Misallocation

Fuel-Injected 1966 Triumph TR4A IRS 5-Speed

Sold at Bring a Trailer on Aug. 6, 2025, offered with no reserve.

$12,800Confirmed

The price as reported by the house. Read from the house's results Oct. 25, 2026.

The car

Year
1966
Make and model
Triumph TR
Generation
TR4 and TR4A
Gearbox
Manual
Chassis
CTC57845L
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 61 comparable sales, 13% under its bottom.

Middle half of sales$14,500 to $29,000
Median$19,750
Sales behind it61Likely

From 61 sales of the Triumph TR4 and TR4A in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $14,500 and $29,000.

Closest sales

Closest comparable sales
CarAuctionDatePrice
1966 Triumph TR4A IRSBring a Trailer, Oct. 30, 2026Bring a TrailerOct. 30, 2026$30,000
1966 Triumph TR4ABring a Trailer, June 23, 2026Bring a TrailerJune 23, 2026$53,000
1966 Triumph TR4A IRS 5-SpeedBring a Trailer, June 19, 2026Bring a TrailerJune 19, 2026$40,500
Supercharged 1966 Triumph TR4A IRS 5-SpeedBring a Trailer, May 5, 2026Bring a TrailerMay 5, 2026$27,000
54-Years-Family-Owned 1966 Triumph TR4A IRSBring a Trailer, April 12, 2026Bring a TrailerApril 12, 2026$8,800
1966 Triumph TR4ABring a Trailer, Feb. 26, 2026Bring a TrailerFeb. 26, 2026$16,600
1967 Triumph TR4A IRSBring a Trailer, Sept. 15, 2026Bring a TrailerSept. 15, 2026$7,300
1966 Triumph TR4A IRSBring a Trailer, Sept. 10, 2026Bring a TrailerSept. 10, 2026$26,750