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To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the 6 Series Gran Turismo. But it costs extra on the G80.
A passive infrared night vision system optional on the 6 Series Gran Turismo 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 G80 doesn’t offer a night vision system.
The 6 Series Gran Turismo offers an optional Surround View to allow the driver to see objects all around the vehicle on a screen. The G80 only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.
Compared to metal, the 6 Series Gran Turismo’s plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Genesis G80 has a metal gas tank.
Both the 6 Series Gran Turismo and the G80 have standard driver and passenger frontal airbags, front side-impact airbags, driver knee airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, lane departure warning systems, blind spot warning systems, rearview cameras, rear cross-path warning and driver alert monitors.
The 6 Series Gran Turismo’s corrosion warranty is 5 years longer than the G80’s (12 vs. 7 years).
To reliably start during all conditions and help handle large electrical loads, the 6 Series Gran Turismo has a standard 900-amp battery. The G80’s 740-amp battery isn’t as powerful.
From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that BMW vehicles are more reliable than Genesis vehicles. Consumer Reports ranks BMW 4 places higher in reliability than Genesis.
The 6 Series Gran Turismo’s 3.0 turbo 6 cyl. produces 24 more horsepower (335 vs. 311) and 37 lbs.-ft. more torque (330 vs. 293) than the G80 3.8’s standard 3.8 DOHC V6.
On the EPA test cycle the 640i Gran Turismo gets better fuel mileage than the G80 3.3T Sport AWD turbo V6 (20 city/28 hwy vs. 17 city/24 hwy).
Regenerative brakes improve the 6 Series Gran Turismo’s fuel efficiency by converting inertia back into energy instead of wasting it. The G80 doesn’t offer a regenerative braking system.
In heavy traffic or at stoplights the 6 Series Gran Turismo’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 G80 doesn’t offer an automatic engine start/stop system.
The 6 Series Gran Turismo’s standard front and rear disc brakes are vented to help dissipate heat for shorter stops with less fading. The rear discs standard on the G80 3.8 are solid, not vented.
The 6 Series Gran Turismo’s optional 245/35R20 front and 275/30R20 rear tires provide better handling because they have a lower 35 series front and 30 series rear profile (height to width ratio) that provides a stiffer sidewall than the G80’s optional 40 series front and 35 series rear tires.
For better ride, handling and brake cooling the 6 Series Gran Turismo has standard 19-inch wheels. Smaller 18-inch wheels are standard on the G80 3.8. The 6 Series Gran Turismo’s optional 20-inch wheels are larger than the 19-inch wheels optional on the G80.
Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the 6 Series Gran Turismo can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The G80 doesn’t offer run-flat tires.
The 6 Series Gran Turismo offers active sway bars, which help keep it flat and controlled during cornering, but disconnect at lower speeds to smooth the ride and offer greater off-road suspension articulation. This helps keep the tires glued to the road on-road and off. The G80 doesn’t offer an active sway bar system.
The rear suspension of the 6 Series Gran Turismo uses air springs for a smoother, controlled ride than the G80, which uses coil springs. Air springs maintain proper ride height and ride more smoothly.
The 6 Series Gran Turismo offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Genesis doesn’t offer an active suspension on the G80.
The 6 Series Gran Turismo has a standard automatic rear load leveling suspension to keep ride height level with a heavy load or when towing. The G80 doesn’t offer a load leveling suspension.
For a smoother ride and more stable handling, the 6 Series Gran Turismo’s wheelbase is 2.4 inches longer than on the G80 (120.9 inches vs. 118.5 inches).
The front grille of the 6 Series Gran Turismo uses electronically controlled shutters to close off airflow and reduce drag when less engine cooling is needed. This helps improve highway fuel economy. The G80 doesn’t offer active grille shutters.
The 6 Series Gran Turismo has 1.7 inches more front shoulder room, .3 inches more rear headroom and 5.4 inches more rear legroom than the G80.
For enhanced passenger comfort on long trips the 6 Series Gran Turismo’s available rear seats recline. The G80’s rear seats don’t recline.
The 6 Series Gran Turismo’s standard rear seats fold to accommodate long and bulky cargo. The G80 doesn’t offer folding rear seats, only a ski pass-through.
Unlike the driver-only memory system in the G80, the 6 Series Gran Turismo 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.
The 6 Series Gran Turismo’s standard easy entry system raises the steering wheel and glides the driver’s seat back, making it easier for the driver to get in and out. An easy entry system costs extra on the G80.
If the windows are left open on the 6 Series Gran Turismo the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the G80 can only operate the windows from inside the vehicle, with the ignition on.
Optional air conditioned seats in the 6 Series Gran Turismo keep the driver and front passenger comfortable and take the sting out of hot seats in summer. The G80 only offers an air-conditioned driver’s seat.
The 6 Series Gran Turismo’s 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 G80 doesn’t offer an automated parking system.
The BMW 6 Series comes in sedan and four-door hatchback bodystyles; the Genesis G80 isn’t available as a four-door hatchback.
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