The Hyundai

Hyundai Motor Company

Hyundai Motor Company is a Korean multinational automaker based in Seoul, South Korea which, along with Kia, comprises the Hyundai Kia Automotive Group, the world's fourth largest automaker as of 2009. As of 2011, it is the world's fastest growing automaker for two years running...

 Sigma engine family began life with the simple V6 name. Displacement ranges from 2.5 L to 3.5 L.

2.5

The DOHC carbureted

Carburetor

A carburetor , carburettor, or carburetter is a device that blends air and fuel for an internal combustion engine. It is sometimes shortened to carb in North America and the United Kingdom....

G6AV (also called the 2.5 D) is the small 2497 cc version. Bore is 83.5 mm (3.3 in) and stroke is shared with the 3.0 at 76 mm (3 in). Output is 160 hp

Horsepower

Horsepower is the name of several units of measurement of power. The most common definitions equal between 735.5 and 750 watts.Horsepower was originally defined to compare the output of steam engines with the power of draft horses in continuous operation. The unit was widely adopted to measure the...

 (119 kW) at 6000 rpm and 151 ft·lbf (204 N m) at 4500 rpm.

3.0

The DOHC G6AT and G6CT (also called the 3.0 D) both displace 2972 cc. They share the 2.5's 76 mm (3 in) stroke but use a larger 91.1 mm (3.6 in) bore. Output for the older G6AT is 182 hp (136 kW) at 6000 rpm and 178 ft·lbf (241 N m) at 4500 rpm, while the G6CT produces 189 hp (141 kW) at 6000 rpm and 191 ft·lbf (260 N m) at 4000 rpm.

The older SOHC G6AT 3.0 S produces just 158 hp (118 kW) at 5000 rpm and 177 ft·lbf (240 N m) at 3000 rpm.

Applications(US)

• 2001 Hyundai Grandeur XG300

Applications(Korea)

• 1999-2005 Hyundai Dynasty
  Hyundai Dynasty
  The Hyundai Dynasty is a premium executive sedan that debuted in 1996. The features of the Dynasty were electronically controlled suspension, dual climate control, and power memory seats . In order to differentiate the Dynasty from its platform-shared Grandeur, Hyundai used a different badge for...
  
  
• 1999-2005 Hyundai Equus
  Hyundai Equus
  The Hyundai Equus , known as the Hyundai Centennial in the Middle East, is an upscale full-size luxury car that serves as the flagship model of Hyundai Motor Company worldwide, named after the Latin word for "horse". The Hyundai Equus is the largest and most expensive sedan in the company's lineup...
  
  

3.5

The G6AU and G4HC (both also called the 3.5 D ) are the large 3497 cc versions of the Sigma engine. Bore and stroke are both larger at 93 mm (3.7 in) and 85.8 mm (3.4 in) respectively. Output is 200 hp (149 kW) at 5500 rpm and 214 ft·lbf (290 N m) at 4800 rpm for the older G6AU V6 and 217 hp (162 kW) at 5500 rpm and 232 ft·lbf (314 N m) at 3500 rpm for the new G4HC Sigma.

The 3.5 D has a cast iron engine block and aluminum DOHC cylinder heads. It uses MFI fuel injection

Fuel injection

Fuel injection is a system for admitting fuel into an internal combustion engine. It has become the primary fuel delivery system used in automotive petrol engines, having almost completely replaced carburetors in the late 1980s....

, 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 194 hp (145 kW) at 5500 rpm with 219 ft·lbf (297 N m) of torque at 3500 rpm. It was introduced with the Kia Sedona minivan

Minivan

Minivan is a type of van designed for personal use. Minivans are typically either two-box or one box designs for maximum interior volume – and are taller than a sedan, hatchback, or a station wagon....

 in 2001.

Applications(US)

• 2002-2005 Hyundai XG350
• 2003-2006 Hyundai Santa Fe
  Hyundai Santa Fe
  The Hyundai Santa Fe is a mid-size crossover SUV based on the Hyundai Sonata platform. Named after the city of Santa Fe, New Mexico, it was introduced for the 2001 model year as Hyundai's first SUV, released at the same time as the Ford Escape/Mazda Tribute and Pontiac Aztek...
  
  

Applications(Korea)

• 1999-2005 Hyundai Dynasty
  Hyundai Dynasty
  The Hyundai Dynasty is a premium executive sedan that debuted in 1996. The features of the Dynasty were electronically controlled suspension, dual climate control, and power memory seats . In order to differentiate the Dynasty from its platform-shared Grandeur, Hyundai used a different badge for...
  
  
• 2002-2007 Hyundai Terracan
  Hyundai Terracan
  The Hyundai Terracan is a SUV that was produced by Hyundai Motor Company from 2001 to 2007. It was based on the Hyundai Highland concept . The target market for the Terracan mainly consisted of middle aged people looking for a cheaper alternative to other urban SUV's such as the Ford Explorer...
  
  
• 2002-2005 Hyundai Grandeur
  Hyundai Grandeur
  The New Grandeur and the third generation of the Mitsubishi Debonair were the products of a joint development between Hyundai and Mitsubishi Motors. Mitsubishi was responsible for the powertrain, and Hyundai was responsible for the body and trim design...
  
  

Applications(Kia)

• 2001-2005 Kia Sedona
• 2004-2006 Kia Amanti
• 2003-2006 Kia Sorento
  Kia Sorento
  The Kia Sorento is a mid-size crossover SUV produced since 2002 by the South Korean automaker Kia Motors.- First generation :...
  
  

This Engine is no longer used by Kia/Hyundai automotive group.