| Chassis | Event | Sale | Change in Value | |
| 1948 BUICK ROADMASTER 4 DOOR SEDAN | 51560067 | 2011 BarrettJackson Palm Beach, Fl | $18,700 | |
| 51560067 | 2012 BarrettJacksonPalm Beach | $19,800 | 5.71% | |
| 1948 Buick Roadmaster Convertible | 24936085 | 2016 Mecum : Monterey | ||
| 24936085 | 2017 Mecum : Monterey | $40,000 | ||
| 1948 BUICK ROADMASTER 2 DOOR SEDANETTE | 14862969 | 2014 BarrettJackson's 43RD Annual Scottsdale Auction | $42,560 | |
| 14862969 | 2016 RM Sotheby's : Hershey | $40,700 | -4.47% | |
| 1948 Buick Roadmaster | 14860277 | 2018 Mecum : Los Angeles | ||
| 14860277 | 2018 Mecum : Monterey |
| Year | Average Sale | High Sale | Low Sale | # of Sales |
|---|---|---|---|---|
| 2022 | $59,000 | $59,000 | $59,000 | 1 |
| 2021 | $39,600 | $39,600 | $39,600 | 1 |
| 2020 | $46,750 | $62,700 | $30,800 | 2 |
| 2019 | $59,000 | $99,000 | $19,000 | 2 |
| 2018 | $65,000 | $65,000 | $65,000 | 1 |
| 2017 | $24,292 | $40,000 | $14,500 | 3 |
| 2016 | $54,817 | $90,750 | $33,000 | 3 |
| 2015 | $34,475 | $70,400 | $3,500 | 4 |
| 2014 | $43,780 | $45,000 | $42,560 | 2 |
| 2013 | $53,655 | $110,000 | $16,500 | 4 |
| 2012 | $38,988 | $48,400 | $19,800 | 4 |
| 2011 | $24,613 | $43,500 | $12,250 | 4 |
| 2010 | $23,200 | $27,250 | $19,250 | 3 |
| 2008 | $22,000 | $22,000 | $22,000 | 1 |
| Year | Average Sale | High Sale | Low Sale | # of Sales |
|---|---|---|---|---|
| 2016 | $2,687 | $2,687 | $2,687 | 1 |
| Year | Average Sale | High Sale | Low Sale | # of Sales |
|---|---|---|---|---|
| 2010 | $33,000 | $33,000 | $33,000 | 1 |
| 2009 | $57,000 | $57,000 | $57,000 | 1 |