B
- B-pillar
- Backfire
- Backlash
- Backrest
- Backup light
- Badge engineering
- Balk ring
- Bangle Chris
- Barenyl Bela
- Barra Mary
- Battery
- Beam axle
- Bearing cup
- Bell housing
- Belt
- Bench seat
- Bench test
- Bendix
- Bendix drive
- Benz Bertha
- Benz Carl
- Bertone Giuseppe
- Bevel gear
- Bez Ulrich
- Bezsłupkowe coupe (Pillarless coupe)
- Bezwładność
- BHP
- Bias ply tire
- Bieg jałowy
- Bieżnik opony
- Big end
- Bio-diesel
- Biopaliwo
- Bizzarrini Giotto
- Bleed
- Bleed screw
- Blow-back
- Blow-by
- Blower
- Blown engine lub Blower
- Blowout
- Błotnik
- Boat tail
- Bodywork
- Boot
- Bore
- Bore-stroke ratio
- Bottom dead center
- Bowser Sylvanus Freelove
- Boxer
- Brake drum
- Brake lining
- Brake mean effective pressure
- Brake pad
- Brake pedal
- Brake servo
- Brake shoe
- Brakes
- Brown David
- Bucket seat
- Bugatti Ettore
- Bulkhead
- Bull bars
- Bumper
