The new XK delivers more power, more performance and more technology – without compromise.All-new AJ-V8 Gen III direct-injection engines are the most advanced and efficient engines Jaguar has ever produced: 5.0-litre naturally aspirated AJ-V8 Gen III engine delivers 385PS (385bhp SAE), 515Nm of torque and propels XK to 60mph in just 5.2 seconds.The New Jaquar XK is Improved CO 2 emissions performance (Euro Stage V compliant two years ahead of legislative requirement) and fuel economy comparable to the less powerful 4.2-litre engines they replace.Jaquar XK With the introduction of these all-new 5.0-litre direct-injection V8 engines comes a new level of performance for the XK, with improved acceleration from standstill and stunning in-gear acceleration times. All models are electronically limited to a maximum speed of 155mph (250kph), but the 0-60mph sprint for naturally aspirated coupe models is now 5.2 seconds (previously 5.9 seconds), while for the supercharged XKR coupe, 0-60mph is 4.6 seconds (previously 4.9 seconds).
In-gear times are equally impressive, with the naturally aspirated XK accelerating from 50-70mph in just 2.5 seconds.
