Hyundai Sigma engine


The Hyundai Sigma engine is what Hyundai Motor Company called the Mitsubishi 6G7 engine when manufactured in South Korea. It is a series of V6 piston engines. The Sigma engine family began life with the simple V6 name. Displacement ranges from.

2.5L (G6AV)

The DOHC G6AV is the small version. Bore is and stroke is shared with the at. Output is at 6,000 rpm and at 4,500 rpm.

Applications

The DOHC G6AT and G6CT both displace. They share the 2.5's stroke but use a larger bore. Output for the older G6AT is at 6,000 rpm and at 4,000–4,500 rpm, while the G6CT produces at 5,500–6,000 rpm and at 3,500–4,000 rpm.
The older SOHC G6AT '3.0 S' produces just at 5,000 rpm and at 2,500–3,000 rpm.

Applications

The L6AT displace. They share the 2.5's stroke but use a larger bore. Output is at 4,500 rpm and at 2,500 rpm.

Applications

The G6AU and G6CU are the large versions of the Sigma engine. Bore and stroke are both larger at, respectively. Output is at 5,500 rpm and at 4,000 rpm for the older G6AU and at 5,500–6,000 rpm and at 3,500 rpm for the newer G6CU.
The 3.5 D has a cast iron engine block and aluminum DOHC cylinder heads. It uses Multi-port fuel injection, has 4 valves per cylinder, and features forged steel connecting rods. It is designed to run on "regular" unleaded gasoline rather than the premium fuel used in many other high-output V6 engines.
The US-market version produces at 5,500 rpm with of torque at 3,500 rpm. It was introduced with the Kia Sedona minivan in 2001.

Applications