1929 Bentley 4½-Litre Tourer by Cadogan
Sold at RM Sotheby's on Sept. 7, 2015.
$420,000Confirmed
The price as reported by the house. Hammer price $375,000, before the buyer's premium. Read from the house's results Oct. 26, 2026.
The car
- Year
- 1929
- Make and model
- Bentley 3 Litre, 4½ Litre, 6½ Litre, Speed Six and 8 Litre
- Generation
- 3 Litre, 4½ Litre, 6½ Litre, Speed Six and 8 Litre (1921 to 1931)
- Chassis
- DS3570
- Condition
- Good (3)Likely
Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.
Against comparable sales
Below the middle half of 10 comparable sales, 29% under its bottom.
Middle half of sales$485,000 to $1,937,500
Median$662,500
Sales behind it10Likely
From 10 sales of the Bentley 3 Litre, 4½ Litre, 6½ Litre, Speed Six and 8 Litre (1921 to 1931) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $485,000 and $1,937,500.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 1929 Bentley 'Speed Six Le Mans' Sports TourerGooding Christie's, Aug. 15, 2026 | Gooding Christie's | Aug. 15, 2026 | $480,000 |
| 1929 Bentley Speed Six Drophead CoupeGooding Christie's, Aug. 16, 2025 | Gooding Christie's | Aug. 16, 2025 | $1,950,000 |
| 1930 Bentley Speed Six Sports TourerGooding Christie's, Sept. 20, 2025 | Gooding Christie's | Sept. 20, 2025 | $1,900,000 |
| 1927 Bentley 6½-Litre Short Chassis "Bob-Tail" Tourer in the style of CorsicaRM Sotheby's, Aug. 15, 2026 | RM Sotheby's | Aug. 15, 2026 | $600,000 |
| 1931 Bentley Eight Litre Drophead CoupeGooding Christie's, Sept. 20, 2025 | Gooding Christie's | Sept. 20, 2025 | $725,000 |
| 1931 Bentley 8-Litre Sports Coupe Cabriolet by BarkerRM Sotheby's, Aug. 16, 2025 | RM Sotheby's | Aug. 16, 2025 | $2,000,000 |
| 1927 Bentley 3-Litre Speed Model Four-Seater Sports by Vanden PlasRM Sotheby's, Aug. 16, 2025 | RM Sotheby's | Aug. 16, 2025 | $500,000 |
| 1931 Bentley 8-Litre Convertible Victoria by MurphyRM Sotheby's, Jan. 24, 2025 | RM Sotheby's | Jan. 24, 2025 | $2,900,000 |
This car's historyLikely
Matched across sales by chassis number.
| Date | What happened | Where | Miles | Price |
|---|---|---|---|---|
| Sept. 7, 2015 | Sold (this sale)RM Sotheby's | RM Sotheby's | $420,000 | |
| March 4, 2023 | SoldRM Sotheby's | RM Sotheby's | $687,000 |