2020 Nissan 370Z vs. 2019 Cadillac ATS Coupe

Detailed Review, Specifications & Comparison

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The 370Z has standard Active Head Restraints, which use a specially designed headrest to protect the driver and front passenger from whiplash. During a rear-end collision, the Active Head Restraints system moves the headrests forward to prevent neck and spine injuries. The ATS Coupe doesn’t offer a whiplash protection system.

Both the 370Z and the ATS Coupe have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, front seatbelt pretensioners, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, daytime running lights and rearview cameras.


There are over 20 percent more Nissan dealers than there are Cadillac dealers, which makes it easier should you ever need service under the 370Z’s warranty.


A reliable vehicle saves its owner time, money and trouble. Nobody wants to be stranded or have to be without a vehicle while it’s being repaired. Consumer Reports rates the 370Z’s reliability 37 points higher than the ATS Coupe.

J.D. Power and Associates’ 2019 Initial Quality Study of new car owners surveyed provide the statistics that show that Nissan vehicles are better in initial quality than Cadillac vehicles. J.D. Power ranks Nissan 7th in initial quality, above the industry average. With 14 more problems per 100 vehicles, Cadillac is ranked 17th, below the industry average.

J.D. Power and Associates’ 2019 survey of the owners of three-year-old vehicles provides the long-term dependability statistics that show that Nissan vehicles are more reliable than Cadillac vehicles. J.D. Power ranks Nissan 15th in reliability. With 29 more problems per 100 vehicles, Cadillac is ranked 23rd.

From surveys of all its subscribers, Consumer Reports’ December 2018 Auto Issue reports that Nissan vehicles are more reliable than Cadillac vehicles. Consumer Reports ranks Nissan 14 places higher in reliability than Cadillac.


The 370Z’s standard 3.7 DOHC V6 produces 60 more horsepower (332 vs. 272) than the ATS Coupe’s standard 2.0 turbo 4 cyl. The 370Z NISMO’s standard 3.7 DOHC V6 produces 15 more horsepower (350 vs. 335) than the ATS Coupe’s optional 3.6 DOHC V6.

Fuel Economy and Range

The 370Z has 3 gallons more fuel capacity than the ATS Coupe (19 vs. 16 gallons), for longer range between fill-ups.


The 370Z offers a manual transmission for better acceleration, control and fuel economy. The ATS Coupe doesn’t offer a manual transmission.

Brakes and Stopping

For better stopping power the 370Z Sport/NISMO’s brake rotors are larger than those on the ATS Coupe:

370Z Sport/NISMO

ATS Coupe

Front Rotors

14 inches

12.6 inches

Rear Rotors

13.8 inches

12.4 inches

The 370Z stops shorter than the ATS Coupe:


ATS Coupe

60 to 0 MPH

106 feet

114 feet

Motor Trend

Tires and Wheels

For better traction, the 370Z NISMO’s tires are larger than the largest tires available on the ATS Coupe (F:245/40R19 & R:285/35R19 vs. F:225/40R18 & R:255/35R18).

For better ride, handling and brake cooling the 370Z Sport/Sport Touring has standard 19-inch wheels. The ATS Coupe’s largest wheels are only 18-inches.

The 370Z has a standard space-saver spare tire so you can replace a flat tire and drive to have the flat repaired or replaced. A spare tire isn’t available on the ATS Coupe; it requires you to depend on its run-flat tires, which limits mileage and speed before they are repaired. If a run-flat is damaged beyond repair by a road hazard your vehicle will have to be towed.

Suspension and Handling

The 370Z handles at .99 G’s, while the ATS Coupe pulls only .91 G’s of cornering force in a Motor Trend skidpad test.

The 370Z executes Motor Trend’s “Figure Eight” maneuver quicker than the ATS Coupe (24.9 seconds @ .73 average G’s vs. 25.6 seconds @ .71 average G’s).

For better maneuverability, the 370Z’s turning circle is 3.2 feet tighter than the ATS Coupe FE3’s (32.8 feet vs. 36 feet). The 370Z Sport/NISMO’s turning circle is 4 feet tighter than the ATS Coupe AWD’s (34.1 feet vs. 38.1 feet).


The 370Z is 1 foot, 4.1 inches shorter than the ATS Coupe, making the 370Z easier to handle, maneuver and park in tight spaces.

Passenger Space

The 370Z has .6 inches more front headroom, .6 inches more front legroom, .5 inches more front hip room and .3 inches more front shoulder room than the ATS Coupe.


The 370Z’s standard power windows have a locking feature to keep children from operating them. Cadillac does not offer a locking feature on the ATS Coupe’s standard power windows.

If the windows are left open on the 370Z the driver can close them all at the outside door handle. On a hot day the driver can lower the windows at the outside door handle or from a distance using the keyless remote. The driver of the ATS Coupe can only operate the windows from inside the vehicle, with the ignition on.

Economic Advantages

Insurance will cost less for the 370Z owner. The Car Book by Jack Gillis rates the 370Z with a number “3” insurance rate while the ATS Coupe is rated higher at a number “8” rate.

According to The Car Book by Jack Gillis, the 370Z is less expensive to operate than the ATS Coupe because it costs $597 less to do the manufacturer’s suggested maintenance for 50,000 miles. Typical repairs cost much less on the 370Z than the ATS Coupe, including $77 less for a water pump, $643 less for a muffler, $107 less for front brake pads, $226 less for a starter, $308 less for fuel injection and $77 less for a fuel pump.


Consumer Reports® recommends the Nissan 370Z, based on reliability, safety and performance.

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

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