Misallocation

1929 Bentley 4½-Litre Open Four-Seater Sports by Vanden Plas

Sold at RM Sotheby's on Aug. 14, 2021, offered with no reserve.

$1,105,000Confirmed

The price as reported by the house. Hammer price $1,000,000, 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
RL3427
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

Inside the middle half of 10 comparable sales.

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

Closest comparable sales
CarAuctionDatePrice
1929 Bentley 'Speed Six Le Mans' Sports TourerGooding Christie's, Aug. 15, 2026Gooding Christie'sAug. 15, 2026$480,000
1929 Bentley Speed Six Drophead CoupeGooding Christie's, Aug. 16, 2025Gooding Christie'sAug. 16, 2025$1,950,000
1930 Bentley Speed Six Sports TourerGooding Christie's, Sept. 20, 2025Gooding Christie'sSept. 20, 2025$1,900,000
1927 Bentley 6½-Litre Short Chassis "Bob-Tail" Tourer in the style of CorsicaRM Sotheby's, Aug. 15, 2026RM Sotheby'sAug. 15, 2026$600,000
1931 Bentley Eight Litre Drophead CoupeGooding Christie's, Sept. 20, 2025Gooding Christie'sSept. 20, 2025$725,000
1931 Bentley 8-Litre Sports Coupe Cabriolet by BarkerRM Sotheby's, Aug. 16, 2025RM Sotheby'sAug. 16, 2025$2,000,000
1927 Bentley 3-Litre Speed Model Four-Seater Sports by Vanden PlasRM Sotheby's, Aug. 16, 2025RM Sotheby'sAug. 16, 2025$500,000
1931 Bentley 8-Litre Convertible Victoria by MurphyRM Sotheby's, Jan. 24, 2025RM Sotheby'sJan. 24, 2025$2,900,000