| 1929 Auburn 120 Eight “Boattail” SpeedsterBroad Arrow, March 7, 2026 | Broad Arrow | March 7, 2026 | $350,000 |
| 1935 Auburn 851 Super-Charged "Boattail" SpeedsterBroad Arrow, March 7, 2026 | Broad Arrow | March 7, 2026 | $475,000 |
| 1935 Glenn Pray Auburn Boattail SpeedsterMecum, Jan. 10, 2026 | Mecum | Jan. 10, 2026 | $75,000 |
| 1934 Glenn Pray Auburn Second Generation Boattail SpeedsterMecum, Dec. 6, 2025 | Mecum | Dec. 6, 2025 | $40,000 |
| 1929 Auburn 120 Eight "Boattail" SpeedsterBroad Arrow, Oct. 31, 2025 | Broad Arrow | Oct. 31, 2025 | $170,000 |
| 1932 Auburn 12-160 Boattail SpeedsterGooding Christie's, Sept. 20, 2025 | Gooding Christie's | Sept. 20, 2025 | $700,000 |
| 1928 Auburn 8-115 SpeedsterRM Sotheby's, Aug. 16, 2025 | RM Sotheby's | Aug. 16, 2025 | $250,000 |
| 1929 Auburn 120 Eight “Boattail” SpeedsterBroad Arrow, Aug. 14, 2025 | Broad Arrow | Aug. 14, 2025 | $140,000 |
| 1935 Auburn 851 Super-Charged "Boattail" SpeedsterBroad Arrow, Aug. 14, 2025 | Broad Arrow | Aug. 14, 2025 | $590,000 |
| Boattail Speedster-Bodied 1935 Auburn 851 by Glenn PrayBring a Trailer, June 24, 2025 | Bring a Trailer | June 24, 2025 | $61,000 |
| 1932 Auburn 8-100 Boattail SpeedsterMecum, May 16, 2025 | Mecum | May 16, 2025 | $90,000 |
| 1935 Auburn Boattail SpeedsterMecum, May 9, 2025 | Mecum | May 9, 2025 | $4,500 |
| 1935 Auburn 851 Super-Charged "Boattail" SpeedsterBroad Arrow, March 8, 2025 | Broad Arrow | March 8, 2025 | $915,000 |
| 1929 Auburn 120 Eight “Boattail” SpeedsterBroad Arrow, Feb. 15, 2025 | Broad Arrow | Feb. 15, 2025 | $170,000 |
| 1932 Auburn 898-A Boattail SpeedsterMecum, Jan. 18, 2025 | Mecum | Jan. 18, 2025 | $270,000 |
| 1936 Auburn Custom Boattail SpeedsterMecum, June 10, 2023 | Mecum | June 10, 2023 | $42,000 |
| 1935 Auburn 851 Boattail SpeedsterMecum, Jan. 14, 2023 | Mecum | Jan. 14, 2023 | $625,000 |
| 1933 Auburn 8-101A SpeedsterMecum, Jan. 11, 2022 | Mecum | Jan. 11, 2022 | $145,000 |
| 1936 AUBURN BOATTAIL SPEEDSTER CUSTOM RE-CREATIONBarrett-Jackson, Jan. 16, 2015 | Barrett-Jackson | Jan. 16, 2015 | $110,000 |
| 1936 AUBURN BOATTAIL SPEEDSTER CONVERTIBLEBarrett-Jackson, Sept. 27, 2014 | Barrett-Jackson | Sept. 27, 2014 | $61,000 |
| 1936 AUBURN BOATTAIL SPEEDSTER CUSTOM RE-CREATIONBarrett-Jackson, Sept. 26, 2014 | Barrett-Jackson | Sept. 26, 2014 | $85,000 |
| 1932 AUBURN SPEEDSTER CONVERTIBLEBarrett-Jackson, Jan. 18, 2014 | Barrett-Jackson | Jan. 18, 2014 | $440,000 |
| 1931 AUBURN 8 98 BOATTAIL SPEEDSTERBarrett-Jackson, Jan. 19, 2013 | Barrett-Jackson | Jan. 19, 2013 | $110,000 |
| 1936 AUBURN BOATTAIL SPEEDSTER CUSTOM RE-CREATIONBarrett-Jackson, Jan. 21, 2012 | Barrett-Jackson | Jan. 21, 2012 | $40,000 |
| 1932 AUBURN 8 100A SPEEDSTERBarrett-Jackson, Jan. 19, 2007 | Barrett-Jackson | Jan. 19, 2007 | $135,000 |
| 1931 Auburn Speedster CustomRM Sotheby's, Aug. 14, 2004 | RM Sotheby's | Aug. 14, 2004 | $125,000 |
| 1935 AUBURN SPEEDSTERBarrett-Jackson, Jan. 5, 2002 | Barrett-Jackson | Jan. 5, 2002 | $91,000 |