The Theta II GDi was announced in November 2009 starting with the 6th generation Sonata, improvements include switching to GDI. Compression ratio is 11.3:1, early versions were rated at 201–203 PS (148–149 kW; 198–200 hp) at 6,300 rpm and 25.5 kg⋅m (184 lb⋅ft; 250 N⋅m) of torque at 4,250 rpm while later versions were rated at 188 PS (138 kW; 185 hp) at 6,000 rpm and 24.6 kg⋅m (178 lb⋅ft; 241 N⋅m) of torque at 4,000 rpm.