2018 Porsche 911 Carrera 4 Gts Cabriolet

Compact Sedan Premium
Porsche 911 Carrera 4 Gts Cabriolet 2018
22MPG Combined
2 Trims
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Updated February 27, 2026

The 2018 Porsche 911 Carrera 4 Gts Cabriolet is a Compact Sedan that delivers 21–22 combined MPG depending on trim. Here’s everything you need to know about this vehicle, from fuel economy to safety ratings.

2018 Porsche 911 Carrera 4 Gts Cabriolet Specifications

SpecValue
Combined MPG21–22 combined MPG depending on trim
City MPG20
Highway MPG26
Body StyleCompact Sedan
Fuel TypePremium
Drive4WD
Available Trims2

Available Trims

TrimMPG (City/Hwy/Combined)EngineTransmission
Man18/26/213.0L 6cylManual 7-spd
6 cyl20/25/223.0L 6cylAutomatic (AM-S7)

Annual Fuel Cost

Based on EPA estimates, the 2018 Porsche 911 Carrera 4 Gts Cabriolet costs approximately $2,725 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.

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