Instant/Immediate

Jump / Start

Knowledge/Wisdom

Lambretta / Vespa

Motor/Engine

Nissan / Datsun

Odometer/Mileometer

Petrol / Gas(oline)

Quaife/Differential  (as in Quaife Automatic Torque Biasing Differential)

A very powerful serve m25jet !  "Quaife" - I thought at first it was the French word for differential! I can only attempt a return volley with the  feeble -

Roadster / Convertible

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@malacandran wrote:

A very powerful serve m25jet !  "Quaife" - I thought at first it was the French word for differential! I can only attempt a return volley with the  feeble -

 

Roadster / Convertible

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Thanks Malacandran.  A Quaife limited slip diff works in a different way to a standard diff.  A standard diff distributes power to the driven wheels in a 50/50 split, so if one of the driven wheels loses grip, the car is effectively only being powered by one wheel.  The Quaife automatic torque biasing diff automatically biases the torque across the axle to the wheel with the most grip until grip is re-established and then levels it back out to 50/50 until it needs to divert more torque to one of the driven wheels again.

Anyway, back to the thread:

Stationwagon/Estate  (Stationwagon is American English for an Estate car)

Trunk / Boot

Unleaded/Petrol

Volkswagen / Beetle

Windscreen/Window

XB-70 / Valkyrie

(PS -  while I hesitate to question the Master, shouldn't your previous post have been "Windshield", to preserve UK/US synonymity?)

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@malacandran wrote:

XB-70 / Valkyrie

 

(PS -  while I hesitate to question the Master, shouldn't your previous post have been "Windshield", to preserve UK/US synonymity?)

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I was typing both answers in British English when I placed the previous answers.  However, if you want an example of UK & US synonyms then here's one for you:

Yankee/American

Zee / Zed

Accelerator/Throttle

Bully / Microbus (VW)