or a 6-speed automatic transmission based on your preference. The Seltos boasts a 10.25-inch touchscreen infotainment system, UVO connected car technology, sunroof, ventilated seats, and advanced safety features like six airbags, ESC, and hill assist control.


  • Stylish and spacious cabin
  • Smooth and efficient engines
  • Loaded with features


  • Diesel automatic variants can be pricey
  • Rear seat headroom might be a concern
  • Service network availability in remote areas

The Kia Seltos is priced between Rs. 12.39 lakh to Rs. 13.69 lakh (ex-showroom).

3. Hyundai Creta

Hyundai Creta
Hyundai Creta

The Hyundai Creta is another popular contender in the compact SUV segment, giving tough competition to the Kia Seltos. Equipped with a 1.5L CRDi engine producing 115HP and 250nm of torque, the Creta ensures a smooth and refined performance. You have the option to choose between a 6-speed manual or a 6-speed automatic transmission. Hyundai’s focus on a premium and feature-rich cabin is evident with the inclusion of a panoramic sunroof, a 10.25-inch touchscreen infotainment system, BlueLink connected car technology, ventilated seats, wireless charging, and advanced safety features.


  • Premium and comfortable cabin
  • Smooth and refined engine performance
  • Packed with features


  • Polarising exterior design
  • Diesel automatic variants can be expensive
  • Rear seat legroom might be limited for taller passengers

The Hyundai Creta is priced between Rs. 11.96 lakh to Rs. 14.52 lakh (ex-showroom).

Best Mileage: Diesel Cars Under 15 Lakhs

4. Tata Harrier

Tata Harrier
Tata Harrier

New Tata Harrier is a mid-size SUV that combines power, space, and rugged aesthetics. Powered by a 2.0L Kryotec diesel engine, the Harrier delivers a robust 170HP and 350nm of torque. You can opt for either a 6-speed manual or a 6-speed automatic transmission. The Harrier’s feature list includes an 8.8-inch touchscreen infotainment system, iRA connected car technology, panoramic sunroof, cruise control, six airbags, ESP with terrain response modes, and hill descent control.


  • Powerful and torquey engine
  • Spacious and plush cabin
  • Rugged and imposing looks


  • Cabin noise can be an issue
  • Fit and finish quality may not be consistent
  • Limited service network in remote areas

The Tata Harrier is priced at Rs. 15 lakh (ex-showroom).

5. Mahindra XUV700

Mahindra XUV700
Mahindra XUV700

The Mahindra XUV700 is the latest contender in the mid-size SUV segment, targeting rivals like the Tata Harrier, MG Hector, and Hyundai Alcazar. It offers two diesel engine options: a 2.2L mHawk engine generating 155HP and 360nm and a more powerful 2.2L mHawk engine producing 185HP and 420nm. You can choose between a 6-speed manual or a 6-speed automatic transmission. The XUV700 boasts a plethora of features, including a 10.25-inch touchscreen infotainment system, AdrenoX connected car technology, panoramic sunroof, dual-zone climate control, seven airbags, ABS with EBD, ESP, and hill hold control.


  • Powerful and efficient engines
  • Feature-loaded and modern cabin
  • Aggressive and attractive design


  • Quality issues reported by some users
  • High demand might lead to longer waiting periods
  • Service network availability in certain regions

The Mahindra XUV700 is priced between Rs. 14.45 lakh to Rs. 14.95 lakh (ex-showroom).

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In conclusion, the diesel cars market in India offers a wide array of choices under 20 lakhs. Each car on this list has its own set of strengths and weaknesses. The Mahindra Thar (LX) impresses with its rugged charm and feature-packed interior, while the Kia Seltos and Hyundai Creta stand out for their stylish designs and premium features. The Tata Harrier and Mahindra XUV700 offer power-packed performances and spacious cabins.

When making your decision, consider your driving preferences, lifestyle, and budget. Assess the pros and cons of each car to find the perfect match that meets your requirements.


Are diesel cars more fuel-efficient than petrol cars?

Diesel cars are generally more fuel-efficient than petrol cars, especially for long-distance driving. They offer better mileage and are well-suited for highway trips.

What is the maintenance cost of diesel cars?

The maintenance cost of diesel cars can vary depending on the model and brand. In general, diesel cars may have slightly higher maintenance costs than petrol cars, but the difference is not significant.

Can I use biofuels in diesel cars?

Many modern diesel engines are compatible with biofuels, such as biodiesel

Can I use biofuels in diesel cars?

Many modern diesel engines are compatible with biofuels, such as biodiesel, which are derived from renewable sources. However, it’s essential to check your car’s manufacturer recommendations and ensure that the biofuel meets the required specifications.

What is the average lifespan of a diesel car?

Diesel cars, with proper maintenance and care, can last for a long time, often exceeding 200,000 kilometers or more. Regular servicing, timely oil changes, and following the manufacturer’s guidelines can extend the lifespan of your diesel car.

Is the resale value of diesel cars higher than petrol cars?

Historically, diesel cars tend to have higher resale values than petrol cars due to their better fuel efficiency and lower running costs. However, this can vary depending on market trends and demand for specific models.

Are diesel cars more suitable for off-road adventures?

Yes, diesel cars, especially SUVs with 4×4 capabilities like the Mahindra Thar and Tata Harrier, are well-suited for off-road adventures. Their torque-rich engines provide excellent low-end power, making them capable of tackling rough terrains with ease.

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