The 1999 Volvo C70 is available as a 2-door, 4-seat coupe. Starting at $39,395, the 1999 Volvo C70 HT (M5) Coupe is powered by a 2.3L, 5-cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 28-mpg on the highway. The top of the line 1999 Volvo C70 Convertible, priced at $43,395, is powered by a 2.4L, 5-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 27-mpg on the highway.