2018 Cadillac Ats

Compact Sedan Premium
Cadillac Ats 2018
25MPG Combined
5 Trims
← 2017 2018 2019 →
Updated February 27, 2026

The 2018 Cadillac Ats Compact Sedan provides 22–25 combined MPG depending on trim. We’ve compiled EPA fuel economy data, NHTSA safety ratings, and recall history so you can make an informed decision.

2018 Cadillac Ats Specifications

SpecValue
Combined MPG22–25 combined MPG depending on trim
City MPG22
Highway MPG31
Body StyleCompact Sedan
Fuel TypePremium
DriveRWD
Available Trims5

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
4 cyl22/31/252.0L 4cylAutomatic (S8)
6 cyl20/30/243.6L 6cylAutomatic (S8)
Man20/29/232.0L 4cylManual 6-spd
6 cyl19/27/223.6L 6cylAutomatic (S8)
4 cyl22/30/252.0L 4cylAutomatic (S8)

Annual Fuel Cost

Based on EPA estimates, the 2018 Cadillac Ats costs approximately $2,220 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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