Is Tata Harrier E20 compliant?
Your car can safely use E20 petrol. You may notice a minor 2-4% mileage difference, which is normal.
E20 compatible from: 2023 onwards
Expected mileage impact: 2–4% reduction(SIAM & Government of India data)
Tata warranty: 3 years / 1,00,000 km. E20 use fully covered under warranty.
Year-wise E20 compliance status
Fearless Ultra
diesel · manual
Fearless Ultra Automatic
diesel · automatic
Adventure X
diesel · manual
Adventure X
petrol · manual
Adventure X + AT
diesel · automatic
Adventure X Automatic
petrol · automatic
Adventure
diesel · manual
Adventure Plus A AT
diesel · automatic
Kaziranga XZ Plus
diesel · manual
Kaziranga XZA Plus
diesel · automatic
XT Dark Edition
diesel · manual
XTA Plus
diesel · automatic
XE
diesel · manual
XMA
diesel · automatic
XE
diesel · manual
| Year | Variant | Fuel | Transmission | E20 Status |
|---|---|---|---|---|
| 2026 | Fearless Ultra | diesel | manual | -Not Applicable (Diesel/CNG/EV) |
| Fearless Ultra Automatic | diesel | automatic | -Not Applicable (Diesel/CNG/EV) | |
| 2025 | Adventure X | diesel | manual | -Not Applicable (Diesel/CNG/EV) |
| Adventure X | petrol | manual | ✓E20 Compatible | |
| Adventure X + AT | diesel | automatic | -Not Applicable (Diesel/CNG/EV) | |
| Adventure X Automatic | petrol | automatic | ✓E20 Compatible | |
| 2023 | Adventure | diesel | manual | -Not Applicable (Diesel/CNG/EV) |
| Adventure Plus A AT | diesel | automatic | -Not Applicable (Diesel/CNG/EV) | |
| 2022 | Kaziranga XZ Plus | diesel | manual | -Not Applicable (Diesel/CNG/EV) |
| Kaziranga XZA Plus | diesel | automatic | -Not Applicable (Diesel/CNG/EV) | |
| 2021 | XT Dark Edition | diesel | manual | -Not Applicable (Diesel/CNG/EV) |
| XTA Plus | diesel | automatic | -Not Applicable (Diesel/CNG/EV) | |
| 2020 | XE | diesel | manual | -Not Applicable (Diesel/CNG/EV) |
| XMA | diesel | automatic | -Not Applicable (Diesel/CNG/EV) | |
| 2019 | XE | diesel | manual | -Not Applicable (Diesel/CNG/EV) |
Other Tata models
Calculate your E20 mileage impact.
Find out exactly how much E20 fuel will cost you per month with our free calculator.
Open Mileage CalculatorTata Harrier E20 FAQ
Is Tata Harrier E20 compatible?
Yes, the Tata Harrier is fully E20 compatible. All variants can safely run on E20 petrol (20% ethanol blend).
What happens if I use E20 petrol in my Tata Harrier?
Your Harrier is designed for E20 fuel. You may notice a minor 1-3% mileage reduction compared to E10, but no engine damage or compatibility issues.
How much mileage will I lose with E20 in Tata Harrier?
E20-compatible Harrier models typically see a 1-3% mileage reduction. For example, if you currently get 20 km/l, expect around 19.4-19.8 km/l on E20.