The Soul Hybrid features Kia’s Gamma 1.6-litre petrol engine, mated to a 15kW, 105Nm AC synchronised electric motor. This combined with Kia's own CVT (continuously variable transmission), Idle Stop&Go technology plus ‘regenerative braking’ to recharge it’s power pack, enables this model to achieve a fuel consumption of 57.6mpg and a CO2 figure of 117g/km.