Global InformationIROC XIII information
IROC XIII was the thirteenth year of IROC competition, which took place in 1989. it saw the use of the Chevrolet Camaro in all races for the final year, and continued the format introduced in IROC VIII. Race one took place on the Daytona International Speedway, race two took place at Nazareth Speedway, race three ran at Michigan International Speedway, and race four concluded the year at Watkins Glen International. Terry Labonte won the series championship and $204,900.
The roster of drivers and final points standings were as follows: [1]
| Rank | Driver | Points | Winnings | Series |
|---|---|---|---|---|
| 1 |  Terry Labonte |
72 | $204,900 | NASCAR Winston Cup Series 4th in 1988 Winston Cup points |
| 2 | Al Unser Jr. |
60 | $92,500 | CART PPG IndyCar World Series 2nd in 1988 IndyCar points 2 time and defending IROC Champion |
| 3 | Rusty Wallace |
58 | $66,200 | NASCAR Winston Cup Series 2nd in 1988 Winston Cup points |
| 4 | Dale Earnhardt |
57 | $58,900 | NASCAR Winston Cup Series 3rd in 1988 Winston Cup points 3 time Winston Cup champion |
| 5 | Scott Pruett |
51 | $55,700 | IMSA Camel GTO 1988 GTO Champion 1988 24 Hours of Daytona GTO winner |
| 6 | Bill Elliott |
38 | $52,000 | NASCAR Winston Cup Series 1988 Winston Cup champion 2 time Daytona 500 winner |
| 7 | A. J. Foyt |
36 | $54,000 | CART PPG IndyCar World Series 4 time Indianapolis 500 winner 7 time IndyCar Champion IROC III & IROC IV champion |
| 8 | Danny Sullivan |
35 | $49,400 | CART PPG IndyCar World Series 1988 IndyCar champion 1985 Indianapolis 500 winner |
| 9 | Hurley Haywood |
31 | $46,000 | SCCA Trans-Am Series 1988 Trans-Am Champion |
| 10 |  Geoff Brabham 1 |
24 | $44,400 | IMSA Camel GTP 1988 GTP Champion 2 time 24 Hours of Le Mans winner |
| 11 | Rick Mears 1 |
24 | $42,100 | CART PPG IndyCar World Series 3 time Indianapolis 500 winner 3 time IndyCar Champion 4th in 1988 IndyCar points |
| 12 | Richard Petty |
16 | $40,400 | NASCAR Winston Cup Series 7 time Winston Cup Champion 7 time Daytona 500 winner Most ever NASCAR Cup race victories (200) |
- ^ IROC season statistics at racing-reference.info, Retrieved March 9, 2007