2018 Porsche 911 Carrera Gts Cabriolet

Compact Sedan Premium
Porsche 911 Carrera Gts Cabriolet 2018
22MPG Combined
2 Trims
← 2017 2018 2019 →
Updated February 27, 2026

The 2018 Porsche 911 Carrera 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 Gts Cabriolet Specifications

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

Available Trims

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

Annual Fuel Cost

Based on EPA estimates, the 2018 Porsche 911 Carrera 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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