Certified Benz & Beemer Compares 2013 Porsche BOXSTER VS 2013 Jaguar XK Near Scottsdale, AZ

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2013 Porsche BOXSTER

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2013 Jaguar XK

Safety Comparison

Both the Boxster and the XK have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control and electronic stability systems to prevent skidding.

Warranty Comparison

The Boxster’s corrosion warranty is 4 years longer than the XK’s (10 vs. 6 years).

There are over 33 percent more Porsche dealers than there are Jaguar dealers, which makes it easier should you ever need service under the Boxster’s warranty.

Reliability Comparison

To reliably power the ignition and other systems and to recharge the battery, the Boxster has a standard 175 amp alternator. The XK’s 130 amp alternator isn’t as powerful.

The battery on the Boxster is in the trunk, which protects it from hot underhood temperatures which can degrade battery life. By keeping the Boxster’s battery 20 to 30 degrees cooler, its life is increased by years. The XK’s battery is in the hot engine compartment.

J.D. Power and Associates’ 2012 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Porsche vehicles are more reliable than Jaguar vehicles. J.D. Power ranks Porsche second in reliability, above the industry average. With 74 more problems per 100 vehicles, Jaguar is ranked 27th.

Engine Comparison

The flat cylinder configuration of the boxer engine in the Boxster lowers its center of gravity, enhancing handling stability. The XK doesn’t offer a boxer engine configuration.

Fuel Economy and Range Comparison

On the EPA test cycle the Boxster Auto with its standard engine gets better fuel mileage than the XK Convertible with its standard engine (22 city/32 hwy vs. 16 city/22 hwy). The Boxster S Auto gets better fuel mileage than the XK Convertible with its standard engine (21 city/30 hwy vs. 16 city/22 hwy).

Regenerative brakes improve the Boxster’s fuel efficiency by converting inertia back into energy instead of wasting it. The XK doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Boxster’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The XK doesn’t offer an automatic engine start/stop system.

Brakes and Stopping Comparison

The Boxster offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The XK doesn’t offer ceramic brake rotors.

The Boxster stops much shorter than the XK:



80 to 0 MPH

201 feet

204 feet

Road & Track

70 to 0 MPH

147 feet

163 feet

Car and Driver

60 to 0 MPH

101 feet

115 feet

Motor Trend

Suspension and Handling Comparison

The Boxster has standard front and rear gas-charged shocks for better control over choppy roads. The XK’s suspension doesn’t offer gas-charged shocks.

The Boxster S handles at .99 G’s, while the XK Convertible pulls only .87 G’s of cornering force in a Car and Driver skidpad test.

Chassis Comparison

The Porsche Boxster may be more efficient, handle and accelerate better because it weighs about 900 to 1100 pounds less than the Jaguar XK.

The Boxster is 1 foot, 4.5 inches shorter than the XK, making the Boxster easier to handle, maneuver and park in tight spaces.

To almost totally eliminate engine vibration in the passenger area, the Boxster w/Sport Chrono has an electronically controlled liquid-filled front engine mount and conventional liquid-filled engine mounts (standard liquid front mount on other versions of the Boxster). A computer-controlled electric current in the liquid changes its viscosity, allowing the mount to dampen the engine completely at all RPMs. The XK uses conventional solid rubber engine mounts.

The design of the Porsche Boxster amounts to more than styling. The Boxster offers aerodynamic coefficients of drag from .3 to .31 Cd (depending on bodystyle and options). That is lower than the XK (.33 to .35) and many sports cars. A more efficient exterior helps keep the interior quieter and helps the Boxster get better fuel mileage.

Cargo Capacity Comparison

The Boxster has a much larger trunk than the XK Convertible with its top down (9.9 vs. 7.1 cubic feet).

Ergonomics Comparison

The Boxster’s instruments include an oil pressure gauge and a temperature gauge – which could save your engine! Often ‘idiot lights’ don’t warn you until damage has been done. The XK has neither an oil pressure gauge nor a temperature gauge.

In case of a sudden change of weather, the Boxster has a standard remote convertible top which can be raised from a distance to protect the interior of the vehicle from damage. The XK doesn’t offer a remote top, so the driver will have to run to the car, get in, turn the ignition on and raise the top to prevent the interior from being damaged.

Heated windshield washer nozzles are standard on the Boxster to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The XK doesn’t offer heated windshield washer nozzles.

The Boxster’s standard separate stalk mounted cruise control on/off switch is conveniently located with the rest of the cruise controls. The XK’s standard cruise control must be turned on with a hard to find switch on the dashboard.

Optional Online Services for the Boxster allows the driver and passengers access to select programs on their smartphones, including playing internet radio stations, searching the internet and other online activities without taking their eyes off the road or their hands from the wheel. The XK doesn’t offer factory integrated smartphone program access.

The Boxster’s available GPS navigation system has a real-time traffic update feature that offers alternative routes to automatically bypass traffic problems. (Service available in a limited number of metro areas.) The XK’s navigation system doesn’t offer real-time traffic updates.

With optional PCM Voice Control, the Boxster offers the driver hands free control of the radio, cell phone and the navigation computer by simply speaking. The XK doesn’t offer a voice control system.

Economic Advantages Comparison

Insurance will cost less for the Boxster owner. Kiplinger’s estimates that insurance for the Boxster will cost $650 to $1767 less than the XK each year.

The Boxster will cost the buyer less in the long run because of its superior resale value. Kiplinger’s estimates that the Boxster will retain a greater percentage of its original price after two and four years than the XK.



Four Year

42% to 43%

31% to 33%

Two Year

57% to 59%

46% to 52%

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