2013 Cadillac XTS Limo MPG & Specs — Real Fuel Cost
Quick answer
The 2013 Cadillac XTS Limo gets an EPA-estimated 15/21 MPG (city/highway) and 17 MPG combined, with an estimated $3,600/year fuel cost and 524 g/mi CO₂. Engine: 3.6 L 6-cyl.
The 2013 Cadillac XTS Limo with the 3.6-liter 6-cylinder regular gasoline engine returns an EPA-estimated 15 MPG in the city and 21 MPG on the highway, for a combined 17 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 3.6 L 6-cyl |
| Transmission | Automatic (S6) |
| Drive | Front-Wheel Drive |
| Fuel type | Regular Gasoline |
| Vehicle class | Special Purpose Vehicle 2WD |
| MPG — city | 15 |
| MPG — highway | 21 |
| MPG — combined | 17 |
| Annual fuel cost* | $3,600 |
| CO₂ tailpipe | 524 g/mi |
| EPA GHG score | 4/10 |
How efficient is it?
With a combined 17 MPG, the 2013 Cadillac XTS Limo sits in the low range for fuel economy. That is about average for its class (Special Purpose Vehicle 2WD, 19 MPG average).
Fuel economy and running costs
At about $3,600 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2013 Cadillac XTS Limo. Over five years that is roughly $18,000 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 2013 Cadillac XTS Limo emits approximately 524 grams of CO₂ per mile at the tailpipe, earning an EPA greenhouse-gas score of 4 out of 10. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.