Sabra

Saleen

Saturn

Scarab

Schmitty

Scimitar

Scootacar

Scripps-Booth

Shelby

Sima-Violet

Simca

Simplex

Skoda

Skylane

Smith

Spohn

Standard

Stearns-Knight

Stevens-Duryea

Studebaker

Stutz

Subaru

Sunbeam

SZD