2013 Cadillac ATS rated by EPA at 19/28 MPG

Article by Christian A., on September 19, 2012

Another set of fuel-economy figures for the 2013 Cadillac ATS was released by the Environmental Protection Agency. What the EPA did this time was to test the new ATS sports sedan with its 3.6-liter V-6 engine and six-speed automatic transmission. Models that have rear-wheel drive offers a fuel economy rating of 19/28 mpg (city/highway).

Meanwhile, an ATS with all-wheel drive returns 18/26 mpg. The 2013 Cadillac ATS is available with the optional V-6 as its most powerful engine, delivering 321 hp and 275 lb-ft of torque. It was reported previously that the car’s base engine -- a 2.5-liter inline-four with an output of 202 hp, has a fuel economy of 22/33 mpg. This engine is available only with an automatic transmission and rear-wheel drive.

The Cadillac’s new 2.0-liter turbo-four engine that delivers 272 hp and 260 lb-ft. Cadillac anticipates that the turbo engine will make up around half of all 2013 ATS sales. Buyers can choose from either rear- or all-wheel drive. It’s also the only way to use an ATS with a six-speed manual transmission. It’s likely that this turbo engine will have a fuel economy that would fall in between the ratings for the 2.5-liter and 3.6-liter engines.

In comparison, the 2012 Mercedes-Benz C350 sedan has a 302-hp 3.5-liter V-6 that offers 20/29 mpg with rear-wheel drive. Meanwhile, the 2012 Infiniti G37 sedan has a 328-hp 3.7-liter V-6 that returns 19/27 mpg with an automatic transmission and rear-wheel drive, or 18/25 mpg with all-wheel drive.

Furthermore, the 2012 Lexus IS350 sedan is powered by a 306-hp 3.5-liter V-6 engine that could return 19/27 mpg with rear-wheel drive, and 18/26 mpg with all-wheel drive. The 2013 Cadillac ATS has a starting price of $33,990 (including destination charges). However, buyers who ask for the 3.6-liter V-6 engine will need to pay a starting price of $42,090.

Taking into consideration fundamental measures for and guiding principles all throughout its development, the Cadillac ATS became one of the segment’s lightest cars in a nuanced approach that ensures a more refined driving experience.

David Masch, Chief Engineer of ATS, said that Cadillac ATS’ low weight features give it a controllable and more nimble feel while optimizing at the same time the efficiency and performance of the power trains. However, careful planning was made in managing the weight while at the same time maintaining Cadillac’s traditional levels of refinement.

The idea of optimizing the mass of Cadillac ATS’ mass results from the four-pronged philosophy which included strict observance to the original architectural goals, specifically measured load management, benchmarking components used to determine if lighter solutions are available and a total culture which weighed the mass in every component of the car alongside all the aspect of its new developments.

To supply Cadillac ATS’ low-weight measures, it is equipped with corresponding engine mount brackets made of magnesium, aluminum hood and lightweight door trim panel made of natural fiber.

Such features also add up to the systematic method of weighing up every gram that goes into the car. Some weight may not only be beneficial but also essential to the overall driving experience such as the newly discovered cast iron differential wherein the engineers found out that they could develop fuel economy using such deferential rather than the usual lighter aluminum version.

Press Release

Design, Engineering Contribute to ATS Fuel Economy

Cadillac’s award-winning 2013 ATS sport sedan with the new 272 horsepower 2.0L Turbocharged engine today received an EPA fuel economy rating of 21 city and 31 highway mpg, evidence that its lightweight and aerodynamic design marries high performance and fuel efficiency.

The ATS is available with three engine options. The standard 2.5L four-cylinder engine with 202 horsepower offers an EPA rated 22 city and 33 highway mpg. The top-of-the-line 3.6L V-6 and 321 horsepower offers an EPA tested 19 city and 28 highway mpg.

ATS engines rank near the top of the industry for “power density,” or horsepower per liter. Unlike its European rivals, ATS takes regular unleaded fuel except for the 2.0L Turbo engine. And for that model, it is a recommendation not a requirement.

“ATS is a no-compromise car,” said Don Butler, vice president of Cadillac Marketing. “The traditional sacrifices no longer apply.”

From a design standpoint, the vehicle’s sharp, swept-back styling allows the ATS to slice through the air with minimal resistance. On its front fascia, the vehicle features active aero grille shutters that automatically close when additional engine cooling is not needed. Underbody aero shields help redirect wind around and under the car, which also contributes to reducing cabin noise. ATS achieves a coefficient drag of .299.

With a base curb weight of 3,315 pounds (1,503kg) ATS is the lightest luxury sport sedan in the world contributing to the car’s quick acceleration and nimble handling. Its lightweight construction also benefits fuel economy.

Attention to detail during the design of its all-new body structure and chassis resulted in an architecture that is strong and lightweight. ATS uses advanced materials in many locations, including:

Ultra high strength steels throughout the car.
An aluminum hood and magnesium engine mounts.
A laminated windshield that is lighter than traditional tempered glass.
Door trim panels made from natural fibers are lighter than the standard-issue plastics.

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