The MPG for a 2003 Cadillac CTS varies slightly between a manual and automatic transmission car. The automatic averages 16 mpg in the city and 24 mpg on the highway. The manual Cadillac CTS averages 17 mpg in the city and 24 mpg on the highway.
The EPA mileage estimate for the 2003 Cadillac CTS is 17 mpg in the city, 24 mpg on the highway.
The EPA mileage estimate for the 2014 Cadillac CTS is 20 mpg in the city, 30 mpg on the highway.
The EPA mileage estimate for the 2008 Cadillac CTS is 16 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2012 Cadillac CTS is 16 mpg in the city, 26 mpg on the highway.
The EPA mileage estimate for the 2005 Cadillac CTS is 16 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2006 Cadillac CTS is 15 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2011 Cadillac CTS is 16 mpg in the city, 26 mpg on the highway.
The EPA mileage estimate for the 2009 Cadillac CTS is 16 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2007 Cadillac CTS is 15 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2010 Cadillac CTS is 16 mpg in the city, 26 mpg on the highway.
The EPA mileage estimate for the 2004 Cadillac CTS is 17 mpg in the city, 24 mpg on the highway.
The EPA mileage estimate for the 2013 Cadillac CTS is 18 mpg in the city, 27 mpg on the highway.