| German | Img | English |
| Tachometer | | speedometer |
| Tageskilometerzähler | | trip mileage indicator |
| Takt | | stroke |
| Taktgebung mit Modulation | | Pulse with modulation (PWM) |
| Tandem - Hauptzylinder | | dual master cylinder |
| Tandem - Radbremszylinder | | double piston wheel brake cylinder |
| Tank | | tank |
| Tankanzeige | | fuel gauge |
| Tankdeckel | | filler cap |
| Tankeinfüllung | | fuel tank filler pipe |
| Tasse | | cup |
| tätig werden | | start to act |
| technische Fahrzeug - Überprüfung | | MoT (=Ministry of Transport) test |
| Teil | | part |
| Teillastanreicherungsdüse | | part throttle enrichment jet |
| Teilung | | partition |
| Telefon | | Telephone (TEL) |
| Teleskopgabel | | telescopic fork |
| teleskopisch | | telescopic |
| Tellerfederkupplung | | diaphragm clutch |
| Tellerrad | | crown gear |
| Temperatur-Krümmer-Absolutdruck-Sensor | | Temperature manifold absolute pressure sensor (TMAPS) |
| Temperaturanzeige | | temperature gauge |
| Temperaturfühler | | temperature sender |
| Temperaturgeber | | temperature sender |
| Temperaturregler | | air temperature control system |
| Temperaturschalter | | temperature switch |
| Temperung | | annealing |
| Tempomat | | cruise control |
| Testfahrt | | road test |
| Thermostat | | thermostat |
| Thermostatgehäuse | | thermostat housing |
| Thermozeitschalter | | thermotime switch |
| tief | | deep |
| Tiefbett - Anhänger | | low-bed trailer |
| Tiefe | | depth |
| Tiefenmaß | | depth gauge |
| Tiefenmesser | | depth gauge |
| Tieflader | | low-bed trailer |
| Tierhaut | | hide |
| Toleranz | | allowance; tolerance |
| Torsionsdämpfer | | damper spring |
| Torx - Schraubenschlüssel | | torx key |
| Totgang | | free travel |
| Totpunkt | | dead centre |
| Tourenwagen | | tourer; touring car |
| Tourenzahl | | number of revolutions |
| Tragarm | | cantilever |
| träge | | inert |
| Träger | | girder; support beam |
| Traktion | | traction |
| Traktionskontrolle (Antriebsschlupfkontrolle ASR) | | electronic traction control (ETC); transaction control (TC); traction control system (TCS) |
| Transistorzündung | | transistorised ignition system |
| Treibdorn | | drift; driver; punch |
| Treibhammer | | ball hammer |
| trennen | | split |
| Trennplatte | | separator |
| Trichter | | funnel |
| trichterförmige Öffnung | | bell mouth |
| Triebwerk | | power plant |
| Trittbrett | | running board |
| trocken | | dry |
| trocken vorgeladene Batterie | | dry charged battery |
| Trockenbatterie | | dry cell battery |
| Trockengelenk | | dry disc joint |
| Trockenkupplung | | dry clutch |
| Trockenkupplungslamelle | | dry disc |
| Trockenkupplungsscheibe | | dry plate |
| Trockenscheibenkupplung | | dry clutch; dry plate clutch |
| Trockensumpf | | dry sump |
| Trockensumpfschmierung | | dry sump lubrication |
| trocknen | | dry |
| Trommel | | barrel |
| Trommelbremse | | drum brake |
| tröpfeln | | dribble |
| Tropfenspender | | drip-feed lubricator |
| Tropföler | | drip feed |
| trübe | | dim; dull |
| Tür | | door |
| Turbinenrad (Turbolader) | | exhaust rotor |
| Turbolader | | supercharger; turbocharger |
| Türfangband | | door check strap |
| Türkontaktschalter | | door light switch |
| Typenschild | | flat for identification purposes; identification plate; maker's plate; vin plate |