Spark

1.0 Liter SOHC S-TEC II
14-15km/L

Aveo's (2 Variants)

Sedan
1.4 L DOHC E-TEC II
9- 12 Km/L

Hatchback (2 Variants)
1.5 L SOHC E-TEC II
9-11 KM/L

1.2L SOHC S-TEC II
11- 14 KM/L

Optra's

1.6 L DOHC E-TEC II/ D-TEC II
7-10 Km/L

1.8 L DOHC E-TEC II
Unknown.