G Class stars have the following characteristics.
- Temperature: 5,200 -> 6,000 Kelvin
- Colour: Yellow -> Yellow-white
- Mass: 0.8 -> 1.04 Solar masses
- Radius: 0.96 -> 1.15 Solar radius
- Luminosity: 0.6 -> 1.5 Solar luminosities.
- Rarity: 7.6% of all main sequence stars.
Example: Our Sun
See related link for more information.