Tata Sierra is a lifestyle SUV launched towards the end of 2025 whereas Hyundai Creta is a mid-size SUV which was first launched in 2015. The latest facelift of Creta was launched in 2024 and both Sierra and Creta belong to the C-SUV segment. Tata Sierra comes with the 1.5-litre Naturally Aspirated (NA) petrol, 1.5-litre turbo petrol, and 1.5-litre diesel engine. Hyundai also offers a 1.5-litre NA petrol, 1.5-litre turbo petrol, and 1.5-litre diesel engine. The diesel variants offer the best mileage of up to 21.8 kmpl in the lineup of Hyundai Creta. The diesel manual variant of Sierra offers the best mileage of up to 21.26 kmpl in its lineup.
Though the claimed mileage of these cars are close to each other, the real-world mileage may differ greatly. In this blog, we will discuss the fuel-efficiency of each powertrain of Sierra and Creta to determine the best vehicle in the department of mileage.
Table of Contents
Tata Sierra vs Hyundai Creta Specs
Some key details regarding the specs of Tata Sierra and Hyundai Creta are mentioned below:
| Specification | Tata Sierra | Hyundai Creta |
| Engine | 1.5-litre Revotron NA Petrol Engine1.5-litre TGDi Petrol Engine1.5-litre Kryojet Diesel Engine | 1.5-litre NA Petrol1.5-litre Diesel 1.5-litre turbo petrol |
| Displacement | Petrol: 1498 cc (both NA and Turbo petrol)Diesel: 1497 cc | Petrol: 1497cc (NA), 1493 cc (Turbo Petrol)Diesel: 1482 cc |
| Power | Petrol: 105 bhp to 160 bhpDiesel: Up to 118 bhp | Petrol: 113-158 bhpDiesel: 114 bhp |
| Torque | Petrol: 145 to 255 NmDiesel: 280 Nm | Petrol: 144-253 NmDiesel: 250 Nm |
| Transmission | 6-speed manual transmission (MT)6-speed automatic transmission (AT)7-speed dual-clutch transmission (DCT) | 6-speed MT 6-speed TC, IVT7-Speed DCT |
| Drive layout | Front Wheel Drive (FWD) | Front Wheel Drive (FWD) |
| Kerb weight | Petrol: 1400 kgDiesel: 1600 kg | Petrol: 1175 kgDiesel: 1305 kg |
| Fuel tank capacity | 50 litres | 50 litres |
The power and torque figures of Creta and Sierra are almost identical but the diesel engine of Sierra generates a much better torque than the diesel engine of Creta. Also, there is a substantial difference in the kerb weight of both these cars as Sierra is almost 225 to 295 kgs heavier than Creta (depending upon the engine and variant). The higher kerb weight of Sierra models and the slightly better power and torque specs are the main reasons behind its lower mileage as compared to the Creta variants.
Tata Sierra vs Hyundai Creta: ARAI Mileage Figures
ARAI mileage figures are always better than the real-world mileage figures. This happens because the ARAI mileage tests are performed under controlled conditions in the lab with negligible load and smooth driving conditions. The below table talks about the ARAI mileage figures of Tata Sierra and Hyundai Creta in detail:
| Engine & Transmission | Fuel Type | Tata Sierra – ARAI Mileage (km/l) | Hyundai Creta – ARAI Mileage (km/l) |
| 1.5L MPi / NA Petrol – 6MT (Manual) | Petrol | 17.40 | 17.4 |
| 1.5L MPi / NA Petrol – CVT / IVT | Petrol | 16.90 (7-Speed DCT / NA equivalent) | 17.7 |
| 1.5L Turbo GDi – DCT / Torque Converter | Turbo Petrol | 15.30 | 18.4 |
| 1.5L CRDi / Turbo Diesel – 6MT (Manual) | Diesel | 21.26 | 21.8 |
| 1.5L CRDi / Turbo Diesel – 6AT (Automatic) | Diesel | 19.22 | 19.1 |
From the above table, it is clear that the claimed mileage of Hyundai is slightly better than the claimed mileage of Creta with almost all the powertrains. However, the claimed mileage of Tata Sierra 1.5-litre NA with manual transmission and 1.5-litre diesel with automatic transmission is higher than the similar powertrains in Creta’s lineup.
Tata Sierra Vs Hyundai Creta: Real World Fuel-Efficiency
The below table highlights real world mileage figures for all fuel types and transmission options of both cars:
| Tata Sierra (1.5-litre NA Petrol) | Hyundai Creta (1.5-litre Na Petrol) | |
| City | Manual: 7 km/lAutomatic (DCT): 9 km/l | Manual: 10.5 km/lCVT: 12 km/l |
| Highway | Manual: 12 km/lAutomatic (DCT): 14 km/l | Manual: 15 km/lCVT: 16.5 km/l |
| Average | Manual: 9.5 km/lAutomatic (DCT): 11 km/l | Manual: 12.5 km/lCVT: 13.8 km/l |
| Tank range | 450 to 550 km | 600 to 750 km |
| Tata Sierra (1.5-litre Turbo Petrol) – Sold Exclusively with 6-Speed TC | Hyundai Creta (1.5-litre Turbo Petrol) | |
| City | Automatic (Torque Converter): 8.9 km/l | DCT: 9.5 km/liMT: 11 km/l |
| Highway | Automatic (Torque Converter): 13.7 km/l | DCT: 15.5 km/liMT: 17.5 km/l |
| Average | Automatic (Torque Converter): 10.1 km/l | DCT: 12. km/liMT: 13.5 km/l |
| Tank range | 383 to 685 km | 570 to 680 km |
| Tata Sierra (1.5-litre Diesel) | Hyundai Creta (1.5-litre Diesel) | |
| City | Manual: 13 km/lAutomatic: 11.5 km/l | Manual: 13 km/lAutomatic: 15.5 km/l |
| Highway | Manual: 15.5 km/lAutomatic: 14.6 km/l | Manual: 18 km/lAutomatic: 21.8 km/l |
| Average | Manual: 14.25 km/lAutomatic: 13.05 km/l | Manual: 15.5. km/lAutomatic: 17.8 km/l |
| Tank range | 575 to 810 km | 775 to 1000 km |
From the above tables it is clear the Hyundai Creta delivers better mileage across the variants and its overall tank-to-tank range is also higher than Tata Sierra.
