Related 10 Lexus Models You Should Buy Used Lexus leads the pack when it comes to reliability, making many of their models a great choice for buying used. The IS 500 is the last of a rare breedA naturally aspirated V-8 has become a rarityCredit: LexusPerformance cars built around naturally aspirated V-8 engines are becoming increasingly uncommon. The naturally aspirated V-8 makes all the differencePerformance and durability in equal measureCredit: LexusThe heart of the IS 500 is its 5.0-liter naturally aspirated 2UR-GSE V-8, producing 472 horsepower and 395 lb-ft of torque. Related 10 Used Luxury Sedans That Are Better Than New Rivals Here are 10 used high-performance luxury sedans that offer unmatched power, precision, and value—outshining even newer, more expensive rivals. It combines naturally aspirated V-8 power, rear-wheel drive, and proven mechanical durability in a package that remains comfortable enough to use every day.