2018 Infiniti Qx30

Compact Sedan Premium
Infiniti Qx30 2018
27MPG Combined
2 Trims
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Updated February 27, 2026

The 2018 Infiniti Qx30 Compact Sedan provides 25–27 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 Infiniti Qx30 Specifications

SpecValue
Combined MPG25–27 combined MPG depending on trim
City MPG24
Highway MPG33
Body StyleCompact Sedan
Fuel TypePremium
DriveRWD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
4 cyl24/33/272.0L 4cylAutomatic (AM7)
4 cyl21/30/252.0L 4cylAutomatic (AM7)

Annual Fuel Cost

Based on EPA estimates, the 2018 Infiniti Qx30 costs approximately $2,250 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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