2018 Ford Mustang GT Convertible fuel economy
The 2018 Ford Mustang GT Convertible does 13.1 L/100 km (21.6 mpg, 18 US mpg) on the official combined test. Work out what a trip costs in your money below.

Key figures
Every version of this generation
Figures for each engine and gearbox in this generation. In Motora, owners pick theirs so drives are costed for their exact car.
| Version | Years | Gearbox | Power | L/100 km | mpg |
|---|---|---|---|---|---|
| 2.3 EcoBoost 317/290 | 2015–2023 | 312 hp | 8.2 | 34.4 | |
| 5.0 V8 GT 416/450 | 2015–2023 | 434 hp | 13.5 | 20.9 |
What does a trip cost?
Real-world economy
Official figures come from a lab test. On the road, motorway speeds, short trips, traffic and cold weather usually use more. Motora records each drive in your Mustang GT Convertible and works out what it really used from how you drove, priced with pump prices near you. How the drive tracker works.
Build it in 3D
Put your Mustang GT Convertible in your Motora garage, paint it, fit wheels and a body kit, set the stance and park it next to your friends’ cars. See the 3D garage.
More Ford cars
2013 Ford Mustang GTPetrol · 12.8 L/100 km · 22 mpg
2015 Ford Mustang GTPetrol · 14.1 L/100 km · 20.1 mpg
2018 Ford Mustang GTPetrol · 12.9 L/100 km · 21.9 mpg
2024 Ford Mustang GTPetrol · 12.8 L/100 km · 22.1 mpg
2008 Ford FiestaPetrol · 6.2 L/100 km · 45.6 mpg
2013 Ford Fiesta STPetrol · 5.9 L/100 km · 47.9 mpg
2014 Ford Fiesta STPetrol · 5.9 L/100 km · 47.9 mpg
2019 Ford Fiesta STPetrol · 6.8 L/100 km · 41.5 mpgPut your Mustang GT Convertible in Motora
Build it in your 3D garage, and Motora records every drive and works out what it cost in fuel.
Get the appFigures are official combined (WLTP) results and can differ a little between markets. Calculator prices are examples.