Final Weekend TV Ratings
NASCAR ratings continue to plummet, where IndyCar had a nice positive bump to watch Alexander Rossi win at Watkins Glen
| Network | Event | Location | Day | Viewers 2+ | 18-49 Viewers | 2017 Rating | 2016 Rating | % Change |
| NBCSN | NASCAR Cup Race | Darlington | Sun | 3.103 M | 0.757 M | 1.82 | 2.81 | -35.3% |
| NBCSN | NASCAR Xfinity Race | Darlington | Sat | 1.109 M | 0.190 M | 0.68 | 0.99 | -31.2% |
| NBCSN | NASCAR Cup Quals | Darlington | Sat | 0.615 M | 0.100 M | 0.48 | – | – |
| NBCSN | IndyCar Race | Watkins Glen | Sun | 0.604 M | 0.129 M | 0.41 | 0.29 | +41.3% |
| NBCSN | F1 Race | Monza | Sun | 0.508 M | 0.139 M | 0.32 | 0.30 | +6.7% |
| FS1 | NASCAR Truck Race | Mosport | Sun | 0.493 M | 0.101 M | 0.32 | – | – |
| FS1 | NHRA Quals | Indy | Sun | 0.446 M | 0.122 M | 0.27 | – | – |
M = Million