For enhanced safety, the front and rear seat shoulder belts of the Audi A5 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 Q60 Coupe doesn’t offer pretensioners for the rear seat belts.
To provide maximum traction and stability on all roads, All-Wheel Drive is standard on the A5. But it costs extra on the Q60 Coupe.
The Audi A5 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 Q60 Coupe doesn’t offer Daytime Running Lights.
The A5 offers optional Parking System to help warn the driver about vehicles, pedestrians or other obstacles behind or, optionally, in front of the vehicle. The Q60 Coupe doesn’t offer a front parking aid.
The A5’s optional blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The Q60 Coupe doesn’t offer a system to reveal objects in the driver’s blind spots.
Compared to metal, the A5’s plastic fuel tank can withstand harder, more intrusive impacts without leaking; this decreases the possibility of fire. The Infiniti Q60 Coupe has a metal gas tank.
Both the A5 and the Q60 Coupe have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, traction control and electronic stability systems to prevent skidding.
The A5’s corrosion warranty is 5 years longer than the Q60 Coupe’s (12 vs. 7 years).
There are over 66 percent more Audi dealers than there are Infiniti dealers, which makes it much easier should you ever need service under the A5’s warranty.
The Audi A5’s engine uses a cast iron block for durability, while the Q60 Coupe’s engine uses an aluminum block. Aluminum engine blocks are much more prone to warp and crack at high temperatures than cast iron.
The Q60 Coupe’s redline is at 7500 RPM, which causes more engine wear, and a greater chance of a catastrophic engine failure. The A5 has a 6300 RPM redline.
To reliably power the ignition and other systems and to recharge the battery, the A5 has a standard 150-amp alternator. The Q60 Coupe’s 130-amp alternator isn’t as powerful.
The battery on the A5 is in the trunk, which protects it from hot underhood temperatures that can degrade battery life. By keeping the A5’s battery 20 to 30 degrees cooler, its life is increased by years. The Q60 Coupe’s battery is in the hot engine compartment.
A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without their vehicle while it’s being repaired. Consumer Reports predicts that the A5’s reliability will be 45% better than the Q60 Coupe.
J.D. Power and Associates’ 2015 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Audi vehicles are more reliable than Infiniti vehicles. J.D. Power ranks Audi 14th in reliability, above the industry average. With 6 more problems per 100 vehicles, Infiniti is ranked 17th.
On the EPA test cycle the A5 Coupe Auto gets better fuel mileage than the Q60 Coupe AWD Auto (21 city/30 hwy vs. 18 city/25 hwy).
The A5 stops much shorter than the Q60 Coupe:
80 to 0 MPH
Road & Track
60 to 0 MPH
Road & Track
For better traction, the A5 has larger standard tires than the Q60 Coupe (245/40R18 vs. 225/50R18). The A5’s optional tires are larger than the largest tires available on the Q60 Coupe (255/35R19 vs. 225/45R19).
The A5’s standard tires provide better handling because they have a lower 40 series profile (height to width ratio) that provides a stiffer sidewall than the Q60 Coupe’s standard 50 series tires. The A5’s optional tires have a lower 35 series profile than the Q60 Coupe’s optional 45 series front and 40 series rear tires.
The A5 has standard front and rear gas-charged shocks for better control over choppy roads. The Q60 Coupe’s suspension doesn’t offer gas-charged shocks.
For better handling and stability, the track (width between the wheels) on the A5 is 1.8 inches wider in the front and .7 inches wider in the rear than on the Q60 Coupe.
The A5 Coupe handles at .94 G’s, while the Q60S pulls only .86 G’s of cornering force in a Road & Track skidpad test.
The A5 Coupe goes through Road & Track’s slalom 1.8 MPH faster than the Q60S (68.9 vs. 67.1 MPH).
The A5 Coupe has .6 inches more front shoulder room, 1.5 inches more rear headroom, 1.9 inches more rear legroom and .1 inches more rear shoulder room than the Q60 Coupe.
The A5 Coupe has a much larger trunk than the Q60 Coupe (12.2 vs. 7.4 cubic feet).
A low lift-over trunk design makes loading and unloading the A5 Coupe easier. The A5 Coupe’s trunk lift-over height is 26.2 inches, while the Q60 Coupe’s liftover is 33 inches. The A5 Cabriolet’s liftover is only 26.1 inches.
The A5’s standard folding rear seats are split to accommodate bulky cargo. The Q60 Coupe’s standard single piece folding rear seat is not as flexible; long cargo and a passenger can’t share the rear seat.
The A5’s rain-sensitive wipers adjust their speed and turn on and off automatically based on the amount of rainfall on the windshield. This allows the driver to concentrate on driving without constantly adjusting the wipers. The Q60 Coupe’s intermittent wipers change speed with vehicle speed, but can’t turn on and off or change speed based on changing rainfall.
Heated windshield washer nozzles are standard on the A5 to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Q60 Coupe 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 A5 offers available headlight washers to keep headlight output high. The Q60 Coupe doesn’t offer headlight washers.
A power rear sunshade is optional in the A5 Prestige Coupe to help block heat and glare for the rear passengers. The Q60 Coupe doesn’t offer a rear sunshade.
The A5 offers optional automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Q60 Coupe has an automatic rear view mirror, but its side mirrors don’t dim.
Optional air conditioned seats in the A5 Cabriolet keep the driver and front passenger comfortable and take the sting out of hot seats in Summer. The Q60 Coupe doesn’t offer air conditioned seats.
Both the A5 and the Q60 Coupe offer rear vents. For greater rear passenger comfort, the A5 has standard rear air conditioning vents to keep rear occupants cool in summer or warm in winter. The Q60 Coupe doesn’t offer rear air conditioning vents, only heat vents.
Insurance will cost less for the A5 owner. The Complete Car Cost Guide estimates that insurance for the A5 will cost $1935 less than the Q60 Coupe over a five-year period.
The A5 will cost the buyer less in the long run because of its superior resale value. The Intellichoice estimates that the A5 will retain 45.47% to 52.08% of its original price after five years, while the Q60 Coupe only retains 40.33% to 43.89%.
According to The Car Book by Jack Gillis, the A5 is less expensive to operate than the Q60 Coupe because typical repairs cost much less on the A5 than the Q60 Coupe, including $44 less for front brake pads, $62 less for front struts and $499 less for a timing belt/chain.
Intellichoice estimates that five-year ownership costs (depreciation, financing, insurance, fuel, fees, repairs and maintenance) for the Audi A5 will be $920 to $6921 less than for the Infiniti Q60 Coupe.
Consumer Reports® recommends the Audi A5, based on reliability, safety and performance.