Mercedes-Benz
SL 55 AMG
The supercharged V8 grand roadster of the 2000s — now appreciating. RevFolio holds 341 completed sales of this car and prices it within 20% on 71% of them, measured by hiding each sale and valuing it on the ones before.
By variant
Recent sales
| Date | Vehicle as sold | Miles | Sold | vs value |
|---|---|---|---|---|
| Oct 10, 2026 | 2004 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 97,000 | $14,000 | -38.7% |
| Oct 08, 2026 | 2003 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 125,000 | $11,800 | -48.3% |
| Oct 03, 2026 | 39k-Mile 2004 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 39,000 | $21,000 | -8.0% |
| Sep 30, 2026 | 2004 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 48,000 | $17,800 | -22.0% |
| Sep 30, 2026 | 33k-Mile 2003 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 33,000 | $22,000 | -3.6% |
| Sep 27, 2026 | 2023 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 14,000 | $76,543 | +235.3% |
| Sep 24, 2026 | 2003 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 93,000 | $17,000 | -25.5% |
| Sep 22, 2026 | 27k-Mile 2008 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 27,000 | $32,000 | +40.2% |
| Sep 22, 2026 | 10k-Mile 2004 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 10,000 | $35,000 | +53.3% |
| Sep 18, 2026 | 25k-Mile 2005 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 25,000 | $28,555 | +25.1% |
| Sep 17, 2026 | 45k-Mile 2004 Mercedes-Benz SL55 AMG Bring a Trailer · automatic | 45,000 | $18,750 | -17.9% |
| Sep 05, 2026 | 2006 Mercedes-Benz SL55 AMG P30 Performance Package Bring a Trailer · automatic | 27,000 | $37,500 | +64.3% |
How this car is valued
RevFolio holds 341 completed sales of the Mercedes-Benz SL 55 AMG from Bring a Trailer, Cars & Bids and Mecum, dated Sep 14, 2017 to Oct 10, 2026, 43 of them in the last twelve months. When each of those sales was hidden from the engine and valued on the sales before it, 71% came within 20% of the real price, and the typical miss was 11.9%. The likely range printed above held 93% of those held-out sales.
Mileage moves this car by 8.0% per 10,000 miles on the matched sales. The median sale of the last twelve months is 7% above the twelve before it.
The engine keeps gearboxes apart where the sales show they price apart, reads each listing for disclosed damage, modifications and conversions, fits a mileage curve on the matched sales and weights the newest sales most. Every report prints the sales it used.
Questions this page answers
- What is a Mercedes-Benz SL 55 AMG worth?
- A typical 2004 Mercedes-Benz SL 55 AMG with 45,500 miles is valued at $22,828 today, from 341 completed auction sales. Your car's year, mileage and gearbox move that figure; the report prices your exact combination.
- Where do the numbers come from?
- Completed auction sales only, from Bring a Trailer, Cars & Bids and Mecum, dated Sep 14, 2017 onward. No asking prices, no dealer listings, and no estimates for cars that never sold.
- How often does this update?
- Every Sunday, after the week’s sales from all three auction houses are collected. The page is re-rendered within the hour.
- What does 71% accuracy mean?
- When each past sale of this model was hidden from the engine and valued on the sales before it, 71% came within 20% of the real price. It is a measurement, not a promise, and it is printed on every report.