Ford has clearly put money into making the engine and transmission smooth and quiet.

The biggest technological challenge would be developing a fuel-efficient and quiet engine, executives said.

He could hear the big car's powerful engine, quiet though the limo was.

At the time of its use a quiet engine was thought to be a mark of quality in an automobile.

In Thailand the tuk-tuks were new, with fresh paint and relatively quiet engines.

It had the ideal quiet engine and a low silhouette.

They claim quieter and quicker engine restart within 0.35 seconds.

The Colt also had a very quiet engine, with very little road and wind noise.

Then he opened wide the throttle of the quiet, radium engine.

They had been at all stop for the past hour, engines quiet, resting two meters from the surface.