Date

Site

Course

Distance
(Miles)

Winner

Car

Speed
(mph)

Speed
(kph)

04/17/83

Atlanta

Oval

200

Gordon Johncock

Wildcat-Cosworth

146.142

235.142

05/29/83

Indianapolis+

Oval

500

Tom Sneva

March-Cosworth

162.117

260.846

06/12/83

Milwaukee

Oval

150

Tom Sneva

March-Cosworth

115.830

186.370

07/03/83

Cleveland

Road

310

Al Unser

Penske-Cosworth

108.202

174.097

07/17/83

Michigan

Oval

500

John Paul Jr.

Penske-Cosworth

134.862

216.993

07/31/83

Elkhart Lake

Road

200

Mario Andretti

Lola-Cosworth

99.410

159.951

08/04/83

Pocono

Oval

500

Teo Fabi

March-Cosworth

134.852

216.977

08/23/83

Riverside

Road

313.500

Bobby Rahal

March-Cosworth

113.678

182.908

09/11/83

Mid-Ohio

Road

200.500

Teo Fabi

March-Cosworth

98.755

158.897

09/18/83

Michigan

Oval

200

Rick Mears

Penske-Cosworth

183.325

294.970

10/08/83

Las Vegas

Oval

200.250

Mario Andretti

Lola-Cosworth

87.192

140.292

10/23/83

Laguna Seca

Road

186.200

Teo Fabi

March-Cosworth

106.943

172.071

10/29/83

Phoenix

Oval

150

Teo Fabi

March-Cosworth

126.671

203.814

+The Indianapolis 500 was USAC-sanctioned, but counted toward the PPG Indy Car World Series title.