In this guide, we will provide a complete Hyundai Sonata engine compatibility chart, detailing engines, model years, and relevant specifications to help car owners, mechanics, and enthusiasts make informed decisions.
Hyundai Sonata Engine Compatibility Chart
| Model Year | Engine Type | Engine Code | Displacement | Fuel Type | Compatible Transmissions | Notes |
|---|---|---|---|---|---|---|
| 2006-2010 | Theta 2.4L | G4JD | 2.4L I4 | Gasoline | 5-Speed Manual, 4/5-Speed Automatic | Found in GLS, SE, and Limited trims. |
| 2006-2010 | Lambda 3.3L V6 | G6DB | 3.3L V6 | Gasoline | 5-Speed Automatic | Limited trims; robust engine with good reliability. |
| 2006-2010 | Lambda 3.8L V6 | G6DA | 3.8L V6 | Gasoline | 5-Speed Automatic | Found in higher-end trims; used in some markets. |
| 2010-2014 | Theta II 2.4L | G4KB | 2.4L I4 | Gasoline | 6-Speed Automatic, 6-Speed Manual | Standard mid-trim engine; compatible with multiple transmissions. |
| 2010-2014 | Lambda 3.5L V6 | G6DB | 3.5L V6 | Gasoline | 6-Speed Automatic | Luxury trim engine; smooth performance. |
| 2011-2017 | Nu 2.0L Turbo | T-GDI | 2.0L I4 | Gasoline | 6-Speed Manual, 6-Speed Automatic | Found in Sport and Sport 2.0T trims; performance-oriented. |
| 2015-2017 | Lambda II 2.0L | G4KF | 2.0L I4 | Gasoline | 6-Speed Automatic | Base trims in US and global markets. |
| 2015-2017 | Lambda II 2.4L | G4KJ | 2.4L I4 | Gasoline | 6-Speed Automatic | SE and Limited trims; widely compatible. |
| 2015-2017 | Lambda II 2.0L Turbo | G4KH | 2.0L I4 Turbo | Gasoline | 6-Speed Automatic | Sport trim; requires specific transmission for turbo. |
| 2015-2020 | Smartstream 2.5L | G4KL | 2.5L I4 | Gasoline | 8-Speed Automatic | Modern, efficient engine for mid-to-high trims. |
| 2015-2020 | Smartstream 1.6L Turbo | G4FP | 1.6L I4 Turbo | Gasoline | 7-Speed DCT | Eco trims; smaller, efficient turbo engine. |
| 2018-2020 | Lambda II 2.5L | G4KL | 2.5L I4 | Gasoline | 8-Speed Automatic | Compatible with SEL, Limited trims. |
| 2018-2020 | Nu 2.0L Turbo | T-GDI | 2.0L I4 | Gasoline | 8-Speed Automatic | Sport trims; newer turbo design. |
| 2020-2023 | Smartstream 2.5L | G4KL | 2.5L I4 | Gasoline | 8-Speed Automatic | Enhanced efficiency and reduced emissions. |
| 2020-2023 | Smartstream Hybrid 2.0L | G4NB | 2.0L I4 Hybrid | Gasoline + Electric | CVT | Hybrid models; integrates with electric system. |
| 2020-2023 | Smartstream Plug-in Hybrid 1.6L Turbo | G4FP | 1.6L I4 Turbo | Gasoline + Electric | 6-Speed Automatic | PHEV-specific engine; requires hybrid modules. |
| 2023-Present | Smartstream 2.5L | G4KL | 2.5L I4 | Gasoline | 8-Speed Automatic | Current generation engine for all trims. |
| 2023-Present | Smartstream 1.6L Turbo | G4FP | 1.6L I4 Turbo | Gasoline | 7-Speed DCT | Sport trims with performance tuning. |
| 2023-Present | Smartstream Hybrid 2.0L | G4NB | 2.0L I4 Hybrid | Gasoline + Electric | CVT | Hybrid trims; requires battery and electric control integration. |
| 2002-2005 | Beta II 2.0L | G4JP | 2.0L I4 | Gasoline | 5-Speed Manual, 4-Speed Automatic | Early Sonata models; base trims. |
| 2002-2005 | Beta II 2.7L V6 | G6BA | 2.7L V6 | Gasoline | 5-Speed Automatic | Higher trims; smooth V6 option. |
| 1999-2001 | Alpha 2.0L | G4CP | 2.0L I4 | Gasoline | 5-Speed Manual, 4-Speed Automatic | Classic Sonata base engine. |
| 1999-2001 | Alpha 2.5L V6 | G6BV | 2.5L V6 | Gasoline | 4-Speed Automatic | Luxury trims; older V6 option. |
| 1999-2005 | 2.0L Diesel | D4EA | 2.0L I4 | Diesel | 5-Speed Manual | Markets outside the US; compatible with diesel Sonata models. |
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Understanding Hyundai Sonata Engine Compatibility
Hyundai Sonata engines are generally reliable and can last for hundreds of thousands of miles if properly maintained. However, understanding engine compatibility is essential when replacing engines, upgrading parts, or performing maintenance.
Here’s a breakdown of key points:
1. Engine Codes
Each Hyundai engine has a unique engine code (like G4KL, G4FP, or G4KB), which is critical when sourcing replacement parts or performing an engine swap. Matching the engine code ensures that all sensors, mounts, and transmission connections are compatible.
2. Displacement & Fuel Type
Engines vary in displacement, from 1.6L turbocharged options to 3.5L V6 variants. Fuel type (gasoline or hybrid) determines not only performance but also the correct transmission, ECU programming, and emission components.
3. Transmission Compatibility
Transmissions must match engine specifications. For example, the 2.0L turbo engine (T-GDI) works with specific 6-speed or 8-speed automatics or dual-clutch transmissions. Hybrid engines require CVTs designed for electric integration.
4. Model Year Considerations
Certain engines are only compatible with specific model years due to design updates, emissions regulations, and chassis modifications. Always check the engine compatibility table before replacing or upgrading your engine.
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Common Engine Swaps & Replacements
For Hyundai Sonata owners looking to perform engine swaps, the following swaps are most common:
1. 2.4L I4 Replacement:
- Can be swapped across 2010–2017 SE and Limited trims.
- Requires minor ECU tuning for newer 2.4L engines.
2. 2.0L Turbo Upgrade:
- Suitable for 2011–2023 Sport models.
- Ensure a matching turbo transmission for proper power delivery.
3. Hybrid Integration:
- 2.0L hybrid engines can only be installed in hybrid-compatible frames and CVT systems.
- Plug-in hybrid requires battery and electric control module alignment.
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Tips for Engine Compatibility Checks
- Check the VIN: Your vehicle identification number will provide exact information about the original engine and compatible replacements.
- Consult a mechanic: Especially for turbo and hybrid engines, professional assessment ensures all electronic and mechanical components are compatible.
- Verify emissions compliance: Newer engines may require upgraded catalytic converters or emission modules.
- Use OEM parts: Engine swaps often fail if non-OEM parts are used for mounts, wiring, or ECU programming.
Final words
Understanding Hyundai Sonata engine compatibility is critical for maintenance, repairs, and performance upgrades. By referring to the detailed chart above, you can quickly identify which engines are suitable for your Sonata model year, transmission type, and trim. Always confirm compatibility before purchasing replacement engines or parts to ensure a smooth and reliable performance.
The Sonata continues to be a versatile sedan, offering a range of engines from efficient 1.6L turbo units to robust 3.5L V6 powerplants, as well as hybrid and plug-in hybrid variants for eco-conscious drivers. Using this guide, owners and mechanics can confidently make the right choices for engine replacements and upgrades.



