The Hyundai Sigma engine is what

Hyundai Motor Company Hyundai Motor Company, often referred to as Hyundai Motors, ( ) and commonly known as Hyundai (), is a South Korean multinational corporation, multinational Automotive industry, automotive manufacturer headquartered in Seoul, South Korea, which ...

called the

Mitsubishi 6G7 engine The 6G7 series or Cyclone V6 engine is a series of V6 piston engines from Mitsubishi Motors. Five displacement variants were produced from 1986 to 2021, with both SOHC and DOHC, naturally aspirated and turbo charged layouts. The 2.5, 3.0, and ...

when manufactured in South Korea. It is a series of V6

piston engine A reciprocating engine, more often known as a piston engine, is a heat engine that uses one or more Reciprocating motion, reciprocating pistons to convert high temperature and high pressure into a Circular motion, rotating motion. This article ...

s. The Sigma engine family began life with the simple V6 name. Displacement ranges from .

2.5L (G6AV)

The

DOHC An overhead camshaft (OHC) engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combus ...

G6AV (also called the 2.5 D, "D" for DOHC) 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

Hyundai Dynasty The Hyundai Dynasty is a premium executive sedan that debuted in 1996. Manufactured by Hyundai Motor Company, features of the Dynasty included electronically controlled suspension, dual climate control, and power memory seats (front and rear). T ...

(1997–2005) * Hyundai Grandeur (LX) (1995–1998) *

Hyundai Marcia The Hyundai Sonata () is a mid-size car that has been manufactured by Hyundai since 1985. The first generation Sonata, which was introduced in 1985, was a facelifted version of the Hyundai Stellar with an engine upgrade, and was withdrawn fro ...

(1995–1998)

3.0L (G6AT/G6CT)

The

G6AT and G6CT (also called the 3.0 D, "D" for DOHC) 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 An overhead camshaft (OHC) engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combus ...

G6AT 3.0 S produces just at 5,000 rpm and at 2,500–3,000 rpm.

Applications

(1996–2005) * Hyundai Equus (LZ) (1999–2005) *

Hyundai Galloper The Hyundai Galloper (), also known as the Galloper Exceed, Galloper Innovation, Mitsubishi Galloper, Asia Galloper or Hawtai Jitian, is a Full-size SUV manufactured by the South Korean manufacturer Hyundai Motor Company, Hyundai from 1991 to 2 ...

(1994–2000) *

Hyundai Grandeur The Hyundai Grandeur () is a Full-size car, full-size Sedan (automobile), sedan manufactured and marketed by the South Korean manufacturer Hyundai Motor Company, Hyundai since 1986, over seven generations. From 1986 to 1996, the Grandeur was the ...

(1989–2005) * Hyundai Sonata (Y3) (1990–1998) * Hyundai Starex (A1) (1999–2003) * Hyundai XG300 (2001) *

Kia Opirus The Kia Opirus is an executive car/full-size Sedan (automobile), sedan, manufactured by Kia Motors and marketed over a single generation for model years 2003–2012 globally and 2004-2009 in North America. Having debuted internationally at the 2003 ...

(2003–2006)

3.0L LPG (L6AT)

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

(1998–2003) *

Hyundai Libero The Hyundai Starex () is a series of light commercial vehicles built by Hyundai. The first-generation models were known in Europe as Hyundai H-1, and in the Netherlands as Hyundai H200. The cargo variant of the second-generation models was markete ...

(2000–2007) * Hyundai Starex (A1) (1999–2003)

3.5L (G6AU/G6CU)

The G6AU and G6CU (both also called the 3.5 D ) 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 Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of a fuel injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All co ...

, has 4 valves per cylinder, and features

forged steel Forging is a manufacturing process involving the shaping of metal using localized compressive forces. The blows are delivered with a hammer (often a power hammer) or a die. Forging is often classified according to the temperature at which ...

connecting rod A connecting rod, also called a 'con rod', is the part of a reciprocating engine, piston engine which connects the piston to the crankshaft. Together with the crank (mechanism), crank, the connecting rod converts the reciprocating motion of the p ...

s. 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 Kia Corporation (, formerly known as Kyungsung Precision Industry (京城精密工業) and Kia Motors Corporation) is a South Korean multinational corporation, multinational Automotive industry, automobile manufacturer headquartered in Seoul, ...

minivan Minivan (sometimes called simply a van) is a car classification for vehicles designed to transport passengers in the rear seating row(s), with reconfigurable seats in two or three rows . The equivalent classification in Europe is MPV (multi-p ...

in 2001.

Applications

(1996–1999) * Hyundai Equus (LZ) (1999–2005) *

(1994–1996, 2002–2005) * Hyundai Santa Fe (SM) (2002–2005) *

Hyundai Terracan The Hyundai Terracan is a mid-size SUV produced by the South Korean manufacturer Hyundai Motor Company from 2001 to 2007. It was kept in production in China, by Hawtai Motor Group, until 2011. Overview The design of the Hyundai Terracan was orig ...

(2001–2007) * Hyundai XG350 (XG) (2002–2005) *

(2003–2006) * Kia Sedona (GQ) (2001–2005) * Kia Sorento (BL) (2003–2006)

2.5L (G6AV)

Applications

3.0L (G6AT/G6CT)

Applications

3.0L LPG (L6AT)

Applications

3.5L (G6AU/G6CU)

Applications

See also