Car manufacturer S
| Name | Number of models |
|---|---|
| S7s Dura-line | 1 |
| Saab | 25 |
| Sabre | 2 |
| Safari | 15 |
| Safari Coach | 30 |
| Saleen | 11 |
| Satellite | 1 |
| Saturn | 54 |
| Scion | 7 |
| Scooter | 0 |
| Sea Breeze | 2 |
| Seiberling | 13 |
| Setra | 6 |
| Shadow Cruiser | 25 |
| Shasta | 25 |
| Shoreland'r | 2 |
| Show Trucks | 2 |
| Sikeston | 1 |
| Silverlite | 1 |
| Skyline | 40 |
| Smart | 4 |
| Softail | 1 |
| Solectria | 2 |
| Southeastern | 1 |
| Southeast Toyota | 7 |
| Southwind | 2 |
| Spartan | 155 |
| Sportscoach | 8 |
| Sportsman | 1 |
| Sportsmaster | 1 |
| Sportsmen | 2 |
| Sport Trailer | 3 |
| Spree | 1 |
| Sprinter | 4 |
| Stallion | 2 |
| Starcraft | 127 |
| Stella | 1 |
| Stephens | 1 |
| Sterling | 29 |
| Stoughton | 5 |
| Stp | 3 |
| Stratos | 1 |
| Strick | 8 |
| Strickland | 1 |
| Subaru | 33 |
| Suburban | 13 |
| Suncrest | 2 |
| Sundiro | 2 |
| Sundowner | 27 |
| Sunline | 7 |
| Sunliner | 1 |
| Sunlite | 2 |
| Sunnybrook | 51 |
| Sunrader | 1 |
| Sun Valley | 4 |
| Super Duty | 4 |
| Superior | 24 |
| Sutphen | 16 |
| Suzuki | 162 |
| Suzuki Grand | 1 |
| Swift | 1 |