2018 Jaguar XF vs. 2018 Infiniti Q70

Detailed Review, Specifications & Comparison

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For enhanced safety, the front and rear seat shoulder belts of the Jaguar XF 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 Q70 doesn’t offer pretensioners for the rear seat belts.

Both the XF and Q70 have child safety locks to prevent children from opening the rear doors. The XF 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 Q70’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.

The XF R-Sport/S/Portfolio’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Q70 doesn’t offer a driver alert monitor.

Both the XF and the Q70 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, available all wheel drive, crash mitigating brakes, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.


The XF comes with a full 5-year/60,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Q70’s 4-year/60,000-mile basic warranty expires 1 year sooner.

Jaguar pays for scheduled maintenance on the XF for 5 years and 60,000 miles. Jaguar will pay for oil changes, lubrication and any other required maintenance. Infiniti doesn’t pay scheduled maintenance for the Q70.


The XF’s 2.0 turbo diesel produces 48 lbs.-ft. more torque (318 vs. 270) than the Q70 3.7 LUXE’s standard 3.7 DOHC V6. The XF’s 2.0 turbo diesel produces 318 lbs.-ft. more torque (318 vs. ) than the Q70 Hybrid LUXE’s standard 3.5 DOHC V6 hybrid.

As tested in Motor Trend the XF S 3.0 supercharged V6 is faster than the Q70 3.7 LUXE 3.7 DOHC V6:




Zero to 60 MPH

5 sec

5.5 sec

Quarter Mile

13.5 sec

14 sec

Speed in 1/4 Mile

103.1 MPH

99.6 MPH

Fuel Economy and Range

On the EPA test cycle the XF 20d RWD gets better fuel mileage than the Q70 Hybrid LUXE (31 city/42 hwy vs. 28 city/33 hwy).

On the EPA test cycle the XF gets better fuel mileage than the Q70:







2.0 turbo 4 cyl. (247 HP)/8-spd. Auto

25 city/34 hwy

18 city/25 hwy

3.7 V6/Auto


2.0 turbo 4 cyl. (296 HP)/8-spd. Auto

23 city/31 hwy




3.0 S.C. V6 (380 HP)/8-spd. Auto

20 city/29 hwy

16 city/24 hwy

5.6 V8/Auto







2.0 turbo 4 cyl. (247 HP)/8-spd. Auto

23 city/33 hwy

18 city/24 hwy

3.7 V6/Auto


2.0 turbo 4 cyl. (296 HP)/8-spd. Auto

22 city/31 hwy




3.0 S.C. V6 (380 HP)/8-spd. Auto

20 city/28 hwy

16 city/23 hwy

5.6 V8/Auto






Regardless of its engine, regenerative brakes improve the XF’s fuel efficiency by converting inertia back into energy instead of wasting it. Infiniti only offers a regenerative brake system on the Q70 Hybrid.

Regardless of its engine, the XF’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) Infiniti only offers an automatic engine start/stop system on the Q70 Hybrid.


An eight-speed automatic is standard on the Jaguar XF, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the Q70.

Brakes and Stopping

For better stopping power the XF’s standard brake rotors are larger than those on the Q70:




Front Rotors

13.8 inches

12.6 inches

Rear Rotors

12.8 inches

12.1 inches

The XF stops shorter than the Q70:





70 to 0 MPH

170 feet

171 feet

Car and Driver

Tires and Wheels

For better traction, the XF’s optional tires are larger than the largest tires available on the Q70 (255/35R20 vs. 245/40R20).

The XF’s standard tires provide better handling because they have a lower 45 series profile (height to width ratio) that provides a stiffer sidewall than the Q70’s standard 50 series tires. The XF’s optional tires have a lower 35 series profile than the Q70’s optional 40 series tires.

Suspension and Handling

The XF offers an optional 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 Q70’s suspension doesn’t offer adjustable shock absorbers.

The XF Sportbrake has a standard automatic rear load leveling suspension to keep ride height level with a heavy load or when towing. The Q70 doesn’t offer a load leveling suspension.

For a smoother ride and more stable handling, the XF’s wheelbase is 2.3 inches longer than on the Q70 (116.5 inches vs. 114.2 inches).

