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1311 2013 Cadillac Ats October Update
four seasons long-term tests

2013 Cadillac ATS - Who's Afraid of Rear-Wheel Drive?

WINTER 2013 Cadillac ATS Front Three Quarter View
2013 Cadillac ATS reviews to date

Despite advances in stability control electronics and tires, rear-wheel drive still scares away drivers who live in snowy regions. That apparently includes ATS buyers. Cadillac says about 60 percent of them opt for all-wheel drive with the 2.0-liter four-cylinder and 3.6-liter V-6. (The base 2.5-liter four-cylinder is only offered with rear-wheel drive).

Automobile Magazine, not surprisingly, would have none of this. Our 2013 Cadillac ATS sends all of its 321 horsepower to the rear wheels. To restrain that power in wintry conditions, we’ve fitted the ATS with eighteen-inch Bridgestone Blizzaks from Tire Rack.

“People say, ‘My car is terrible in the snow.’ No, it’s not. Your tires are terrible in the snow,” says Woody Rogers, product information specialist at Tire Rack.

Our performance package-equipped ATS comes from the factory with Bridgestone Potenza RE050A summer tires that are staggered – 255 section width in back, 225 in front. For winter, Tire Rack recommends 225-section-width rubber on all four corners. That effectively creates a longer, narrower contact patch for the rear tires and offers more traction for accelerating and braking at the expense of some lateral grip. Using the same size on all four corners also increases the life of the tires, because they can be rotated front to back. (Our rear summer tires are down to their wear indicators after a little more than 15,000 miles—“not uncommon” for powerful rear-wheel-drive cars with staggered tires, says Rogers.) Our Blizzaks came mounted on eighteen-inch MSW-brand aluminum wheels that weigh 25.45 pounds each, about half a pound more than the factory wheels.

The new wheels and tires arrived not a moment too soon: the ATS, with this writer at the wheel, encountered an early snowstorm on a nighttime drive through Buffalo. Even with snowplows on constant patrol, enough white stuff accumulated to completely obscure lane markers, and there was also a strong crosswind. Not quite Iceland, but quite dicey nevertheless. The ATS tracked straight through it all, with none of the tail-out squirminess rear-wheel-drive cars sometimes exhibit on slippery roads. The ice/snow setting for the traction control system further helped minimize wheel spin by softening throttle response and starting from second gear.

Beyond getting through winter without any unintended off-road adventures, we were also concerned with maintaining dry-road handling—this sport sedan’s raison d’etre. Our specific model of Blizzaks, LM-32, is designed for performance cars. Nevertheless, it features smaller tread blocks and more grooves (sipes, to use official tire terminology) than a summer tire. Rogers says this “dramatic change in tread construction” gives the winter tire more bite on cold and wet roads but leads it to flex more than a summer tire on dry roads. Opinions have been mixed so far regarding how much the tires blunt the car’s edge.

“The Blizzaks felt squishy on my slightly-above-freezing commute to work,” copy editor Rusty Blackwell opined. “They take away a lot of the driving enjoyment.”

On colder days, though, the sporting character seems mostly intact. The steering wheel still provides a live feed from the front tires to your hands, and the magnetorheological dampers retain an iron grip over body motions.

On an unrelated note, we are still experiencing a slightly rough idle from the 3.6-liter V-6, as we first reported back in September. After two visits to our local dealer with no resolution, we ended up taking the ATS to a Cadillac dealer in Toledo, where the service technician informed us that this is an inherent issue with the ATS and the new 2014 CTS sedan. He added that Cadillac has issued software updates addressing NVH issues in the 2.5-liter and 2.0-liter ATS, but has not yet done so for the 3.6-liter models.

2013 Cadillac ATS Specs
  • Overview
  • powertrain
  • chassis
  • measurements
  • equipment
  • options
Body style 4-door sedan
Accommodation 5-passenger
Construction Steel unibody
Base price (with dest.)$47,590
Price As tested $49,735
Engine 24-valve DOHC V-6
Displacement 3.6 liters (217 cu in)
Power 321 hp @ 6800 rpm
Torque 275 lb-ft @ 4800 rpm
Transmission 6-speed automatic
Drive Rear wheel
EPA Fuel Economy 19/28/22 (city/hwy/combined)
Steering Electrohydraulically assisted
Lock-to-lock 2.7 turns
Turning circle 36.0 ft
Suspension, Front Strut-type, coil springs
Suspension, Rear Multilink, coil springs
Brakes F/R Vented discs
Wheels 18-inch aluminum
Tires Bridgestone Potenza RE050A
Tire size 225/40R-18 88W/255/35R-18 90W
Headroom F/R 38.6/36.8 in
Legroom F/R 42.5/33.5 in
Shoulder room F/R 55.2/53.9 in
Wheelbase 109.3 in
Track F/R 59.5/60.9 in
L x W x H 182.8 x 71.1 x 55.9 in
Passenger capacity 90.9 cu ft
Cargo capacity 10.4 cu ft
Weight 3461 lb
Weight dist. F/R 51.5/48.5%
Fuel capacity 16.0 gal
Est. fuel range 350 miles
Fuel grade 91 octane (premium unleaded)
  • Standard Equipment
    • Adaptive suspension dampers
    • Limited slip differential
    • Stainless-steel dual exhaust
    • Brembo performance front brakes
    • 18-inch aluminum wheels w/performance tires
    • Leather-trimmed interior
    • Power front seats
    • Split-folding rear seats
    • Cue w/8.0 –inch touchscreen
    • Navigation
    • Bose surround sound audio system
    • SiriusXM satellite radio w/3-month trial subscription
    • Leather-wrapped steering wheel and shift knob
    • Bluetooth audio and phone connectivity
    • Magnesium paddle shifters
    • Aluminum pedals
    • Automatic dual-zone climate control
    • Auto-dimming rearview mirror and exterior mirrors
    • Rain-sensing windshield wipers
    • Keyless entry and ignition
    • Front and rear parking assist
    • Dark-chrome grille
    • Rearview camera
    • Hill-start assist
  • Packages & Options
    • Power sunroof
    • $750
    • Cold weather package
    • $600
    • Heated steering wheel and front seats
    • Rear spoiler
    • $480
    • Front license plate bracket
    • $15

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