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The Tata Sierra offers an ARAI-claimed mileage of up to 21.3 km/l, making it a fuel-efficient option in the SUV segment. The actual mileage may vary depending on the engine type, transmission choice, driving conditions, and driving style. Based on the selected variant, the Tata Sierra mileage ranges between 15.3 km/l and 21.3 km/l.
The petrol variants deliver an expected fuel efficiency ranging from 15.3 km/l to 17.4 km/l, while the diesel variants offer better mileage figures, ranging from 19.2 km/l to 21.3 km/l. This makes the diesel versions more suitable for buyers looking for higher fuel efficiency and lower running costs, especially for long-distance driving.

Overall Tata Sierra mileage: 15.3 km/l to 21.3 km/l (ARAI claimed)
Tata Sierra Petrol Mileage: 15.3 km/l to 17.4 km/l
Tata Sierra Diesel Mileage: 19.2 km/l to 21.3 km/l
Highest claimed mileage: 21.3 km/l (Diesel variant)
Lowest claimed mileage: 15.3 km/l (Petrol variant)
The Tata Sierra petrol variants are available with manual, DCT, and torque converter automatic transmissions. The ARAI-certified petrol mileage of Tata Sierra ranges from 15.3 km/l to 17.4 km/l, depending on the variant and gearbox.
| Tata Sierra Petrol Variant | Transmission | ARAI Mileage |
|---|---|---|
| Smart Plus Petrol 1.5L | Manual | 17.4 km/l |
| Pure Petrol 1.5L | Manual | 17.4 km/l |
| Pure Plus Petrol 1.5L | Manual | 17.4 km/l |
| Adventure Petrol 1.5L | Manual | 17.4 km/l |
| Adventure Plus Petrol 1.5L | Manual | 17.4 km/l |
| Accomplished Petrol 1.5L | Manual | 17.4 km/l |
| Pure Petrol 1.5L | DCT Automatic | 16.9 km/l |
| Pure Plus Petrol 1.5L | DCT Automatic | 16.9 km/l |
| Adventure Petrol 1.5L | DCT Automatic | 16.9 km/l |
| Adventure Plus Petrol 1.5L Turbo | Automatic (TC) | 15.3 km/l |
| Accomplished Petrol 1.5L Turbo | Automatic (TC) | 15.3 km/l |
| Accomplished Plus Petrol 1.5L Turbo | Automatic (TC) | 15.3 km/l |
The Tata Sierra diesel variants are offered with both manual and automatic transmission options. The ARAI-certified diesel mileage of Tata Sierra ranges from 19.2 km/l to 21.3 km/l, with the manual variants delivering the highest claimed fuel efficiency.
| Tata Sierra Diesel Variant | Transmission | ARAI Mileage |
|---|---|---|
| Smart Plus Diesel 2.0L | Manual | 21.3 km/l |
| Pure Diesel 2.0L | Manual | 21.3 km/l |
| Pure Plus Diesel 2.0L | Manual | 21.3 km/l |
| Adventure Diesel 2.0L | Manual | 21.3 km/l |
| Adventure Plus Diesel 2.0L | Manual | 21.3 km/l |
| Accomplished Diesel 2.0L | Manual | 21.3 km/l |
| Pure Diesel 2.0L | Automatic | 19.2 km/l |
| Pure Plus Diesel 2.0L | Automatic | 19.2 km/l |
| Adventure Diesel 2.0L | Automatic | 19.2 km/l |
| Adventure Plus Diesel 2.0L | Automatic | 19.2 km/l |
| Accomplished Diesel 2.0L | Automatic | 19.2 km/l |
| Accomplished Plus Diesel 2.0L | Automatic | 19.2 km/l |
The Tata Sierra is available with both 1.5-litre turbo-petrol and 2.0-litre turbo-diesel engine options. Both engines are paired with manual and automatic transmissions, allowing buyers to choose between performance, efficiency, and driving convenience.
Petrol Engine: 1.5-litre turbocharged petrol engine with a displacement of 1,498 cc.
Diesel Engine: 2.0-litre turbocharged diesel engine with a displacement of 1,956 cc.
Power Output: Both petrol and diesel engines produce 168 bhp of maximum power.
Torque: The petrol engine generates 280 Nm, while the diesel engine produces 350 Nm of peak torque.
Transmission Options: The petrol engine is available with a 6-speed manual, 7-speed DCT, and 6-speed automatic, whereas the diesel engine comes with a 6-speed manual and 6-speed automatic gearbox.
Drive Type: All Tata Sierra variants are offered with a Front-Wheel Drive (FWD) drivetrain.
No. of Cylinders: Both engine options feature a 4-cylinder configuration.
