Certified Benz & Beemer Compares 2015 Land Rover RANGE ROVER SPORT VS 2015 Infiniti QX80 Near Phoenix, AZ

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2015 Land Rover RANGE ROVER SPORT

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VS

2015 Infiniti QX80

Safety Comparison

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For enhanced safety, the front and middle seat shoulder belts of the Land Rover Range Rover Sport have pretensioners to tighten the seatbelts and eliminate dangerous slack in the event of a collision and force limiters to limit the pressure the belts will exert on the passengers. The Infiniti QX80 doesn’t offer pretensioners for the middle seat belts.

Both the Range Rover Sport and QX80 have child safety locks to prevent children from opening the rear doors. The Range Rover Sport has power child safety locks, allowing the driver to activate and deactivate them from the driver's seat and to know when they're engaged. The QX80’s child locks have to be individually engaged at each rear door with a manual switch. The driver can’t know the status of the locks without opening the doors and checking them.

To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the Range Rover Sport. But it costs extra on the QX80.

When descending a steep, off-road slope, the Range Rover Sport’s standard Hill Descent Control allow you to creep down safely. The QX80 doesn’t offer Hill Descent Control.

The Land Rover Range Rover Sport has Daytime Running Lights to help keep it more visible under all conditions. Canadian government studies show that driving with lights during the day reduces accidents by 11% by making vehicles more conspicuous. The QX80 doesn’t offer Daytime Running Lights.

For better protection of the passenger compartment, the Range Rover Sport uses safety cell construction with a three-dimensional high-strength frame that surrounds the passenger compartment. It provides extra impact protection and a sturdy mounting location for door hardware and side impact beams. The QX80 uses a body-on-frame design, which has no frame members above the floor of the vehicle.

Both the Range Rover Sport and the QX80 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, plastic fuel tanks, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, rearview cameras, available crash mitigating brakes, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty Comparison

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There are over 11 percent more Land Rover dealers than there are Infiniti dealers, which makes it easier should you ever need service under the Range Rover Sport’s warranty.

Reliability Comparison

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J.D. Power and Associates’ 2014 Initial Quality Study of new car owners surveyed provide the statistics that show that Land Rover vehicles are better in initial quality than Infiniti vehicles. J.D. Power ranks Land Rover 22nd in initial quality. With 1 more problems per 100 vehicles, Infiniti is ranked 23rd.

Engine Comparison

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The Range Rover Sport Supercharged/Autobiography’s standard 5.0 supercharged V8 produces 110 more horsepower (510 vs. 400) and 48 lbs.-ft. more torque (461 vs. 413) than the QX80’s 5.6 DOHC V8. The Range Rover Sport SVR’s standard 5.0 supercharged V8 produces 150 more horsepower (550 vs. 400) and 89 lbs.-ft. more torque (502 vs. 413) than the QX80’s 5.6 DOHC V8.

As tested in Motor Trend the Land Rover Range Rover Sport is faster than the Infiniti QX80:

Range Rover Sport V6

Range Rover Sport V8

QX80

Zero to 60 MPH

5.7 sec

4.3 sec

6.3 sec

Quarter Mile

14.3 sec

12.8 sec

14.9 sec

Speed in 1/4 Mile

96.5 MPH

109.9 MPH

93.7 MPH

Fuel Economy and Range Comparison

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On the EPA test cycle the Range Rover Sport V6 gets better fuel mileage than the QX80 AWD (17 city/23 hwy vs. 14 city/20 hwy).

Regenerative brakes improve the Range Rover Sport’s fuel efficiency by converting inertia back into energy instead of wasting it. The QX80 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the Range Rover Sport’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 QX80 doesn’t offer an automatic engine start/stop system.

The Range Rover Sport has 1.7 gallons more fuel capacity than the QX80 (27.7 vs. 26 gallons), for longer range between fill-ups.

