£49,862 • £44,520 - £59,360
1937 Riley 15/6 Boattail Special
United States • 23 Jan 2026 • Lot 137
Vehicle Details
AI Listing Summary
This 1937 Riley 15/6 Boattail Special is a vintage racer and rally car with a 1,726cc engine and a 4-speed pre-select transmission. It features custom coachwork, period racing appointments, and has been maintained with significant mechanical service, making it an excellent machine for road or track.
Condition
8
The car is described as a 'stunning prepared vintage racer and rally car' with over $40,000 in mechanical service receipts. It has custom-built coachwork and period racing appointments. The listing mentions it has been actively campaigned in events and recently completed the Colorado Grand, suggesting it's in very well-maintained condition with minimal cosmetic imperfections.
/ 10
Manual
Transmission:
47K3085
Chassis No:
Odometer:
[Odometer Reading]
DMA 791
Reg Number:
RHD/LHD:
[RHD/LHD]
1,726cc DOHC Inline 6-Cylinder Engine 3 SU Carburetors 56bhp at 4,800rpm 4-Speed Pre-select Transmission Semi-Elliptic Leaf Spring Suspension 4-Wheel Drum Brakes * Stunning prepared vintage racer and rally car * Over $40,000 in mechanical service receipts with Blue Diamond Riley Services in the UK * Custom-built coachwork evocative of Bugatti Grand Prix cars * Excellent machine for road or track THE RILEY "Certain characteristics, as original as they are concisely practical, have caused the Riley '9' to be regarded as the most advanced design of British built small cars on the market.
Now the makers have completed the task of giving the '9' a larger brother and are placing on the market a five seater of similar characteristics, but with a six-cylinder engine." – Autocar .
Clothed in stylish bodywork by Stanley Riley, the Coventry marque's pre-war offerings were among the world's finest small-capacity sporting cars.
Percy Riley's 9hp, 1,087cc, twin-camshaft four was an outstanding en...
Points of note
£9,562
Lowest Price (Since 2020)
£29,712
Median Price (Since 2020)
£49,862
Highest Price (Since 2020)
World Record
This vehicle has set a new record for the Riley 15/6
Top X%
The mid-point of the vehicle's estimate places it in the top [X]% of sold prices we've seen for the [enter model]
Lowest Price
If this vehicle sells at the mid-point of its estimate it will be the lowest price we've seen for the [enter model]
Average Price
The mid-point of the vehicle's estimate places it near the average price we see for the [enter model]
Rare Sale
This vehicle comes to market rarely. In auction records we've only seen 2 sold before
Icon
This vehicle comes is an icon of the game. Any collection would benefit from having one
Previous Sales
Gallery
MOT Information
Expired
Expired on Jul 04 2013
Latest MOT Mileage
71,205 miles
Registration Date
1936-12-28
MOT History
Passed
On Jul 05 2012 with 71,205 miles
Passed
On Jul 01 2011 with 70,930 miles
Passed
On May 21 2010 with 70,593 miles
Passed
On Jun 01 2009 with 70,402 miles
Passed
On Jun 05 2008 with 70,255 miles
Passed
On May 22 2007 with 69,756 miles
Passed
On May 30 2006 with 69,392 miles
MOT Mileage Trend
