The Hyundai Equus’ 429-horsepower, 5.0-liter V-8 and eight-speed automatic make a decent combo, with short gearing around town and smooth, powerful revving that should satisfy all the onramp charging and left-lane flying you’ll ever need. It doesn’t pin you back in your seat like the turbo V-8s in the Audi A8, Mercedes-Benz S-Class and rear-wheel BMW 7 Series, as Hyundai’s naturally aspirated V-8 makes a comparatively modest 376 pounds-feet of torque. But the Hyundai Equus’ price is less than si