Two optional Lexicon-branded audio systems offer 7.1 channels and 14 or 17 speakers. For the 2008–09 model years, the 4.6 L engine produced 375 horsepower (280 k W) at 6,500 rpm and 333 lb⋅ft (451 N⋅m) at 3,500 rpm. The V8 can also run on regular unleaded, in which case the 2010–11 model produces 378 horsepower (282 k W) and 324 lb-ft.
For the V8 model, Hyundai has reported 0–60 mph times of less than 6 seconds.
Hyundai has been criticised by Korean consumers over the price discrepancy between the US and Korean markets.
Yonhap reports the Genesis costs "₩58.3 million (US,000) in Korea, whereas in the U. it sells for ,000." This has led to dumping allegations The Genesis sedan went on sale in the US in August 2008.
while Motor Trend reports a 0–60 mph time of 5.5 seconds in their October 2008 issue.
The Lambda 3.8 L V6 is available in Korean and North American models.
For 2010 the 4.6-liter Genesis was available in only one trim, with all packages made standard, including the Technology package.
The last changes to US models before the new generation was introduced included greater connectivity options via the Hyundai Blue Link interface, some revised controls, a new exterior body colour (Santiago Silver instead of Platinum Metallic), 18-inch wheels as standard on the base model, and Hyundai’'s Assurance Connected Care telematics services are standard for three years on all 2014 Genesis sedans equipped with Blue Link.The Lambda 3.3 L V6 is available in some markets, producing 264 horsepower (197 k W).In North America, the V8-powered Genesis features a standard ZF 6HP26 6-speed automatic transmission from ZF Friedrichshafen (same as the unit found in the 2004-2010 BMW 5 Series), with the base V6 models receiving a Hyundai manufactured 6-speed automatic.Equipment included a speed-sensitive rack-and-pinion steering, four-wheel disc brakes, multi-link front and 5-link rear suspension; and three engine choices, depending on market: A V8 with weight distribution of 53% front / 47% rear and two V6 engines with 52% front / 48% rear weight distribution.At introduction in the US, standard features included cruise control, automatic headlights, dual-zone automatic air conditioning, leather seat-upholstery and steering wheel, heated front seats with power adjustments, power windows, door locks, and mirrors, remote keyless entry and starting, and a seven-speaker audio system with XM satellite radio.