2020–2025 DN8 (8th generation)
2020–2025 Hyundai Sonata Specifications
Fuel tank 15.9 gallons. Curb weight, fuel economy, ground clearance and other key numbers for the 2020–2025 Hyundai Sonata, by engine and drivetrain.
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Quick answer
The 2020–2025 Hyundai Sonata holds 15.9 gallons of fuel and is rated 28 city / 38 hwy (2.5L); ~27/36 (1.6T); ~23/33 (2.5T N Line); ~45/51 (Hybrid, varies by trim).
2020–2025 Hyundai Sonata key specs
| Spec | Value |
|---|---|
| Fuel tank | 15.9 gallons |
| Fuel economy | 28 city / 38 hwy (2.5L); ~27/36 (1.6T); ~23/33 (2.5T N Line); ~45/51 (Hybrid, varies by trim) |
| Key fob battery | CR2032 |
2020–2025 Hyundai Sonata engines
| Engine | Trims | Power | Fuel |
|---|---|---|---|
| 2.5L 4-cylinder (Smartstream G4KN GDI) | SE, SEL, Limited (2.5L) | 191 hp | Regular 87 octane |
| 1.6L Turbo 4-cylinder (Smartstream G1.6 T-GDI) | Limited 1.6T | 180 hp | Regular 87 octane |
| 2.5L Turbo 4-cylinder (Smartstream G2.5 T-GDI, N Line) | N Line | 290 hp | Regular 87 octane (premium recommended for peak output) |
| 1.6L Turbo Hybrid (Smartstream G1.6 T-GDI + electric motor) | Hybrid, Hybrid Limited, Hybrid Blue | 192 hp | Regular 87 octane |
Which Hyundai Sonata model years does this cover?
These specs specifications apply to every Hyundai Sonata built from 2020 through 2025 — the DN8 (8th generation), mid-size 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 2020–2025 Hyundai Sonata
- 2020Generation launch; 2.5L and 1.6T gas engines, plus Hybrid, at launch
- 2021N Line trim introduced with the 2.5T Smartstream engine; 1.6T dropped from most trims
- 2022N Line Night Edition appearance package added; panoramic sunroof newly available
- 2023SEL trim gains a larger touchscreen infotainment system with navigation; Highway Driving Assist added to the driver-assist suite
- 2024Facelift with revised front/rear styling and updated interior tech
2020–2025 Hyundai Sonata specs: common questions
How big is the fuel tank on a 2020–2025 Hyundai Sonata?
- 15.9 gallons.
What gas mileage does a 2020–2025 Hyundai Sonata get?
- 28 city / 38 hwy (2.5L); ~27/36 (1.6T); ~23/33 (2.5T N Line); ~45/51 (Hybrid, varies by trim) on the EPA cycle.
Sources
- Wikipedia, Hyundai Smartstream engine family (G1.6T, G1.6T Hybrid, displacement/output data)
- AMSoil lookup, 2022 Sonata 2.5L oil viscosity/capacity
- Costa Oils, 2023 Sonata 2.5L Turbo (N Line) oil guide
- Hyundai Forums, N Line owner's manual 0W-30 vs. 0W-20 cap discussion
- Goodyear, 2024 Sonata factory tire fitments by trim
- Headquarter Hyundai, 2020 Sonata fuel tank capacity and EPA mpg
- US News, 2021 Sonata Limited 1.6T engine specs
- Go-Parts, 2021–2024 Hyundai/Kia 2.5L Smartstream (G4KN) oil dilution/piston-ring notes