The 3.5-liter Hyundai-Kia G6DT or Smartstream G 3.5 GDi engine has been produced since 2021 and is currently only fitted in the top versions of the popular Kia K8 sedan on the Korean market. The engine stands out for its use of combined injection, i.e., direct and dispersed. Lambda Line: G6DE G6DH G6DJ G6DM G6DN G6DP G6DS G6DU G6DV
| Exact capacity | 3470 cm³ |
| Power system | GDi + MPi |
| Engine power | 300 HP |
| Torque | 359 nm |
| Engine block | aluminum V6 |
| Block head | aluminum 24v |
| Cylinder diameter | 92 mm |
| Piston stroke. | 87 mm |
| Compression ratio | 12.3 |
| Engine features | VIS |
| Hydraulic compensator. | tak |
| Timing drive | chain |
| Timing phase adjuster | Dual CVVT |
| Turbocharging | there is no |
| What oils to use | 6.1 liters 0W-20 |
| Fuel type | 92 |
| Environmental class | EURO 6 |
| Approximate life expectancy | 300 000 HP |
| City | 11.1 litry |
| Route | 7.5 litry |
| Mixed | 8.7 litry |
The weight of the G6DT engine according to the catalog is 205 kg. The engine number G6DT is located at the junction of the engine and the gearbox. This unit has just appeared and there is no statistics of malfunctions yet. On Korean forums, the engine is praised for decent traction and moderate fuel consumption. Like all aluminum V6 engines, this engine is afraid of overheating, so keep an eye on the cooling system. No complaints about excessive oil consumption have been found, but generally engines of this family are prone to it. The cylinder head has hydraulic compensators and valve clearance adjustment is not required.
| Grandeur 7 (GN7) | 2022 - CE |
| K8 1 (GL3) | 2021 - CE |
2.0-liter engine Hyundai G4NE or 2.0 MPi Hybrid was produced by the company from 2012 to 2015 and installed in hybrid versions of Sonata 6 and similar Kia Optima 3 on the Asian market. In the American market, such hybrids were equipped with a 2.4-liter engine G4KK from the Theta II series. The Nu series also includes the following internal combustion engines: G4NA, G4NB, G4NC, G4ND, G4NG, G4NH, and G4NL.
The 3.5-liter V6 petrol engine Hyundai G6AU was only produced from 1994-1999 and installed in the highest versions of the most expensive models Grandeur and Dynasty. This power unit is actually a clone of the 24-valve version of the Mitsubishi engine 6G74. The Sigma family also includes engines: G6AV, G6AT, G6CT, and G6CU.
The 1.6-liter Hyundai G4CR engine was produced from 1990 to 1995 under license, as it was practically a copy of the Mitsubishi 4G61 engine and used in the first generation of the Lantra model. Unlike other engines in this series, it never had balancing shafts. The Sirius engine series includes: G4CM, G4CN, G4JN, G4JP, G4CP, G4CS, and G4JS.
The 2.4-liter Hyundai G4KK or 2.4 MPi Hybrid engine has been produced by the company since 2011 and installed in hybrid versions of the Grandeur model and the similar Kia Cadenza sedan. It has also been installed in hybrid versions of the Hyundai Sonata and Kia Optima for the American market. Theta Line: G4KE G4KF G4KG G4KJ G4KL G4KM G4KN G4KR G4KP
The 1.8-liter Ford CFBA or 1.8 Duratec SCi engine was produced only from 2003 to 2007 and was exclusively installed in the third generation European version of the Mondeo after the first facelift. This power unit gained a negative reputation due to its temperamental fuel system. Duratec HE: QQDB CHBA AODA AOWA CJBA XQDA SEBA SEWA YTMA
The 2.0-liter turbocharged Subaru EJ206 engine was produced by the Japanese company from 1998 to 2003 and was exclusively installed in the sport versions of the Legacy model for the local car market. This powertrain existed in one version with a power output of 260 horsepower and a torque of 320 Nm. The EJ20T line also includes the following engines: EJ20G, EJ205, EJ207, and EJ208.