Fewer than is used for sth countable less than usually used for sth uncountable: time, number, etc. less than a minute less than a year Less Than Perfect Less than $20 less than 30 cents a day less than 2% Less Than Half of all Published Scientists Endorse Global Warming Theory The extraordinary allocation of federal disaster relief, while less than local elected officials had petitioned. Apparently Bear has been less than honest about past exploits as well...
their latest campaign is nothing less than an effort to save the soul of black America. Less than can be used in comparison of numbers, weight, money.
The Lincoln weighs about 100 pounds less than the longer, wider Acura, and 300 less than a Mercedes M-Class. It starts at $36,445 including optional all-wheel drive, far less than other luxury models of its size: about $3,000 below the Lexus RX 350, about $4,000 less than the Acura, about $7,000 below a Mercedes ML350.
Of course a used car is worth less than a similar new one.