The 1999 Acura CL is available as a 2-door, 5-seat coupe. Starting at $23,100, the 1999 Acura CL 2.3 (M5) is powered by a 2.3L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 24-mpg in the city and 31-mpg on the highway. The top of the line 1999AcuraCL3.0 (A4) , priced at $ 26,150 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 28-mpg on the highway.