2015 Cadillac Xts

Full-Size Sedan Regular
Cadillac Xts 2015
21MPG Combined
3 Trims
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Updated February 27, 2026

Get the full picture on the 2015 Cadillac Xts. As a Full-Size Sedan, it achieves 19–21 combined MPG depending on trim and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.

2015 Cadillac Xts Specifications

SpecValue
Combined MPG19–21 combined MPG depending on trim
City MPG18
Highway MPG28
Body StyleFull-Size Sedan
Fuel TypeRegular
DriveFWD
Available Trims3

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
6 cyl18/28/213.6L 6cylAutomatic (S6)
6 cyl16/24/193.6L 6cylAutomatic (S6)
6 cyl17/26/203.6L 6cylAutomatic (S6)

Annual Fuel Cost

Based on EPA estimates, the 2015 Cadillac Xts costs approximately $2,200 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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