| TB | Transversale Berlinetta |
|
| TBi | Turbo Benzina Injection |
|
| TCe | Turbo Control Efficiency |
|
| TD | Turbo Diesel |
|
| TDCi | Turbo Diesel Common Rail Injection |
|
| TDI - TDIe | Turbo Direct Injection (Efficiency) |
|
| TFSI | Turbo Stratified Fuel Injection |
|
| THP | Turbo High Pressure |
|
| Ti-VCT | Twin Independent - Variable Cam Timing |
|
| Tiptronic | Boîte de vitesses automatique |
|
| TOFAŞ | Türk Otomobil Fabrikası Anonim Şirketi |
|
| TR | Testa Rossa |
|
| TS | Twin Spark |
|
| TT | TwinTop (Ople) /
Tourist Trophy (Audi) |
|
| Turbocompresseur | Organe utilisé pour suralimenter un moteur. |
|
| TVR | Trevor Wilkinson |
|
| TWR | Tom Walkinshaw Racing |
