Opulence and performance find an apt home with the 2018 Jaguar XJ. The luxury sedan comes in five trim levels with seven possible configurations, including its new high-powered XJR575 edition. The base model has a 340-horsepower, 3.0-liter V6 engine with an eight-speed automatic gearbox and rear- or all-wheel drive. The XJR575 comes in with a 575-hp, 5.0-liter V8 power plant. The cabin is gorgeous with amenities to match. Standard features are leather upholstery, ventilated front seats with lumbar-thigh support, a chrome shift knob, and a leather-wrapped steering wheel. The automaker kicks it up a notch with a navigation system with voice activation, automatic temperature control, three memory settings, power windows, remote engine start, an auto-dimming rearview mirror, sunshade, and a panoramic sunroof. Entertainment is well-served with a Meridian Trifield digital signal processor, SiriusXM AM/FM/HD/Satellite radio, 20-speaker premium sound system, automatic equalizer, and smart device integration.