--- title: "2015-2019 Hyundai Sonata Specs: Weight, Fuel Tank, MPG" description: "Fuel tank 18.5 gallons. Curb weight, fuel economy, ground clearance and other key numbers for the 2015-2019 Hyundai Sonata, by engine and drivetrain." url: "https://whichcarparts.com/cars/hyundai/sonata/2015-2019/specs" updated: "2026-08-21" --- # 2015-2019 Hyundai Sonata Specifications Fuel tank 18.5 gallons. Curb weight, fuel economy, ground clearance and other key numbers for the 2015-2019 Hyundai Sonata, by engine and drivetrain. **Quick answer**: The 2015-2019 Hyundai Sonata holds 18.5 gallons of fuel and is rated 24 city / 35 hwy (2.4L); 28/38 (Eco 1.6T); 24/32 (2.0T); ~39/43 (Hybrid); ~40 combined + electric range (PHEV). ## 2015-2019 Hyundai Sonata key specs | Spec | Value | | --- | --- | | Fuel tank | 18.5 gallons | | Fuel economy | 24 city / 35 hwy (2.4L); 28/38 (Eco 1.6T); 24/32 (2.0T); ~39/43 (Hybrid); ~40 combined + electric range (PHEV) | | Key fob battery | CR2032 | ## 2015-2019 Hyundai Sonata engines | Engine | Trims | Power | Fuel | | --- | --- | --- | --- | | 2.4L 4-cylinder (Theta II GDI) | SE, Sport, Limited (2.4L) | 185 hp | Regular 87 octane | | 1.6L Turbo 4-cylinder (Gamma T-GDI, Eco) | Eco | 178 hp | Regular 87 octane | | 2.0L Turbo 4-cylinder (Theta II Turbo GDI) | Sport 2.0T, Limited 2.0T | 245 hp | Regular 87 octane | | 2.0L Hybrid / Plug-in Hybrid (Nu 2.0L GDI + electric motor) | Hybrid, Hybrid Limited, Plug-in Hybrid, Plug-in Hybrid Limited | 193 hp | Regular 87 octane | ## Which Hyundai Sonata model years does this cover? These specs specifications apply to every Hyundai Sonata built from 2015 through 2019, the LF (7th generation), mid-size sedan. Nothing in this specification changes between those model years. - [2015 Sonata](https://whichcarparts.com/cars/hyundai/sonata/2015) - [2016 Sonata](https://whichcarparts.com/cars/hyundai/sonata/2016) - [2017 Sonata](https://whichcarparts.com/cars/hyundai/sonata/2017) - [2018 Sonata](https://whichcarparts.com/cars/hyundai/sonata/2018) - [2019 Sonata](https://whichcarparts.com/cars/hyundai/sonata/2019) ## What changed during the 2015-2019 Hyundai Sonata | Years | What changed | | --- | --- | | 2015 | Generation launch on the LF platform; Eco 1.6T added | | 2016 | Hybrid and Plug-in Hybrid trims join the lineup with the Nu 2.0L GDI hybrid powertrain | | 2018 | Mid-cycle facelift arrives; a new mid-range SEL trim is added with Blue Link telematics, SiriusXM, HD Radio, and a power driver's seat standard (base SE and Eco lose those items as standard equipment) | | 2018-2019 | Mid-cycle facelift: new front/rear styling, revised interior with digital instrument cluster option, Eco 1.6T dropped from some markets late in the run | | 2019 | Final model year of the LF generation; facelifted trim lineup and styling carry over unchanged ahead of the all-new DN8 for 2020 | ## 2015-2019 Hyundai Sonata specs: common questions ### How big is the fuel tank on a 2015-2019 Hyundai Sonata? 18.5 gallons. ### What gas mileage does a 2015-2019 Hyundai Sonata get? 24 city / 35 hwy (2.4L); 28/38 (Eco 1.6T); 24/32 (2.0T); ~39/43 (Hybrid); ~40 combined + electric range (PHEV) on the EPA cycle. ## Sources - [Wikipedia, Hyundai Sonata, seventh generation (LF) production/model-year details](https://en.wikipedia.org/wiki/Hyundai_Sonata) - [Checkered Flag Hyundai, Sonata oil type/capacity by model year](https://www.checkeredflaghyundaiworld.com/blog/hyundai-sonata-oil-type/) - [Lionheart Tires, Hyundai Sonata factory tire sizes by generation](https://lionharttires.com/hyundai-sonata-tires/) - [YouTube, LF Sonata cabin air filter part number (97133-C...)](https://www.youtube.com/shorts/Cpzsf9WLPbI) - [Filterbuy, Sonata cabin air filter location and hybrid part number](https://filterbuy.com/air-filters/cabin/by-vehicle/hyundai/sonata/) - [NHTSA, Hyundai consent order, Nov. 2020 (Theta II engine warranty extension)](https://www.nhtsa.gov/document/hyundaiconsentorder11272020) ## Other Hyundai Sonata generations - [2020-2025 Hyundai Sonata specs](https://whichcarparts.com/cars/hyundai/sonata/2020-2025/specs) - [2011-2014 Hyundai Sonata specs](https://whichcarparts.com/cars/hyundai/sonata/2011-2014/specs) Or [compare all generations](https://whichcarparts.com/cars/hyundai/sonata/specs). ## More for the 2015-2019 Hyundai Sonata - [Oil & filter](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/oil) - [Battery](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/battery) - [Tires & wheels](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/tires) - [Wiper blades](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/wipers) - [Air & cabin filters](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/filters) - [Bulbs](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/bulbs) - [Brakes](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/brakes) - [Fluids](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/fluids) - [Service schedule](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/service-schedule) - [Problems & reliability](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/common-problems) - [Oil light reset](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/oil-reset) - [Key fob battery](https://whichcarparts.com/cars/hyundai/sonata/2015-2019/key-fob-battery) Specifications vary with engine option, production date, and market.