For years, the Tata Harrier was exclusively a diesel proposition. That changed with the introduction of the 1.5-litre Hyperion turbo-GDI petrol engine—the same unit powering the Sierra, but tuned to deliver 10hp and 30Nm more. The petrol variant also gets additional features currently unavailable on its diesel counterpart. Here are the key differences between the petrol and diesel variants of the Tata Harrier.
- Harrier petrol exclusively gets the 14.5-inch QLED screen
- New Fearless Ultra trim introduced with Harrier petrol
Tata Harrier petrol vs diesel: features
New QLED screen exclusively available on Fearless Ultra
The Fearless Ultra trim — available only in petrol — centers on a 14.5-inch Samsung Neo QLED infotainment screen, replacing the diesel’s 12.3-inch unit. Complementing the display is Dolby Atmos audio through a 10-speaker JBL system that adds a central speaker absent on the diesel variants. Additionally, it also gets a new digital interior rearview mirror with dual integrated dashcams, and a new washer function for the front and rear cameras.
The tech upgrades also include Mappls auto navigation that replaces Map My India in the diesel variants, along with a 65W USB Type-C fast charger — an upgrade from the 45W unit seen on the diesel variants. The ADAS Level 2+ suite adds an Intelligent Speed Assist (Map) feature, which is unavailable on the diesel.
The petrol variant also gets a new Nitro Crimson exterior paint shade and lighter upholstery on the inside, with a dual-tone dashboard and wooden finish in the middle that further distinguishes it from the diesel versions.
Tata Harrier petrol vs diesel: mechanical differences
Petrol engine produces power on par with diesel
The 1.5-litre Hyperion delivers 170hp and 280 Nm, whereas the 2.0-litre Kryotec diesel produces identical power but pushes 350 Nm — 70 Nm more through a narrower 1,000 rpm band. Both are offered with six-speed manual or automatic transmissions. Notably, Tata claims that the petrol variant weighs 80kg less, which improves the front-axle loading for sharper turn-in and reduces understeer. However, there wasn’t any handling difference noticed in the initial road tests.
| Specifications & price | Tata Harrier Diesel | Tata Harrier Petrol |
| Engine | 2.0-litre diesel | 1.5-litre turbo-petrol |
| Power (hp) | 170 | 170 |
| Torque (Nm) | 280 | 350 |
| Gearbox | Six-speed manual/ six-speed AT | Six-speed manual/ six-speed AT |
The Hyperion engine employs Miller cycle combustion, cooling intake air before injection for improved efficiency. This technology generates strong low-end torque—delivering 160 Nm from just 1,000 rpm, creating diesel-like initial response. The torque plateau extends—1,000 rpm wider than the diesel’s window—meaning the engine remains in its sweet spot longer, requiring fewer gear changes.
The Harrier Petrol prices are not yet announced, but we expect it to be around Rs 50,000 to Rs 80,000 cheaper than the diesel, ranging from around Rs 13 lakh to Rs 24.5 lakh.
All prices are ex-showroom
