L
- La Jamais Contente
- Lacocca Lee
- Ladder Frame
- Laminated glass
- Landau
- Landaulette
- Lap and diagonal belt
- Layshaft
- Le Mans
- Lead acid battery
- Lead-free
- Leaf spring
- Lean mixture
- Lefèbvre Andrè
- Lemon
- License plate
- Liczba oktanowa
- Light
- Limited edition
- Limuzyna
- Live axle
- Lock
- Low-profile
- LPG (liquefied petroleum gas)
