Sunoco Standard™ Sunoco Supreme™ Sunoco Maximal™ Sunoco GT™ 100 Unleaded
Fuel Property Typical Specifications Typical Specifications Typical Specifications Typical Specifications

Specific Gravity

0.725 0.715 0.700 0.760

Antiknock Index (R+M)/2

110 112 116 100
Research Octane

115

114

118

105

Motor Octane

105

110

114

95

Reid Vapor Pressure

8

8

6

8

Distillation,°F

Initial Boiling Point

90

90

100

90

10% Evaporation

160

155

150

150

50% Evaporation

220

215 220 210
90% Evaporation
260 235 230 230
Final Boiling Point 360 260 260 260

Lead

YES YES YES NO
Color Purple Blue Red Clear
Oxygen 2.7% by volume
Compression 13:1 15:1 17:1

12:1 Domed pistons

14:1 Flat top

RPM Up to 7,200 7,000-10,000 Excess 10,000