Also Read: How to Increase Hyundai Creta Mileage
Tata Sierra vs Hyundai Creta: Fuel Cost Comparison
The below table shows the monthly, yearly, and 5-yearly fuel cost comparison of Tata Sierra and Hyundai Creta considering the monthly running of 1500 kms for both the cars. The latest price of petrol (Rs. 111.52) and diesel (Rs. 98.15) recorded in Pune in the month of August 2026 are considered while calculating these costs.
| Sierra NA Petrol | Creta Na Petrol | Sierra Turbo Petrol | Creta Turbo Petrol | |
|---|---|---|---|---|
| Monthly Running | 1500 km | 1500 km | 1500 km | 1500 km |
| Monthly Fuel Use | 146 L | 113 L | 148 L | 125 L |
| Average Monthly Fuel Cost | ₹ 16,281 | ₹12,608 | ₹ 16,504 | ₹ 14005 |
| Average Yearly Fuel Cost | ₹ 1.95 lakh | ₹ 1.51 lakh | ₹ 1.98 lakh | ₹ 1.68 lakh |
| 5-Year Fuel Cost | ₹ 9.75 lakh | ₹ 7.56 lakh | ₹ 9.9 lakh | ₹ 8.40 lakh |
| Sierra Diesel | Creta Diesel | |
|---|---|---|
| Monthly Running | 1500 km | 1500 km |
| Monthly Fuel Use | 110 L | 85 to 90 L |
| Average Monthly Fuel Cost | ₹ 10,796 | ₹ 8344 to ₹ 8853 |
| Average Yearly Fuel Cost | ₹ 1.29 lakh | ₹ 1 to 1.06 lakh |
| 5-Year Fuel Cost | ₹ 6.45 lakh | ₹ 5 to 5.31 lakh |
The higher fuel-consumption of Sierra cars than Creta models, both in petrol and diesel variants translate to an overall higher monthly, yearly, and 5-yearly fuel costs. The difference is more significant in the petrol and turbo petrol variants as compared to the diesel cars.
Also Read: Tata Sierra Real World Mileage
Tata Sierra vs Hyundai Creta Price
The prices of Sierra models (from base to top) and Hyundai Creta models (from base to top) are given below:
| Model | Variant (Base to Top) | Price (Ex-Showroom) |
| Hyundai Creta | E Petrol to SX(O)/N Line | ₹ 10.91 to ₹ 20.20 lakh |
| Tata Sierra | Smart+ to Accomplished+ | ₹ 11.49 to ₹ 21.29 lakh |
Tata Sierra turns out to be the more expensive car overall but the difference in their prices is not huge if we compare their base and top models.
Summary
When we compare Hyundai Creta vs Tata Sierra in terms of fuel-efficiency, Hyundai Creta proves to be the better option. The higher kerb weight and boxy design of Sierra affects its overall fuel-efficiency. The Sierra diesel variants offer a decent mileage on the highways and can be a great option for those who drive 50 to 70 km on a daily basis. Yet, the Creta diesel models prove to be better here as well in terms of fuel-economy. The Creta proves to be the better choice for city driving in both petrol and turbo fuel options. So, after considering these points, it is safe to say that Creta is the winner in terms of overall fuel-efficiency while Sierra can provide a great blend of power, performance, and fuel-efficiency with some select powertrain configurations.
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FAQs About Tata Sierra vs Hyundai Creta Mileage
Q. Which car offers better fuel-efficiency: Tata Sierra or Hyundai Creta?
Creta is a clear winner as far as NA petrol and turbo petrol variants as concerned. The difference between the fuel-efficiency is negligible when we compare the diesel variants, especially with the manual transmission. However, Creta holds a slight advantage over Sierra here as well.
Q. Which diesel models of Sierra can offer better mileage than Creta?
The automatic diesel models of Sierra provide better mileage than the diesel variants of Creta, especially when it comes to highway driving. However, Creta holds the advantage over Sierra when it comes to city driving.
Q. Why does Sierra deliver low fuel-efficiency in the city?
The higher kerb weight along with the lack of automatic start/stop feature during idling affects the fuel-efficiency of Sierra in the city.
Q. Which SUV is preferable among Sierra and Creta if my monthly running is on the higher side?
The diesel variants of Hyundai Creta proves to be an overall better option in terms of mileage if your monthly running is on the higher side. However, if you drive more on the highways than in the city, the Sierra could also prove to be a great option.
Q. Which features in Creta make it more fuel-efficient than Sierra in real-world conditions?
The aerodynamic design, refined engine, lower kerb weight, and features such as idle engine start-stop make Hyundai Creta more fuel-efficient than Tata Sierra in real-world conditions.
