The 2.0-liter Hyundai D4HD or Smartstream D 2.0 TCi engine has been produced since 2020 and is installed on the popular Tucson crossovers in the NX4 body, as well as the Sportage in the NQ5 body. This is a new generation of concern diesel units with an aluminum block and a timing belt.
R family: D4HA, D4HB, D4HC, D4HD, D4HE, D4HF.
Specifications
| Production years | since 2020 |
| Displacement, cc | 1998 |
| Fuel system | Common Rail |
| Power output, hp | 186 |
| Torque output, Nm | 417 |
| Cylinder block | aluminum R4 |
| Block head | aluminum 16v |
| Cylinder bore, mm | 83 |
| Piston stroke, mm | 92.3 |
| Compression ratio | 16.0 |
| Features | SCR |
| Hydraulic lifters | yes |
| Timing drive | belt |
| Phase regulator | no |
| Turbocharging | BorgWarner |
| Recommended engine oil | 5W-30 |
| Engine oil capacity, liter | 5.6 |
| Fuel type | diesel |
| Euro standards | EURO 5/6 |
| Fuel consumption, L/100 km (for Hyundai Tucson 2022) — city — highway — combined |
7.7 5.4 6.3 |
| Engine lifespan, km | ~300 000 |
| Weight, kg | 194.5 |
The engine was installed on:
- Hyundai Tucson 4 (NX4) since 2020;
- Kia Sportage 5 (NQ5) since 2020.
Disadvantages of the Hyundai D4HD engine
- This diesel engine has appeared recently and all the malfunctions described below are still rare;
- On specialized forums, oil consumption from the first km of run is most often discussed;
- Owners also often complain about the rapid drop in coolant levels;
- A sophisticated SCR type exhaust cleaning system with AdBlue injection is also used;
- Otherwise, the resource of the new aluminum block and timing belt drive is interesting.
Frequently asked questions about the Hyundai-Kia D4HD
How much power does the Hyundai-Kia D4HD make?
The Hyundai-Kia D4HD develops 186 hp and 417 Nm of torque.
How much oil does the Hyundai-Kia D4HD take and which one?
Engine oil capacity: 5.6 liters. Recommended oil: 5W-30.
Does the Hyundai-Kia D4HD have a timing belt or chain?
The Hyundai-Kia D4HD uses a timing belt.
Is the Hyundai-Kia D4HD turbocharged?
Yes, the Hyundai-Kia D4HD is turbocharged (BorgWarner).
Does the Hyundai-Kia D4HD need valve clearance adjustment?
No, the Hyundai-Kia D4HD has hydraulic lifters, so the valve clearances do not need to be adjusted.
How long does the Hyundai-Kia D4HD last?
The typical lifespan of the Hyundai-Kia D4HD is ~300 000 km with proper maintenance.
What is the fuel consumption of the Hyundai-Kia D4HD?
Hyundai Tucson 2022: city 7.7, highway 5.4, combined 6.3 L/100 km.
What cars was the Hyundai-Kia D4HD installed on?
Hyundai Tucson 4 (NX4) since 2020; Kia Sportage 5 (NQ5) since 2020.
What are the common problems of the Hyundai-Kia D4HD?
This diesel engine has appeared recently and all the malfunctions described below are still rare. On specialized forums, oil consumption from the first km of run is most often discussed. All known problems.
