2019 Volvo S90 vs. 2019 Infiniti Q70

Detailed Review, Specifications & Comparison

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Safety

For enhanced safety, the front and rear seat shoulder belts of the Volvo S90 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 S90 and Q70 have child safety locks to prevent children from opening the rear doors. The S90 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 Volvo S90 offers optional built in child booster seats. They’re more crash worthy than an added child seat because of their direct attachment to the seat. Infiniti doesn’t offer the convenience and security of a built-in child booster seat in the Q70. Their owners must carry a heavy booster seat in and out of the vehicle; S90 owners can just fold their built-in child seat up or down.

The S90 has standard Automatic Braking After Collision, which automatically apply the brakes in the event of a crash to help prevent secondary collisions and prevent further injuries. The Q70 doesn’t offer a post collision braking system: in the event of a collision that triggers the airbags, more collisions are possible without the protection of airbags that may have already deployed.

The S90’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.

Compared to metal, the S90’s plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Infiniti Q70 has a metal gas tank.

Both the S90 and the Q70 have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights, rearview cameras, available all wheel drive and around view monitors.

Warranty

The S90’s corrosion warranty is 5 years longer than the Q70’s (12 vs. 7 years).

Volvo pays for scheduled maintenance on the S90 for 3 years and 36,000 miles. Volvo will pay for oil changes, lubrication and any other required maintenance. Infiniti doesn’t pay scheduled maintenance for the Q70.

There are over 40 percent more Volvo dealers than there are Infiniti dealers, which makes it easier should you ever need service under the S90’s warranty.

Engine

The S90 T8’s 2.0 DOHC 4 cyl. hybrid produces 55 lbs.-ft. more torque (472 vs. 417) than the Q70 5.6 LUXE’s optional 5.6 DOHC V8.

Fuel Economy and Range

On the EPA test cycle the S90 T8 running on electricity gets better fuel mileage than the Q70 3.7 AWD (70 city/72 hwy MPGe vs. 18 city/24 hwy).

On the EPA test cycle the S90 T8 running its gasoline engine gets better fuel mileage than the Q70 3.7 AWD (26 city/33 hwy vs. 18 city/24 hwy).

On the EPA test cycle the S90 gets better fuel mileage than the Q70:

 

 

S90

Q70

 

2WD

T5/Auto

23 city/35 hwy

18 city/25 hwy

3.7/Auto

 

 

n/a

16 city/24 hwy

5.6/Auto

AWD

T5/Auto

22 city/31 hwy

18 city/24 hwy

3.7/Auto

 

T6/Auto

21 city/31 hwy

16 city/23 hwy

5.6/Auto

The S90 T8 can drive on battery power alone for up to 21 miles. The Q70 must run its internal combustion engine to move.

Regenerative brakes improve the S90’s fuel efficiency by converting inertia back into energy instead of wasting it. The Q70 doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the S90’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 Q70 doesn’t offer an automatic engine start/stop system.

The S90 has a standard cap-less fueling system. The fuel filler is automatically opened when the fuel nozzle is inserted and automatically closed when it’s removed. This eliminates the need to unscrew and replace the cap and it reduces fuel evaporation, which causes pollution. The Q70 doesn’t offer a cap-less fueling system.

Transmission

An eight-speed automatic is standard on the Volvo S90, for better acceleration and lower engine speed on the highway. Only a seven-speed automatic is available for the Q70.

Brakes and Stopping

The S90 stops much shorter than the Q70:

 

S90

Q70

 

70 to 0 MPH

161 feet

171 feet

Car and Driver

60 to 0 MPH

107 feet

116 feet

Motor Trend

60 to 0 MPH (Wet)

142 feet

143 feet

Consumer Reports

Tires and Wheels

For better traction, the S90’s optional tires are larger than the largest tires available on the Q70 (255/35R20 vs. 245/40R20).

The S90’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 S90’s optional tires have a lower 35 series profile than the Q70’s optional 40 series tires.

Suspension and Handling

The S90 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. The Q70’s suspension doesn’t offer adjustable shock absorbers.

For a smoother ride and more stable handling, the S90’s wheelbase is 6.3 inches longer than on the Q70 (120.5 inches vs. 114.2 inches). The S90’s wheelbase is .4 inches longer than on the Q70L (120.5 inches vs. 120.1 inches).

For better handling and stability, the average track (width between the wheels) on the S90 is 1.9 inches wider in the front and 2.2 inches wider in the rear than the average track on the Q70.

The S90 T6 Momentum handles at .90 G’s, while the Q70 3.7 LUXE pulls only .82 G’s of cornering force in a Car and Driver skidpad test.

The S90 T6 Inscription executes Motor Trend’s “Figure Eight” maneuver quicker than the Q70 5.6 LUXE AWD (26.3 seconds @ .68 average G’s vs. 26.7 seconds @ .67 average G’s).

Passenger Space

The S90 has 2.1 inches more front hip room, .1 inches more rear headroom, 4.2 inches more rear legroom and 1.4 inches more rear hip room than the Q70.

Cargo Capacity

A low lift-over trunk design makes loading and unloading the S90 easier. The S90’s trunk lift-over height is 26.5 inches, while the Q70’s liftover is 29.1 inches.

The S90’s standard 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 S90’s power trunk can be opened just by waving your foot, leaving your hands completely free. The S90’s power trunk can also be opened or closed by pressing a button. The Q70 doesn’t offer a power or hands-free opening trunk.

Towing

The S90 has a 3700 lbs. towing capacity. The Q70 has no towing capacity.

Ergonomics

The S90 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 S90 Inscription has a passenger memory, so that when drivers switch, the memory setting adjusts the driver’s seat and outside mirror angle and the front passenger seat also adjusts to the new passenger’s preset preferences.

The S90 offers an optional 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 S90 and the Q70 have locks to prevent small children from operating them. When the lock on the S90 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 S90’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 standard on the S90 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.

Consumer Reports rated the S90’s headlight performance “Good,” a higher rating than the Q70’s headlights, which were rated “Fair.”

In poor weather, headlights can lose their effectiveness as grime builds up on their lenses. This can reduce visibility without the driver realizing. The S90 offers available headlight washers to keep headlight output high. The Q70 doesn’t offer headlight washers.

While driving with high beams on, sensitive light sensors standard on the S90 detect other vehicles which could be blinded and automatically switch to low beams. The Q70 doesn’t offer automatic dimming high beams.

The S90 Inscription has standard front air conditioned seats and offers them optionally in the rear. This keeps the passengers comfortable and takes the sting out of hot seats in summer. The Q70 doesn’t offer air-conditioned seats in the rear.

Standard Sensus Connect for the S90 allows the driver and passengers access to select programs on their smartphones, including reading text messages aloud, playing internet radio stations, searching the internet 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 S90 has a 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The Q70 doesn’t offer a house-current electrical outlet.

The S90’s optional Park Assist Pilot 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.

Economic Advantages

Insurance will cost less for the S90 owner. The Complete Car Cost Guide estimates that insurance for the S90 will cost $605 less than the Q70 over a five-year period.

IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Volvo S90 will be $1551 to $2847 less than for the Infiniti Q70.

Recommendations

The S90 was chosen as one of Automobile Magazine’s “All Stars” in 2017. The Q70 has never been an “All Star.”

The Volvo 90 Series outsold the Infiniti Q70 by almost three to one during the 2018 model year.

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

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