For better handling and stability, the average track (width between the wheels) on the XF is 1 inch wider in the front and .9 inches wider in the rear than the average track on the Q70.

The XF R-Sport Sedan handles at .86 G’s, while the Q70 3.7 LUXE pulls only .82 G’s of cornering force in a Car and Driver skidpad test.

The XF S Sedan AWD executes Motor Trend’s “Figure Eight” maneuver 1.4 seconds quicker than the Q70 Hybrid LUXE (25.5 seconds @ .73 average G’s vs. 26.9 seconds @ .68 average G’s).


The Jaguar XF may be more efficient, handle and accelerate better because it weighs about 300 to 350 pounds less than the Infiniti Q70.

As tested by Car and Driver, the interior of the XF S Sedan AWD is quieter than the Q70 3.7 LUXE:





74 dB

77 dB

70 MPH Cruising

64 dB

73 dB

Passenger Space

The XF Sedan has .3 inches more rear headroom and 1 inch more rear legroom than the Q70.

Cargo Capacity

The XF Sedan has a much larger trunk with its rear seat up than the Q70 (17.8 vs. 14.9 cubic feet).

The XF’s optional rear seats fold to accommodate long and bulky cargo. The Q70 doesn’t offer folding rear seats, only a ski pass-through.

To make loading and unloading groceries and cargo easier when your hands are full, the XF’s power trunk can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The Q70 doesn’t offer a power or hands-free opening trunk.

Servicing Ease

The XF has a maintenance free battery for long life without checking the battery’s water level. The Q70 doesn’t have a maintenance free battery, so the water level in the battery’s cells must be checked often to prevent damage.


The XF has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Q70 doesn’t offer a remote starting system.

Unlike the driver-only memory system in the Q70, the XF Portfolio/S has a passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat, steering wheel position (with optional power wheel adjuster) and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The XF (except Base) offers an available heads-up display that projects speed and navigation instruction readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Q70 doesn’t offer a heads-up display.

The power windows standard on both the XF and the Q70 have locks to prevent small children from operating them. When the lock on the XF is engaged the driver can still operate all of the windows, for instance to close one opened by a child. The Q70 prevents the driver from operating the other windows just as it does the other passengers.

The XF’s front and rear power windows all open or close fully with one touch of the switches, making it more convenient at drive-up windows and toll booths, or when talking with someone outside the car. The Q70’s rear power window switches have to be held the entire time to open or close them fully.

Heated windshield washer nozzles are optional on the XF to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Q70 doesn’t offer heated windshield washer nozzles.

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The XF has standard headlight washers to keep headlight output high. The Q70 doesn’t offer headlight washers.

While driving with high beams on, sensitive light sensors available for the XF (except Base) detect other vehicles which could be blinded and automatically switch to low beams. The Q70 doesn’t offer automatic dimming high beams.

Optional InControl Apps for the XF allows the driver and passengers access to select programs on their smartphones, including reading text messages aloud, playing internet radio stations and other connected activities without taking their eyes off the road or their hands from the wheel. The Q70 doesn’t offer factory integrated smartphone program access.

The XF R-Sport/S/Portfolio’s optional Park Assist can parallel park or back into a parking spot by itself, with the driver only controlling speed with the brake pedal. The Q70 doesn’t offer an automated parking system.

Model Availability

The Jaguar XF comes in sedan and station wagon bodystyles; the Infiniti Q70 isn’t available as a station wagon.

Economic Advantages

The XF will cost the buyer less in the long run because of its superior resale value. The IntelliChoice estimates that the XF will retain 36.71% to 37.32% of its original price after five years, while the Q70 only retains -13.62% to 37.28%.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Jaguar XF will be $54 to $4165 less than for the Infiniti Q70.


The XF was chosen as one of Car and Driver’s “Top Ten” in 2009. The Q70 has never been a Car and Driver “Top Ten” pick.

The XF was chosen as one of Automobile Magazine’s “All Stars” for 2 of the last 9 years. The Q70 has never been an “All Star.”

The Jaguar XF outsold the Infiniti Q70 by 14% during 2016.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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