Certified Benz & Beemer Compares 2014 BMW 6 SERIES VS 2014 Maserati GranTurismo Near Phoenix, AZ

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2014 Maserati GranTurismo

Safety Comparison

The 6 Series has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The GranTurismo doesn’t offer a whiplash protection system.

The 6 Series offers all wheel drive to maximize traction under poor conditions, especially in ice and snow. The GranTurismo doesn’t offer all wheel drive.

A passive infrared night vision system optional on the 6 Series helps the driver to more easily detect people, animals or other objects in front of the vehicle at night. Using an infrared camera to detect heat, the system then displays the image on a monitor in the dashboard. The GranTurismo doesn’t offer a night vision system.

The 6 Series’ optional lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane. The GranTurismo doesn’t offer a lane departure warning system.

The 6 Series offers an optional Side and Top View Cameras to allow the driver to see objects all around the vehicle on a screen. The GranTurismo only offers front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

The 6 Series’ optional blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The GranTurismo doesn’t offer a system to reveal objects in the driver’s blind spots.

The 6 Series has standard BMW Assist, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The GranTurismo doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the 6 Series and the GranTurismo 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 6 Series’ corrosion warranty is 8 years and unlimited miles longer than the GranTurismo’s (12/unlimited vs. 4/50,000).

BMW pays for scheduled maintenance on the 6 Series for 4 years and 50,000 miles. BMW will pay for oil changes, tire rotation, lubrication and any other scheduled maintenance. Maserati doesn’t pay scheduled maintenance for the GranTurismo.

There are over 6 times as many BMW dealers as there are Maserati dealers, which makes it much easier should you ever need service under the 6 Series’ warranty.

Engine Comparison

The 6 Series has more powerful engines than the GranTurismo:



650i 4.4 turbo V8

445 HP

480 lbs.-ft.

M6 4.4 turbo V8

560 HP

500 lbs.-ft.

M6 Competition Package 4.4 turbo V8

575 HP

500 lbs.-ft.

GranTurismo MC 4.7 DOHC V8

444 HP

376 lbs.-ft.

GranTurismo Sport 4.7 DOHC V8

454 HP

384 lbs.-ft.

Fuel Economy and Range Comparison

On the EPA test cycle the 6 Series Coupe gets better fuel mileage than the Maserati GranTurismo:

6 Series




15 city/22 hwy



22 city/32 hwy



17 city/25 hwy



17 city/25 hwy

13 city/21 hwy




20 city/29 hwy



16 city/24 hwy


Regenerative brakes improve the 6 Series’ fuel efficiency by converting inertia back into energy instead of wasting it. The GranTurismo doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the 6 Series’ 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 GranTurismo doesn’t offer an automatic engine start/stop system.

Brakes and Stopping Comparison

For better stopping power the 6 Series’ brake rotors are larger than those on the GranTurismo:

6 Series

M6 Carbon Brakes


Front Rotors

13.7 inches

16.1 inches

13 inches

Rear Rotors

13.6 inches

15.6 inches

13 inches

The 6 Series stops shorter than the GranTurismo:

6 Series


60 to 0 MPH

105 feet

106 feet

Motor Trend

Tires and Wheels Comparison

For better traction, the M6’s front tires are larger than the largest tires available on the GranTurismo (F:265/40R19 & R:295/35R19 vs. F:255/35R20 & R:295/35R20).

The 6 Series’ optional 275/30R20 rear tires provide better handling because they have a lower 30 series profile (height to width ratio) that provides a stiffer sidewall than the GranTurismo’s 35 series tires.

Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the 6 Series can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The GranTurismo doesn’t offer run-flat tires.

Suspension and Handling Comparison

The 6 Series offers an available active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Maserati doesn’t offer an active suspension on the GranTurismo.

The 6 Series has a standard driver-adjustable suspension system. It allows the driver to choose between an extra-supple ride, reducing fatigue on long trips, or a sport setting, which allows maximum control for tricky roads. The GranTurismo’s suspension doesn’t offer adjustable shock absorbers.

For better handling and stability, the average track (width between the wheels) on the 6 Series is .9 inches wider in the front and 2 inches wider in the rear than the track on the GranTurismo.

The M6 Coupe executes Motor Trend’s “Figure Eight” maneuver quicker than the GranTurismo (24.4 seconds @ .83 average G’s vs. 25 seconds @ .74 average G’s).

Passenger Space Comparison

Because it has more passenger and cargo room, the 6 Series Coupe is rated a Compact car by the EPA, while the GranTurismo is rated a Subcompact.

The 6 Series Coupe has 1 cubic foot more passenger volume than the GranTurismo (87 vs. 86).

The 6 Series Coupe has 1 inch more front headroom, .4 inches more front legroom, 2.7 inches more front shoulder room and .4 inches more rear legroom than the GranTurismo.

Cargo Capacity Comparison

The 6 Series Coupe has a much larger trunk than the GranTurismo (16.2 vs. 9.2 cubic feet).

Ergonomics Comparison

Unlike the driver-only memory seat in the GranTurismo, the 6 Series offers an optional passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position, outside mirror angle, climate settings and radio stations and the front passenger seat also adjusts to the new passenger’s preset preferences.

Heated windshield washer nozzles are standard on the 6 Series to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The GranTurismo doesn’t offer heated windshield washer nozzles.

While driving with high beams on, sensitive light sensors available for the 6 Series detect other vehicles which could be blinded and automatically switch to low beams. The GranTurismo doesn’t offer automatic dimming high beams.

When the 6 Series is put in reverse, the passenger rearview mirror tilts from its original position. This gives the driver a better view of the curb during parallel parking maneuvers. Shifting out of reverse puts the mirror into its original position. The GranTurismo’s mirror doesn’t automatically adjust for backing.

The 6 Series has standard automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The GranTurismo has an automatic rear view mirror, but its side mirrors don’t dim.

The 6 Series’ optional air conditioned front seats cool the driver and front passenger and help take the sting out of hot leather in Summer. The GranTurismo doesn’t offer air conditioned front seats.

To keep a safe, consistent following distance, the 6 Series Automatic offers an optional Active Cruise Control, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The GranTurismo doesn’t offer an adaptive cruise control.

The 6 Series’ standard steering wheel mounted cruise control is close at hand. The GranTurismo’s standard cruise control is on an over-crowded turn signal stalk.

Standard BMW Apps for the 6 Series allows the driver and passengers access to select programs on their smartphones, including reading text messages aloud, playing internet radio stations, tagging songs to buy them later, following twitter accounts and other connected activities without taking their eyes off the road or their hands from the wheel. The GranTurismo doesn’t offer factory integrated smartphone program access.

The 6 Series’ standard 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 GranTurismo’s navigation system doesn’t offer real-time traffic updates.

The 6 Series’ optional Parking Assistant can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The GranTurismo doesn’t offer an automated parking system.

Recommendations Comparison

J.D. Power and Associates rated the 6 Series third among midsize premium sporty cars in owner reported satisfaction. This includes how well the vehicle performs and satisfies its owner’s expectations. The GranTurismo isn’t in the top three.

The 6 Series was chosen as one of Automobile Magazine’s “All Stars” in 2005. The GranTurismo has never been an “All Star.”

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