From launch the all-new XK will be powered by Jaguar's renowned naturally aspirated 4.2-litre V8 engine which produces 300bhp SAE (298 PS EEC). This compact, lightweight engine is based on that fitted to the latest generation XJ saloon and has undergone significant development compared with the engine used in the previous XK, including new fuel-injection technology. The latest 4.2-litre engine satisfies Euro 4 emissions requirements as well as stringent US emissions regulations.
The 4.2-litre V8 develops maximum torque of 303 lb ft (411Nm) EEC at 4,100rpm. Again, the spread of torque is an important ingredient in the XK's effortlessly sporty character, and this engine delivers more than 85% of torque all the way from 2,000 to 6,000rpm. Yet it still offers fine fuel economy and low emissions figures, with a drop in CO2 emissions of 6 percent.*
The naturally aspirated 4.2-litre V8 XK coupe has an electronically limited maximum speed of 155mph and a 0-60mph time of 5.9 seconds, plus instant throttle response and broad flexibility for punchy performance across the range. With the all-new XK's weight savings, the new naturally aspirated 4.2's standing quarter-mile time of 14.4 seconds is less than half a second off the pace of the previous supercharged 4.2 XKR.*
For the first time in a Jaguar, drivers will be able to use steering wheel-mounted paddles to change gear with the new Jaguar Sequential Shift transmission. In either Drive or Sport Manual modes, very fast gear shifts are achieved by combining the use of one-touch paddles with an automatic blip of the throttle from the drive-by-wire engine management system during downshifts. Thanks to this positive torque enhancement control, the shifts are faster and more responsive than before regardless of the mode the driver has selected.
The XK's six-speed transmission introduces a new generation of automatic gearshift for Jaguar, replacing the familiar 'J' gate with the new Jaguar Sequential Shift system with Park, Reverse, Neutral, Drive and Sport modes. The fully automatic Drive mode adapts to individual driving styles, while a Sport Auto mode can also be selected. This offers an even more responsive fully automatic shift strategy, also utilising the automatic blip of the throttle to maintain ultra-smooth gear shifts.
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