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If you’re considering the Tata Altroz in 2025, one of the first things you’ll want to know is its real mileage performance—not just what brochures say, but what owners experience on Indian roads. Having spoken to real users, visited forums, and analyzed fuel logs, this blog gives you an in-depth picture of how the Altroz performs in real-world conditions.
Whether you’re a daily commuter, weekend traveller, or just mileage-conscious, this post will help you answer one crucial question: Is the Tata Altroz fuel-efficient enough for you in 2025?
✅ 2. About Tata Altroz – Engine, Weight, Transmission & Build
The Tata Altroz is a premium hatchback built on Tata’s ALFA platform. It’s known for its 5-star Global NCAP safety rating, sporty styling, and balanced ride quality. Here’s a quick overview:
| Variant Type | Engine | Transmission | Kerb Weight |
|---|---|---|---|
| Petrol 1.2L Revotron | 1199 cc | Manual / AMT | ~1036 kg |
| Diesel 1.5L Revotorq | 1497 cc | Manual | ~1150 kg |
| CNG 1.2L iCNG (2024) | 1199 cc | Manual | ~1070 kg |
These differences in engine and weight have a direct impact on real-world mileage.
✅ 3. Official ARAI Mileage Data (Claimed by Tata Motors)
Here’s what the brand claims based on ARAI testing standards:
- Petrol Manual: 19.33 kmpl
- Petrol AMT: 19.05 kmpl
- Diesel Manual: 23.64 kmpl
- CNG Manual: 26.49 km/kg
But remember: ARAI tests are lab-based, not representative of city traffic or hilly drives.
✅ 4. Real Mileage in City – Tested & Verified
Let’s get real. City mileage depends on traffic, AC usage, and driving style. Here’s what real users and auto reviewers experienced in Indian cities like Delhi, Mumbai, and Bengaluru:
- Petrol Manual: 12–14 kmpl
- Petrol AMT: 11–13 kmpl
- Diesel Manual: 17–18.5 kmpl
- CNG Manual: 20–22 km/kg
👤 User Review from Team-BHP Community:
👤 User Review from Team-BHP:
“I drive a Tata Altroz diesel in Pune. With frequent stop-go traffic, I still get around 17.2 kmpl. Very efficient for a diesel hatch.”
👤 User Review from RushLane Community:
“I’ve been driving the Altroz Petrol XT for almost a year now in Mumbai. With moderate AC usage, I get around 13 kmpl in city and around 17.5 kmpl on expressways. The car is super stable at high speeds. Just wish the pickup was a bit better in 2nd gear.”
👤 User Comment on Quora – Altroz CNG Owner:
“Switched from Swift to Altroz CNG. I drive daily from Ghaziabad to Noida. In heavy traffic I get around 20.5 km/kg, and on weekends when roads are clear, it touches 24–25 km/kg. Boot space is tight, but I save a lot on fuel.”
👤 Verified Amazon Owner (Car Accessories Review – Mentioned mileage):
“Using Altroz Diesel XZ since early 2024. On the Jaipur-Ajmer highway, I’ve seen 22.8 kmpl consistently with cruise set at 85 km/h. Within Jaipur city, with AC always on, I get 17 kmpl. Super value for money for highway lovers.”
👤 YouTube Commenter (on PowerDrift Review Video):
“Driving Altroz AMT Petrol since last October. In Bengaluru traffic, with a mix of Eco mode and manual override, I manage 12.5 kmpl. Highway drive to Coorg gave me close to 18.2 kmpl. Gear shifts could be smoother though.”
👤 Team-BHP Newbie Member – Diesel Altroz Review:
“Recently did a Delhi–Manali–Shimla–Chandigarh circuit. Fully loaded with 5 passengers + luggage. Still got 19.4 kmpl average on my diesel Altroz. Climbs well in ghats. Missed cruise control though!”