The Tata Sierra's real-world mileage is influenced by traffic conditions, driving style, road quality, and the transmission you choose. While city driving typically results in lower fuel efficiency due to frequent braking and stop-and-go traffic, the Sierra delivers better mileage on highways where it can maintain a steady cruising speed.
| Fuel Type | City Mileage (Approx.) | Highway Mileage (Approx.) |
|---|---|---|
| Petrol | 12–14 km/l | 16–18 km/l |
| Diesel | 16–18 km/l | 20–22 km/l |
Note: The figures above are estimated real-world mileage and may vary depending on the variant, transmission, traffic conditions, road quality, vehicle load, and driving habits. The highway mileage is generally closer to the ARAI-certified figures, while city mileage tends to be lower due to frequent acceleration and braking.
You can improve your Tata Sierra's fuel efficiency by following a few simple driving and maintenance practices:
Under-inflated tyres increase rolling resistance and reduce mileage.
Regular engine oil changes, air filter replacements, and scheduled maintenance help the engine perform efficiently.
Avoid sudden acceleration, harsh braking, and aggressive driving, as they consume more fuel.
Turn off the engine if you're waiting for more than a minute to prevent fuel wastage.
Cruising at a consistent speed of around 80–100 km/hr generally delivers better fuel efficiency.
Remove unnecessary luggage or accessories that increase the vehicle's load.
Shift gears at the recommended RPM to keep the engine operating efficiently.
Combining multiple errands into one journey reduces cold starts and improves overall fuel economy.
The Tata Sierra competes with several popular midsize SUVs in India. Here's how its claimed mileage compares with its rivals.
| SUV | Engine Options | Claimed Mileage |
|---|---|---|
| Tata Sierra | 1.5L Turbo Petrol, 2.0L Diesel | 15.3–21.3 km/l |
| Hyundai Creta | 1.5L Petrol, 1.5L Turbo Petrol, 1.5L Diesel | 17.4–21.8 km/l |
| Kia Seltos | 1.5L Petrol, 1.5L Turbo Petrol, 1.5L Diesel | 17.7–20.7 km/l |
| Maruti Suzuki Grand Vitara | 1.5L Petrol, 1.5L Strong Hybrid | 19.4–27.97 km/l |
| Toyota Urban Cruiser Hyryder | 1.5L Petrol, 1.5L Strong Hybrid | 20.6–27.97 km/l |
| Mahindra XUV700 | 2.0L Turbo Petrol, 2.2L Diesel | 13.0–17.0 km/l |
Yes, the Tata Sierra offers competitive fuel efficiency for a midsize SUV, especially if you choose the diesel variant. With an ARAI-claimed mileage of up to 21.3 km/l, it stands among the more fuel-efficient diesel SUVs in its segment.
The 1.5-litre turbo-petrol engine is better suited for buyers with lower annual running and predominantly urban usage.
The 2.0-litre diesel engine offers better mileage, stronger torque, and lower fuel costs over long distances.
Buyers who frequently travel more than 15,000–20,000 km annually will generally benefit from the diesel variant due to its superior fuel efficiency.
While it doesn't match the exceptional mileage of strong hybrid SUVs like the Grand Vitara or Hyryder, the Tata Sierra delivers a well-rounded combination of performance, refinement, and fuel economy, making it a practical choice for most buyers. Pairing it with a comprehensive car insurance can also help protect against unexpected financial losses.
The Tata Sierra offers an ARAI-claimed mileage ranging from 15.3 km/l to 21.3 km/l, depending on the fuel type, variant, and transmission. The petrol variants deliver up to 17.4 km/l, while the diesel variants offer up to 21.3 km/l.
The Tata Sierra diesel manual variants offer the highest claimed fuel efficiency, delivering up to 21.3 km/l as per ARAI figures.
Yes. The Tata Sierra is well suited for daily commuting, especially the petrol variants for city driving. It offers a comfortable ride, modern features, and competitive fuel efficiency for everyday use.
The real-world mileage depends on traffic, road conditions, driving style, and vehicle maintenance. Petrol variants are expected to return around 13–16 km/l, while diesel variants can deliver approximately 17–20 km/l under normal driving conditions.
The Tata Sierra comes with a 60-litre fuel tank, allowing it to cover long distances with fewer fuel stops.
The Tata Sierra petrol mileage ranges from 15.3 km/l to 17.4 km/l (ARAI claimed), depending on the variant and transmission.
The Tata Sierra diesel mileage ranges from 19.2 km/l to 21.3 km/l (ARAI claimed), with the manual variants offering the highest fuel efficiency.
Yes. The diesel variants offer significantly better mileage than the petrol variants. They are ideal for buyers with higher annual running or those who frequently undertake long-distance journeys.
Yes. The Tata Sierra is a good choice for highway driving, particularly the diesel variant, thanks to its strong torque, comfortable ride quality, higher fuel efficiency, and long driving range.