Lothar Motschenbacher
Birthplace: Cologne, Germany
Born: November 19, 1938
Died:
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| Year | Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles | Points | Standing |
| 1967 | USAC | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | 60 |
49 |
| 1968 | USAC | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 80 | 44 |
| 1969 | USAC | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| 1971 | USAC | 0 | 1 | 0 | 0 | 0 | 0 | 0 | NS | 0 | 0 | NR |
| Total | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 140 |
| Track Type | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| Paved Oval | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 9 | 0 |
| Road Course | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 6 | 0 |
| Series | Starts | DNS/DNQ | Wins | 2nds | 3rds | 4ths | 5ths | Best Finish | Poles |
| USAC | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 6 | 0 |
| Start # | Date | Track | Type | Series | Car # | Sponsor/Name | Chassis | Engine | Start | Finish | Laps | Status |
Points |
| 1 | 4/9/1967 | Phoenix 1 | PO | USAC | 57 | Kenny Brenn | Gerhardt | Offy | 24 | 9 | 143 | Flagged | 60 |
| -- | 4/23/1967 | Trenton 1 | PO | USAC | X | X | X | Offy | -- | -- | -- | Did not qualify | |
| -- | 5/30/1967 | Indianapolis | PO | USAC | 57 | Kenny Brenn | Gerhardt | Offy | -- | -- | -- | Entry declined, not in good standing with USAC | |
| 2 | 11/26/1967 | Riverside | RC | USAC | 96 | Harrison | Eisert | Chevy | 15 | 28 | 8 | Clutch | |
| 3 | 8/4/1968 | St. Jovite 1 | RC | USAC | 90 | Zecol-Lubaid | Watson | Offy TC | 9 | 17 | 15 | Broken drive train | |
| 4 | 8/4/1968 | St. Jovite 2 | RC | USAC | 90 | Zecol-Lubaid | Watson | Offy TC | 13 | 6 | 37 | Flagged | 80 |
| -- | 5/30/1969 | Indianapolis | PO | USAC | X | X | X | X | -- | -- | -- | Did not qualify | |
| -- | 9/5/1971 | Ontario | PO | USAC | 76 | Webster Racing | X | Ford | -- | -- | -- | Did not appear | |