| Clue | Source | Date |
|---|---|---|
| Luxury car of the early 20th century | New York Times | 05 Apr 2019 |
| Luxury car of the early 20th century | ||
| Luxury car until the 1930s | USA Today | 18 Nov 2016 |
| Luxury car until the 1930s | ||
| *Luxury car until the 1930s | LA Times Daily | 10 Mar 2015 |
| *Luxury car until the 1930s | ||
| Big wheel #14's vehicle? | ||
| Luxury car of the early 20th century | ||
| Luxury car until the 1930s | ||
| Luxury car until the 1930s | ||
| Presidential auto? | ||
| See 18-Across |