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1933 Alvis Speed 20 SB Drophead Coupe - Coachwork by Vanden Plas

United Kingdom • 29 Apr 2026 • Lot 76

Vehicle Details

AI Listing Summary

This 1933 Alvis Speed 20 SB Drophead Coupe, with coachwork by Vanden Plas, was exhibited at the 1933 Olympia Motor Show and has been in the current family ownership since 1998. One of only 36 with this coachwork, it has been used on numerous European and international tours and has undergone restoration and recommissioning work.

Condition

7

The car was subject to an extensive restoration in the 1980s and recommissioning works in 1998, suggesting it's in solid condition with slight wear. The listing mentions it has been enjoyed on numerous tours and events, indicating it's well-maintained but not in pristine condition. Some minor reconditioning may be needed.

/ 10

Transmission:

Manual

Chassis No:

10852

Odometer:

[Odometer Reading]

Reg Number:

APK 354

RHD/LHD:

[RHD/LHD]

"The driver has the benefit of rock steady steering, completely accurate, and without a trace of road shocks, while corners and curves merely give him an opportunity to show up the roadholding of the car at its best.

Acceleration is greatly assisted by the new all-synchromesh gearbox, with very quick changes to be made absolutely silently right up through the gears" (Motorsport, February 1934).

Introduced at the October 1933 London Motor Show, the Speed 20 SB marked a shift in design philosophy for Alvis.

Fitted with a massive cruciform brace, the newcomer's 'double dropped' chassis frame was notably stiffer than that of its predecessor, while the adoption of independent transverse-leaf front suspension, adjustable 'Telecontrol' rear shock absorbers and an all-synchromesh four-speed manual gearbox gave it a technological edge over rivals such as the Bentley 3 1/2 Litre and Lagonda M45.

A welcome carryover, the marque's smooth but free-revving 2511cc OHV straight-six engine ensured ...