SONIC
Year Engine Original Power Stage 1 Difference Vmax ECU
2012 1.8L 139 Hp 130 Lb-Ft 151 Hp 142 Lb-Ft 12 hp ✓* E83B
2012-2013 1.6L 115 Hp 114 Lb-Ft 127 Hp 125 Lb-Ft 12 hp ✓* E83B
2012-2019 1.4L 140 Hp 148 Lb-Ft 165 Hp 180 Lb-Ft 25 hp ✓* E78
2012-2019 1.8L 139 Hp 130 Lb-Ft 151 Hp 142 Lb-Ft 12 hp ✓* E78

*Depends on the software version