Powertrain
Both SUVs offer three engine options. The 2026 Kia Seltos continues with the familiar 1.5-litre naturally aspirated petrol (113 bhp, 144 Nm), 1.5-litre turbo-petrol (158 bhp, 253 Nm) and 1.5-litre diesel (114 bhp, 250 Nm). Transmission choices include 6-speed manual, iMT, IVT, 7-speed DCT and 6-speed torque-converter automatic depending on the engine.
| | 2026 Kia Seltos | Tata Sierra |
| Engines | - 1.5L NA Smartstream Petrol - 1.5L T-GDi Smartstream Petrol - 1.5L CRDi VGT Diesel | - 1.5L NA Revotron Petrol - 1.5L TGDi Hyperion Petrol - 1.5L Kryojet Diesel |
Gearbox Options | - 6 MT / IVT (NA Petrol) - 6 iMT / 7 DCT (Turbo Petrol) - 6 MT / 6 AT (Diesel) | - 6 MT / 7 DCT (NA Petrol) - 6 TC AT (Turbo Petrol) - 6 MT / 6 TC AT (Diesel) |
| Power | - 113 bhp (NA Petrol) - 158 bhp (Turbo Petrol) - 114 bhp (Diesel) | - 104 bhp (NA Petrol) - 158 bhp (Turbo Petrol) - 116 bhp (Diesel) |
| Torque | - 144 Nm (NA Petrol) - 253 Nm (Turbo Petrol) - 250 Nm (Diesel) | - 145 Nm (NA Petrol) - 255 Nm (Turbo Petrol) - 260-280 Nm (Diesel) |
The Tata Sierra mirrors the lineup with a 1.5-litre NA petrol (104 bhp, 145 Nm), 1.5-litre turbo-petrol (158 bhp, 255 Nm) and 1.5-litre diesel (116 bhp, 260-280 Nm). It offers 6-speed manual, 7-speed DCT and 6-speed torque-converter automatic options. Performance is nearly identical in the turbo-petrol department, while the Sierra’s diesel has a slight torque advantage.