The 1966 Triumph Bonneville has a median recorded auction sale price of $7,450 USD, with observed prices from $6,800 to $7,900 across 3 year-specific sales in the last 12 months. This small sample is a reference, not a reliable estimate of the wider market.
Price reference
Completed 1966 Triumph Bonneville sales in USD from the trailing 12 months. Unsold bids are excluded from these statistics.
Observed sold results: through .
$6,800
lowest USD sale
$7,900
highest USD sale
3
auction sales
1966
model year
3 auction sales
Completed sales, not listing estimates
Updated every 15 minutes
Yesterday's auction activity available today
Nineteen sources
BaT, Cars & Bids, Mecum, Bonhams, SOMO, and more
Using these results
Compare the same model year, trim, body style, transmission, mileage, and documented condition. Open the original auction listing to check originality, modifications, and provenance. An unsold bid is not a completed sale and does not establish market value.
Prices exclude private-party sales, dealer asking prices, and taxes. Fees are included only when recorded in the source result. The observed range describes these sales; it does not assign condition grades.
Latest displayed auction result: .
Model years
Click a year to see pricing and sales data for that model year.
Latest results
The most recent completed 1966 Triumph Bonneville auctions across all tracked sources.
| Price | Year | Mileage | Auction house | Location | Date | Status | Listing |
|---|---|---|---|---|---|---|---|
| $7,450 | 1966 | 525 mi | Bring a Trailer | Osceola, WI | Oct 31, 2026 | Sold | View auction |
| $7,900 | 1966 | 525 mi | Bring a Trailer | Carmel Highlands, CA | Jan 14, 2026 | Sold | View auction |
| $6,800 | 1966 | 6,000 mi | Bring a Trailer | Laguna Niguel, CA | Jan 7, 2026 | Sold | View auction |
| $12,000 | 1966 | 0 mi | Bring a Trailer | Tucson, AZ | Aug 30, 2025 | Sold | View auction |
| $6,988 | 1966 | 95 mi | Bring a Trailer | Bloomfield Hills, MI | Jul 13, 2025 | Sold | View auction |
| $25,000 | 1966 | 13,000 mi | Bring a Trailer | Santa Monica, CA | Mar 19, 2025 | Sold | View auction |
| $6,500 | 1966 | 9,700 mi | Bring a Trailer | Spokane, WA | Nov 25, 2024 | Sold | View auction |
| $10,250 | 1966 | 68 mi | Bring a Trailer | Playa Del Rey, CA | Nov 4, 2024 | Sold | View auction |
| $10,000 | 1966 | 0 mi | Bring a Trailer | Smartsville, CA | Oct 8, 2021 | Sold | View auction |
| $6,325 | 1966 | 0 mi | RM Sotheby's | Auburn, IN | Sep 5, 2021 | Sold | View auction |
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Reference notes
The 1966 Triumph Bonneville has a median recorded auction sale price of $7,450 USD, with observed prices from $6,800 to $7,900 across 3 year-specific sales in the last 12 months. This small sample is a reference, not a reliable estimate of the wider market.
We have tracked 3 1966 Triumph Bonneville auction sales in USD in the last 12 months.
Old Cars Data aggregates completed results from Bring a Trailer, Cars & Bids, Hemmings, AutoHunter, Hagerty, PCAR Market, All Collector Cars, Gooding & Co, RM Sotheby's, Barrett-Jackson, Sotheby's Motorsport, Car & Classic, The Market, Broad Arrow, MB Market, Mecum Auctions, PistonHeads, Collecting Cars, and Bonhams.
The market data refreshes every 15 minutes as new auction results are collected and normalized.
Condition, mileage, originality, documentation, color, options, provenance, and the specific mix of recent comparable sales can all move values.