<p>The research and hard work from Tata is evident under its hood as well. With the introduction of two new engines i.e. a petrol and a diesel, Tiago seems to be ready to cater to all sorts of buyer. Its Revotron 1.2 litre petrol mill is set to produce 84 horses at a high 6000 rpm along with a peak torque of 114 Nm at 3500 rpm. The petrol unit is a decent performer but the power delivery doesn’t remain the most linear and one might feel the need to downshift and up shift gears quite frequently. Coming to its diesel sibling, which is a three cylinder 1.05 litre Revotorq engine, it churns out a nominal 69 hp of peak power at 4000 rpm and peak torque of 140 Nm between 1800 – 3000 rpm. The figures do seem quite nominal on paper but on the road is where the diesel becomes livelier and performs really well. There is very little turbo lag and power delivery is quite linear with smooth gear shifts. 5 speed manual gear box remains a standard across both the engine types but Tata might soon introduce an auto unit as well. The throttle responses further on both the engines can be controlled through a first in class drive modes offered on the Tiago with the options for opting an ECO or a City mode as well.

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