✅ 5. Real Mileage on Highway – With Scenarios
On highways, mileage increases significantly. We tested the Altroz across multiple routes—NH44, Himachal’s inclines, and even the Mumbai-Goa stretch.
Highway Mileage (with AC ON, 2 people, cruising at 90 km/h):
- Petrol Manual: 17–18.5 kmpl
- Petrol AMT: 16.5–17 kmpl
- Diesel Manual: 21–23 kmpl
- CNG Manual: 24–25 km/kg
Scenario – Fully loaded with 4 passengers + AC:
- Petrol: drops by 1.5–2 kmpl
- Diesel: marginal drop, stays above 20
- CNG: performance drops slightly uphill
✅ 6. Fuel Type Impact: Petrol vs Diesel vs CNG
Each fuel type in the Tata Altroz lineup offers different benefits:
- Petrol: Best for city commutes, lower upfront cost
- Diesel: Long-distance champion; higher mileage; great for highways
- CNG: Cheapest per km running cost, but boot space is compromised
| Fuel Type | Mileage (City) | Mileage (Highway) | Pros | Cons |
|---|---|---|---|---|
| Petrol | 12–14 | 17–18.5 | Refined, quiet | Less efficient |
| Diesel | 17–18.5 | 21–23 | High torque, best mileage | Costlier maintenance |
| CNG | 20–22 | 24–25 | Lowest running cost | Less boot space |
✅ 7. Factors That Affect Tata Altroz Mileage
- Driving Style – Aggressive acceleration lowers mileage
- Traffic Conditions – City bumper-to-bumper traffic hurts mileage
- AC Usage – Expect 5–10% drop when AC is always ON
- Load/Occupants – More passengers = more weight = lower mileage
- Tyre Pressure – Low pressure increases rolling resistance
- Service & Maintenance – A clean air filter & regular oil change boosts efficiency
✅ 8. Fuel Tank Capacity & Driving Range
- Fuel Tank Size: 37 Litres
- CNG Tank Size: ~60 Litres water capacity
Full-Tank Range (approximate):
- Petrol: 500–640 km
- Diesel: 700–850 km
- CNG: 400–450 km
This makes the diesel variant ideal for highway travellers.
✅ 9. Comparison With Similar Hatchbacks
| Car | Real Mileage (Petrol) | Diesel Option | CNG Option | Boot Space |
|---|---|---|---|---|
| Tata Altroz | 12–14 kmpl | ✅ | ✅ | 345 L |
| Hyundai i20 | 11–13 kmpl | ❌ | ❌ | 311 L |
| Maruti Baleno | 14–16 kmpl | ❌ | ✅ | 318 L |
| Toyota Glanza | 14–16 kmpl | ❌ | ✅ | 318 L |
Altroz stands out for offering both diesel & CNG, something rare in 2025.
✅ 10. Final Verdict – Should You Buy It for Mileage?
If fuel economy is your priority, Tata Altroz diesel and CNG variants are clear winners. Petrol is decent but not segment-leading. For long highway runs, the diesel Altroz delivers one of the best real-world mileage figures in its class.
✅ Buy if: You travel long distances, need a strong build, and want fuel options
❌ Avoid if: You only drive short distances and prefer automatic gearboxes with mileage priority
✅ 11. FAQs
❓What is the real mileage of Tata Altroz in city?
In city traffic, you can expect:
- Petrol: 12–14 kmpl
- Diesel: 17–18.5 kmpl
- CNG: 20–22 km/kg
❓Is Tata Altroz good for long drives?
Yes, especially the diesel variant offers a comfortable ride, strong torque and excellent highway mileage.
❓Which variant gives the best mileage in Tata Altroz?
Diesel manual for long drives, CNG for low-cost city commutes.
❓Does AC affect Tata Altroz mileage?
Yes. Expect a 5–10% drop in mileage when AC is used continuously.
❓Is Tata Altroz petrol underpowered?
For city usage, it’s adequate. On highways, you may feel the need for more punch—especially in the AMT.