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2017–2020 AD (6th generation)

2017–2020 Hyundai Elantra Specifications

Fuel tank 14 gallons. Curb weight, fuel economy, ground clearance and other key numbers for the 2017–2020 Hyundai Elantra, by engine and drivetrain.

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Quick answer

The 2017–2020 Hyundai Elantra holds 14 gallons of fuel and is rated 29 city / 38 hwy (2.0L auto); 33/41 (1.4T Eco DCT); 28/37 (1.6T Sport auto/manual).

2017–2020 Hyundai Elantra key specs

SpecValue
Fuel tank14 gallons
Fuel economy29 city / 38 hwy (2.0L auto); 33/41 (1.4T Eco DCT); 28/37 (1.6T Sport auto/manual)
Curb weight2,811 lbs
Key fob batteryCR2032

2017–2020 Hyundai Elantra engines

EngineTrimsPowerFuel
2.0L 4-cylinder MPI (Nu)SE, SEL, Value Edition, Limited147 hpRegular 87 octane
1.4L Turbo (Kappa T-GDI, Eco)Eco128 hpRegular 87 octane
1.6L Turbo (Gamma T-GDI, Sport)Sport201 hpRegular 87 octane (premium recommended for peak output)

Which Hyundai Elantra model years does this cover?

These specs specifications apply to every Hyundai Elantra built from 2017 through 2020 — the AD (6th generation), compact sedan. Nothing in this specification changes between those model years. Pick your year for the engines it offered, what changed that year, and the problems recorded against it.

What changed during the 2017–2020 Hyundai Elantra

  • 2017AD generation launch; 2.0L MPI base engine, 1.4T Eco introduced
  • 20181.6T Sport sedan added, replacing the previous-generation naturally aspirated Sport
  • 2019Facelift: new front/rear fascias, standard LED DRLs, available LED headlights on upper trims
  • 2020Final model year before the CN7 redesign; carryover engines

2017–2020 Hyundai Elantra specs: common questions

How big is the fuel tank on a 2017–2020 Hyundai Elantra?

14 gallons.

What does a 2017–2020 Hyundai Elantra weigh?

About 2,811 lbs at the curb, before passengers and cargo.

What gas mileage does a 2017–2020 Hyundai Elantra get?

29 city / 38 hwy (2.0L auto); 33/41 (1.4T Eco DCT); 28/37 (1.6T Sport auto/manual) on the EPA cycle.

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