捷豹近日发布了XJ旗舰级轿车的升级版——XJR575。该车搭载的5升机械增压引擎功率提升25马力，达到575马力，扭矩700牛米。车辆百公里加速时间4.4秒，最高时速300公里。该车配备全套车身组件，包括前后扰流器，引擎盖散热孔和20英寸轮圈和575全新内装。车厢内中控台提供10英寸触控屏，4G Wi-Fi可连接八个设备。为提升安全性，车辆配备前方交通监测，车道保持辅助和驾驶员状态监测系统，可监控驾驶员疲劳程度。捷豹并未公布该车价格，但2018款XJ搭载300马力3.0升柴油引擎车型英国起价59995英镑（约合人民币52.67万元），搭载V6汽油引擎的 XJR575售价93710英镑（约合人民币82.27万元）。

2018 Jaguar XJR575 Super Sedan Unveiled With 186 MPH Top Speed

Jaguar has announced updates to its flagship XJ sedan.

The whole range benefits from upgrades to the technology and safety features to be found in the car, while the headline news is the introduction of the XJR575 performance model.

The XJR575 gets a 25-hp increase to its supercharged 5-liter engine’s power rating, meaning 575 hp and 516 lb-ft of torque (700 Nm), resulting in a 0-62 time of 4.4 seconds and top speed of 186 mph (300 kph).

The XJR575 gets a full body kit, which includes front and rear spoilers and vents in the hood as well as 20-inch wheels and "575" branding throughout the interior.

Across the range, the XJ now features a 10-inch touchscreen on the center console that offers a customizable home screen. Connectivity is improved with 4G Wi-Fi that up to eight devices can connect to.

Safety-wise, the XJ range now boasts Forward Traffic Detection, Lane Keep Assist and a Driver Condition Monitor that watches the person behind the wheel for signs of fatigue.

U.S. pricing details have not been disclosed yet, but the 2018 Jaguar XJ is now available to order in the U.K. where dealers are asking from ￡59,995 for the 300-hp 3-liter diesel V6 model up to ￡93,710 for the XJR575.