For 2010, the only option powering the Lexus SC 430 luxury convertible is a dual overhead cam (DOHC), 90o eight cylinder, 4.3 liter, V8, gasoline engine. This engine features direct port sequential fuel injection, has four cams and is equipped with Lexus’ variable valve timing and camshaft with intelligence.
Maximum horsepower of this engine is 288 delivered at 5,600 rpm. The torque is rated at a maximum 317 foot pounds and is produced when the engine is operating at a speed of 3,400 rpm. The engine Is made from an Aluminum block and has aluminum heads has a bore of 91 mm and a stroke of 82.5 mm and a compression ratio of 10.5 to 1. The efficiency and power of this engine are revealed by its impressive acceleration from 0 mph to 60 mph in 5.8 seconds. The car also has an impressive quarter mile time of 14.3 seconds. The maximum speed of the SC 430 is electronically limited to 149 mph.
Fuel economy for the SC 430 is rated as 16 miles per gallon (mpg) in urban environments, and 19 mpg on the highway. This gives the vehicle an average rating of 23 mpg. The engine is made to run on premium unleaded fuel. The SC 430 has the distinction of being certified as an Ultra Low Emission Vehicle (ULEV II), making an appealing choice for those who are environmentally conscious. The ULEV rating means that the engine emits extremely low levels of hydrocarbons and nitrogen oxide into the air. This is good for the environment and should please those customers who want luxury in their car while still preserving the environment.