2020 Infiniti Q50 vs. 2020 Audi S5 Sportback

Detailed Review, Specifications & Comparison

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Safety

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/07/15

Over 200 people are killed each year when backed over by motor vehicles. The Q50 (except Pure) offers optional Back-up Collision Intervention that uses rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The S5 Sportback doesn’t offer backup collision prevention brakes.

Both the Q50 and the S5 Sportback have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, height adjustable front shoulder belts, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, rearview cameras, available all-wheel drive, lane departure warning systems, blind spot warning systems, around view monitors and rear cross-path warning.

Warranty

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The Q50 comes with a full 4-year/60,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The S5 Sportback’s 4-year/50,000-mile basic warranty expires 10,000 miles sooner.

Infiniti’s powertrain warranty covers the Q50 2 years and 20,000 miles longer than Audi covers the S5 Sportback. Any repair needed on the engine, transmission, axles, joints or driveshafts is fully covered for 6 years or 70,000 miles. Coverage on the S5 Sportback ends after only 4 years or 50,000 miles.

Reliability

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To reliably power the ignition and other systems and to recharge the battery, the Q50 has larger alternators than the S5 Sportback:

Q50

S5 Sportback

Standard Alternator

150 amps

110 amps

Optional Alternator

170 amps

150 amps

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Infiniti vehicles are better in initial quality than Audi vehicles. J.D. Power ranks Infiniti 19th in initial quality. With 5 more problems per 100 vehicles, Audi is ranked 22nd.

From surveys of all its subscribers, Consumer Reports’ December 2019 Auto Issue reports that Infiniti vehicles are more reliable than Audi vehicles. Consumer Reports ranks Infiniti 1 place higher in reliability than Audi.

Engine

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The Q50 Red Sport 400’s standard 3.0 turbo V6 produces 51 more horsepower (400 vs. 349) than the S5 Sportback’s 3.0 turbo V6.

Fuel Economy and Range

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The Q50 has 4.7 gallons more fuel capacity than the S5 Sportback (20 vs. 15.3 gallons), for longer range between fill-ups.

Brakes and Stopping

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For better stopping power the Q50 Sport/Red Sport 400’s front brake rotors are larger than those on the S5 Sportback:

Q50 Sport/Red Sport 400

S5 Sportback

Front Rotors

14 inches

13.8 inches

Rear Rotors

13.8 inches

13 inches

Tires and Wheels

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Changing a flat tire near traffic can be dangerous and inconvenient. The run-flat tires standard on the Q50 can be driven up to 50 miles without any air pressure, allowing you to drive to a service station for a repair. The S5 Sportback doesn’t offer run-flat tires.

Suspension and Handling

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The Q50 Sport’s optional drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The S5 Sportback doesn’t offer drift compensation steering.

For better maneuverability, the Q50’s turning circle is 1.7 feet tighter than the S5 Sportback’s (36.7 feet vs. 38.4 feet). The Q50 AWD’s turning circle is 1 foot tighter than the S5 Sportback’s (37.4 feet vs. 38.4 feet).

Chassis

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The Infiniti Q50 may be more efficient, handle and accelerate better because it weighs up to about 250 pounds less than the Audi S5 Sportback.

Passenger Space

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The Q50 has 2.5 inches more front headroom, 3.2 inches more front legroom, 1 inch more front shoulder room, .5 inches more rear headroom and 1.6 inches more rear shoulder room than the S5 Sportback.

Cargo Capacity

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With its sedan body style, valet key, locking rear seatbacks and remote trunk release lockout, the Q50 offers cargo security. The S5 Sportback’s hatchback body style defeats cargo security.

Servicing Ease

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J.D. Power and Associates surveys of service recipients show that Infiniti service is better than Audi. J.D. Power ranks Infiniti fourth in service department satisfaction. With a 21% lower rating, Audi is ranked 8th.

Ergonomics

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The Q50 (except Pure) offers a 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 S5 Sportback doesn’t offer a remote starting system.

The Q50 Sport/Red Sport 400’s standard easy entry system raises the steering wheel and glides the driver’s seat back when the door is unlocked or the ignition is switched off, making it easier for the driver to get in and out. The S5 Sportback doesn’t offer an easy entry system.

The Q50’s power window and cruise control switches are lit from behind, making them plainly visible and easier to operate at night. The S5 Sportback’s cruise control switches are unlit, making them difficult to find at night and operate safely.

To help drivers see further while navigating curves, the Q50 Sport/Red Sport 400 offers optional adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The S5 Sportback doesn’t offer cornering lights.

Model Availability

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The Q50 is available in both rear-wheel drive and all-wheel drive configurations. The S5 Sportback doesn’t offer a two-wheel drive configuration.

Economic Advantages

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IntelliChoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Infiniti Q50 will be $4344 to $17490 less than for the Audi S5 Sportback.

Recommendations

© 1999 - 2020 Advanta-STAR Automotive Research. All rights reserved. This vehicle comparison and all of the content in it are provided only by license from Advanta-STAR Automotive Research Corporation of America. If you are not a legally licensed user of this vehicle comparison, it is against federal law to access it, copy it, forward it or use it in any manner whatsoever. Any unauthorized use of this vehicle comparison is a violation of U.S. and international law and is punishable criminally and civilly. 6IUEX-0KENZ 45.55.47.189 2020/07/15

The Infiniti Q50 outsold the Audi A5/S5/RS 5 by 13% during 2019.

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