That is particularly true when it comes to technical terms used for our cars, so the table below translates from the Queen's English into what is now called American English.

The Queen's English	American English
999 (emergency number)	911 (emergency number)
Accelerator	Gas pedal
Aerial	Antenna
Anti-roll bar	Stabiliser or sway bar
Big end bearing	Rod bearing
Bonnet (engine cover)	Hood
Boot (luggage compartment)	Trunk
Bulkhead	Firewall
Bush	Bushing
Cam follower or tappet	Valve lifter or tappet
Car	Automobile
Carburettor	Carburetor
Catch	Latch
Choke/venturi	Barrel
Circlip	Snap ring
Clearance	Lash
Crownwheel	Ring gear (of differential)
Damper	Shock absorber
Disc (Brake)	Rotor
Dipped beam	Low beam
Distance piece	Spacer
Drop arm	Pitman arm
Drop head coupe	Convertible
Dual carriageway	Divided highway
Dynamo	Generator (DC)
Earth (electrical)	Ground
Engine mount	Motor mount
Estate Car	Station wagon
Exhaust manifold	Header
Fault finding (diagnosis)	Troubleshooting
Float chamber	Float bowl
Free play	Lash
Freewheel	Coast
Gearbox	Transmission
Gearchange	Shift
Give Way (on road sign)	Yield
Grub screw	Setscrew, Allen screw
Gudgeon pin	Piston pin or wrist pin
Halfshaft	Axleshaft
Handbrake	Parking brake
Hood	Soft top
Hot spot	Heat riser
Indicator	Turn signal
Interior light	Dome lamp
Layby	Turnout
Layshaft (of gearbox)	Countershaft
Leading shoe (of drum brake)	Primary shoe
Level crossing	Railroad crossing
Locks	Latches
Main beam	High beam
Manual gearbox	Stick shift
Methylated spirit	Denatured alcohol
Motorway	Freeway, turnpike
Number Plate	License plate
Paraffin	Kerosene
Pavement	Sidewalk
Petrol	Gasoline (gas)
Petrol station	Gas station
Petrol tank	Gas tank
Pinking	Pinging
Prise (force apart)	Pry
Propellor shaft	Driveshaft
Quarterlight	Quarter window
Retread	Recap
Reverse	Back up
Rocker cover	Valve cover
Roundabout	Traffic circle
Saloon	Sedan
Scamera	See Speed Camera (colloquial term as the general public do not believe they are there for safety reasons but pureful for raising revenue)
Seized	Frozen
Sidelight	Parking light
Silencer	Muffler
Sill (panel beneath doors)	Rocker panel
Slip road (motorway exit)	On ramp or Off ramp (Freeway)
Small end - little end	Piston pin - wrist pin
Spanner	Wrench
Speed Camera	Radar operated speed trap either fixed or operated from white vans with black windows
Split pin	Cotter pin
Steering arm	Spindle arm
Sump	Oil pan
Swarf	Metal chips or debris
Tab washer	Tang or lock
Tappet	Valve lifter
Thrust bearing	Throw out bearing
Top gear	High
Torch	Flashlight
Trackrod (of steering)	Tie rod
Trailing shoe (brake)	Secondary shoe
Transmission	Whole drive line
Tyre	Tire
Van	Panel wagon/ van
Vice	Vise
Wheel nut	Lug nut
White Van Man	Driver of company van (normally white) who pays little attention to speed limits or general courtesy
Windscreen	Windshield
Wing (mudguard)	Fender