The 2000 Infiniti I30 is available as a 4-door, 5-seat sedan. Starting at $29,465, the 2000 Infiniti I30 Luxury 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. The top of the line 2000InfinitiI30Touring , priced at $ 31,540 , 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.