I
- Idle Speed
- Idler gear (koło pośrednie)
- IFS (Independent Front Suspension)
- Ignition
- Ignition coil
- Ignition timing
- Immobilizer
- Impact
- In-car entertainment
- Inboard brakes
- Independent suspension
- Indicator
- Indicator diagram
- Indirect injection (ID)
- Induction
- Induction stroke
- Injection pump
- Injector
- Injector nozzle
- Inlet Over Exhaust engine
- Inner tube
- Instrument panel
- Intake manifold
- Intake valve
- Intercooler
- Intercooler
- Internal combustion engine (ICE)
- Issigonis Alec
- Ito Takanobu