Aston Martin was founded in 1913 by Lionel Martin and Robert Bamford in Chelsea. They sold Singer cars, serviced cars, then made their own Aston-Martin cars initially for Martin’s hill climb racing. After WWI, Bamford left, but with new premises and funding, Bamford & Martin were able to make successful competition cars from 1922, and a short run of road cars before bankruptcy. Bill Renwick and ‘Bert’ Bertelli acquired the business, renamed it Aston Martin, and moved it to Feltham. There followed a famous succession of competition cars, more financial difficulties, and a focus on road cars in the late 1930s until war again intervened.
More information on Classic Driver and Wikipedia.

Aston-Martin 1.5-litre ‘Strasbourg’
New funding from Louis Zborowski allowed Aston Martin to enter the French GP in 1922, with Zborowski in one car; this was Clive Gallup’s.
Years
1922
Engine
c. 1481cc S4 SV
Body Style
Racer
Production
1
Power: Weight
.
Dimensions
.

Aston-Martin ‘Razor Blade’
One of the GP cars was developed into Razor Blade achieved victory in its first race, lapping Brooklands at over 98 mph; and soon set records in the standing start mile (74 mph) and kilometer (66 mph).
Years
1923
Engine
c. 1481cc S4 SV
Body Style
Racer
Production
1
Power: Weight
.
Dimensions
.

Aston-Martin Halford Special
Another GP car was developed into a special for the record-breaking driver of Razor Blade. Originally a pioneering turbo, superchargers proved more reliable in the end. It competed in the 1927 French GP.
Years
1923
Engine
c. 1481cc S4 SV
Body Style
Racer
Production
1
Power: Weight
.
Dimensions
.

Aston-Martin Sidevalve Tourer
Aston Martin made a small number of inter-war short- and long-chassis cars before bankruptcy, and the departure of Martin, in 1924-1925.
Years
1924
Engine
1481cc S4 SV
Body Style
4-seater tourer
Production
55 (all types)
Power: Weight
.
Dimensions
.

Renwick & Bertelli Buzzbox
R&B took over Aston Martin in 1926, and brought with them the development car, including for their new overhead cam engine.
Years
1925 (1921-26)
Engine
1481cc S4 SV
Body Style
Sportscar
Production
1
Power: Weight
.
Dimensions
.
Photo: Bonhams

Aston Martin International
Bertelli-designed “First Series”, replacing the Standard Sports. Also available as T-Type sports and saloons from 1927; also a few coupes, and a ‘Le Mans’ version of the International.
Years
1929-32
Engine
1495cc S4 OHC
Body Style
Sportscar
Production
81 +48 other First Series models
Power: Weight
.
Dimensions
.

Aston Martin Le Mans
The bulk of Second Series production from late 1932 was taken up by the short chassis ‘Le Mans’. Neatly exploited niche for medium sportscars.
Years
1932-34
Engine
1495cc S4 OHC
Body Style
Sportscar
Production
72 +20 12/50 Saloons
Power: Weight
.
Dimensions
.

Aston Martin LM10 Works Car
New lowered design, with pointed tails and a new ‘V’ shaped radiator. LM10 was the most successful of the 3 cars built, winning its class at Le Mans in 1932 and finishing in 1933 and 1934.
Years
1932
Engine
1495cc S4 OHC
Body Style
Sportscar
Production
3
Power: Weight
.
Dimensions
.

Aston Martin MkII
Mark II with respect to the Le Mans, but actually Third Series, with considerably stiffer and stronger chassis.
Years
1934-36
Engine
1495cc S4 OHC
Body Style
Sportscar
Production
56 +61 Long: Sports, Saloon, Coupe
Power: Weight
.
Dimensions
.

Aston Martin Ulster
The name ’Ulster’ was first used to describe the two seater racing version of the ‘Mark II’ after the 1934 TT race held at Ards in Northern Ireland.
Years
1934-36
Engine
1495cc S4 OHC
Body Style
Sportscar
Production
24
Power: Weight
.
Dimensions
.

Aston Martin 15/98
A more civilised Aston Martin – softer, quieter and more flexible. Marketed as a tourer, rather than sportscar
Years
1937-39
Engine
1949cc S4 OHC
Body Style
Tourer
Production
75 +50 Long: Tourer, Saloon
Power: Weight
.
Dimensions
.

Aston Martin Speed Model
Intended as a street version of a racing car, and originally developed for the 1936 Le Mans (the cancellation of which ended the works team).
Years
1936-38
Engine
1949cc S4 OHC
Body Style
Sportscar
Production
13 +5 ‘C-Type’
Power: Weight
.
Dimensions
.