Brakes and Stopping Comparison

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For better stopping power the Range Rover Sport V8’s brake rotors are larger than those on the QX80:

Range Rover Sport V8

QX80

Front Rotors

15 inches

13.8 inches

Rear Rotors

14.4 inches

13.8 inches

The Range Rover Sport stops much shorter than the QX80:

Range Rover Sport

QX80

70 to 0 MPH

167 feet

185 feet

Car and Driver

60 to 0 MPH

119 feet

130 feet

Motor Trend

60 to 0 MPH (Wet)

139 feet

155 feet

Consumer Reports

Tires and Wheels Comparison

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The Range Rover Sport’s standard tires provide better handling because they have a lower 50 series profile (height to width ratio) that provides a stiffer sidewall than the QX80’s standard 60 series tires. The Range Rover Sport’s optional tires have a lower 40 series profile than the QX80’s optional 50 series tires.

Suspension and Handling Comparison

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The Range Rover Sport 5.0 Supercharged has 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 QX80 doesn’t offer an active sway bar system.

The front and rear suspension of the Range Rover Sport uses air springs for a smoother, controlled ride than the QX80, which uses coil springs in front. Air springs maintain proper ride height and ride more smoothly.

The Range Rover Sport offers an available 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 or off-road. The QX80’s suspension doesn’t offer adjustable shock absorbers.

The Range Rover Sport Supercharged handles at .86 G’s, while the QX80 AWD pulls only .72 G’s of cornering force in a Car and Driver skidpad test.

The Range Rover Sport Supercharged executes Motor Trend’s “Figure Eight” maneuver 2.8 seconds quicker than the QX80 AWD (25.8 seconds @ .71 average G’s vs. 28.6 seconds @ .57 average G’s).

For better maneuverability, the Range Rover Sport’s turning circle is 1.2 feet tighter than the QX80’s (40.4 feet vs. 41.6 feet).

For greater off-road capability the Range Rover Sport has a 1.8 inches greater minimum ground clearance than the QX80 (11 vs. 9.2 inches), allowing the Range Rover Sport to travel over rougher terrain without being stopped or damaged.

Chassis Comparison

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The Land Rover Range Rover Sport may be more efficient, handle and accelerate better because it weighs about 800 to 900 pounds less than the Infiniti QX80.

The Range Rover Sport is 1 foot, 5.9 inches shorter than the QX80, making the Range Rover Sport easier to handle, maneuver and park in tight spaces.

Unibody construction makes the Range Rover Sport’s chassis much stiffer, which contributes to better handling, and enables softer springs to be used for a better ride. Unibody construction’s stiffness also contributes to better durability and less body squeaks and rattles. The QX80 doesn’t use unibody construction, but a body-on-frame design.

Ergonomics Comparison

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Unlike the driver-only memory system in the QX80, the Range Rover Sport has standard driver and passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The power windows standard on both the Range Rover Sport and the QX80 have locks to prevent small children from operating them. When the lock on the Range Rover Sport is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The QX80 prevents the driver from operating the other windows just as it does the other passengers.

Optional air conditioned the front and second row seats keep the Range Rover Sport’s passengers comfortable and take the sting out of hot leather in Summer. The QX80 doesn’t offer air conditioned seats for the second row.

Standard InControl Apps for the Range Rover Sport allows the driver and passengers access to select programs on their smartphones, including playing internet radio stations and other connected activities without taking their eyes off the road or their hands from the wheel. The QX80 doesn’t offer factory integrated smartphone program access.

The Range Rover Sport’s optional Advanced Park Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The QX80 doesn’t offer an automated parking system.

Recommendations Comparison

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The Land Rover Range Rover Sport won two awards in Kiplinger’s 2015 car issue. The Infiniti QX80 didn't win any award.

The Range Rover Sport was selected by Petersen's 4-Wheel & Off-Road magazine as their 2014 4x4 of the Year. The QX80 has never been chosen.

The Land Rover Range Rover Sport outsold the Infiniti QX80 by 38% during 2014.

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