2018 Porsche 911 Carrera 4 Cabriolet

Compact Sedan Premium
Porsche 911 Carrera 4 Cabriolet 2018
24MPG Combined
2 Trims
← 2017 2018 2019 →
Updated February 27, 2026

The 2018 Porsche 911 Carrera 4 Cabriolet Compact Sedan provides 22–24 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 Porsche 911 Carrera 4 Cabriolet Specifications

SpecValue
Combined MPG22–24 combined MPG depending on trim
City MPG21
Highway MPG28
Body StyleCompact Sedan
Fuel TypePremium
Drive4WD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
6 cyl21/28/243.0L 6cylAutomatic (AM-S7)
Man19/28/223.0L 6cylManual 7-spd

Annual Fuel Cost

Based on EPA estimates, the 2018 Porsche 911 Carrera 4 Cabriolet costs approximately $2,550 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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