Model-year 2010 is an important one for Jaguar. This British automaker is hoping to bring increased sales through superior firepower, with the introduction of brand-new engines across its entire product portfolio. Leading the lineup is a redesigned XJ flagship sedan flanked by more powerful versions of its XF sedan and XK coupe and convertible. Here are the specifics about what’s new for these Jaguar models.

2010 Jaguar XF: In addition to new, more powerful engines, Jaguar’s top-selling car line gains a high-performance XFR model. While Base XFs retain a 300-horsepower 4.2-liter V8 engine, all others have a new 5.0-liter V8 that uses high-pressure direct injection designed to increase power and fuel economy. XF Premium has 385 horsepower; the Supercharged has 470 horsepower. The top-end XFR has 510 horsepower and specific trim. All use a 6-speed automatic transmission. A Portfolio Package for the Premium includes 20-inch wheels, a heated steering wheel, heated and cooled front seats, upgraded leather upholstery, and other unique interior trim. Most of these features are standard on the Supercharged and XFR; the latter adds adaptive cruise control.

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2010 Jaguar XJ: This premium large car gets a ground-up redesign for 2010. Jaguar’s flagship car comes in standard and “L” versions, which have a 5-inch-longer wheelbase. Trim levels include XJ, Supercharged, and top-end Supersport. Note that dealers will not stock the Supersport as part of regular inventory; they must be special ordered. All use a 5.0-liter V8 engine. XJ has 385 horsepower, Supercharged has 470, and Supersport has 510. A 6-speed automatic transmission is standard. All XJs have an adjustable air suspension, voice-activated navigation system, and a hard drive for storing digital music files.

2010 Jaguar XK: Like Jaguar’s other models, these coupes and convertibles gain the brand’s new 5.0-liter V8, with 385 horsepower in Base cars and 510 in the high-performance XKR. The sole transmission is a 6-speed automatic. Convertibles have a power-folding soft top. All have an adjustable air suspension, heated and cooled front seats, heated steering wheel, and a navigation system. Adaptive cruise control and steering-linked headlights are standard on the XKR and optional on the Base.