2014 Detroit Auto Show

001_RTX17CY0 copy.jpg — Joshua Lott/Reuters

The Kia GT4 Stinger concept car is displayed during the press preview day of the North American International Auto Show in Detroit, Mich., Jan. 13, 2014.

Porsche 911

The Porsche 911 Targa is introduced at the 2014 North American International Auto Show in Detroit, Jan. 13, 2014.

Kia GT4

The Kia GT4 Stinger concept debuts during media previews during the North American International Auto Show in Detroit, Jan. 13, 2014.

Infiniti Q50

The Infiniti Q50 Eau Rouge is unveiled during media previews during the North American International Auto Show, Jan. 14, 2014.

Continental GT V8 S

The new Continental GT V8 S on display at the North American International Auto Show, Jan. 13, 2014.

Audi E-Tron

The Audi E-Tron Quattro Allroad Concept vehicle is unveiled at the 2014 North American International Auto Show, Jan. 13, 2014.

Nissan Sport Sedan

A Nissan Sport Sedan Concept is displayed during a media preview day at the North American International Auto Show, Jan. 14, 2014.

2015 Lexus RCF

The 2015 Lexus RCF is revealed at the press preview of the 2014 North American International Auto Show Jan. 14, 2014.

Honda Fit

American Honda Motor Co., Executive Vice President John Mendel unveils the 2015 Honda Fit at the North American International Auto Show, Jan. 13, 2014.

Kia GT4

The Kia GT4 Stinger debuts during media previews during the North American International Auto Show, Jan. 13, 2014.

Hyundai

Christopher Chapman, chief designer at Hyundai Design North America, discusses the automaker's lineup at the North American International Auto Show, Jan. 13, 2014.

Infiniti Q50

Detail of the Infiniti Q50 Eau Rouge as it is unveiled during a press preview at the North American International Auto Show, Jan. 14, 2014.

Nissan Pathfinder

A Nissan Pathfinder sits on display behind a guest who is trying out Nissan's 1DX 3D Experience at the North American International Auto Show, Jan. 14, 2014.

BMW M3

David Coleman polishes up a BMW M3 on display at the North American International Auto Show (NAIAS), Jan. 14, 2014.

Subaru WRX STi

The new Subaru WRX STi is introduced at the press preview of the 2014 North American International Auto Show, Jan. 14, 2014.

Mercedes-Benz

Cars at the Mercedes-Benz exhibit are shown at the press preview of the 2014 North American International Auto Show, Jan. 14, 2014.

Mercedes-Benz S-Class Coupe

The Mercedes-Benz S-Class Coupe concept is introduced at the 2014 North American International Auto Show, Jan. 13, 2014.

Hyundai Genesis

The Hyundai Genesis is unveiled at the North American International Auto Show in Detroit, Monday, Jan. 13, 2014. (AP Photo/Carlos Osorio)

Porsche 911 Targa

Porsche's new 911 Targa is displayed at the North American International Auto Show, Jan. 14, 2014.

Porsche 911 Targa 4

Porsche introduces the new 911 Targa at the North American International Auto Show, Jan. 13, 2014.

Toyota FT-1

The Toyota FT-1 concept car is on display during a press preview at the North American International Auto Show, Jan. 13, 2014.

Corvette C7R

The Corvette C7R racing car is presented during a press preview at the North American International Auto Show, Jan. 13, 2014.

Mercedes-Benz 2015 C-Class

The new Mercedes-Benz 2015 C-Class is displayed on the eve of the 2014 North American International Auto Show, Jan. 12, 2014.

Toyota FT-1

View of the Toyota FT-1 concept car's grille area as it is unveiled during the press preview day of the North American International Auto Show, Jan. 13, 2014.

Chevrolet Corvette Stingray

Tadge Juechter, chief engineer of Cadillac XLR and Chevrolet Corvette at General Motors stands with the 2014 Chevrolet Corvette Stingray, named the North American Car of the Year, at the 2014 Detroit Auto Show, Jan. 13, 2014.

Ford F-150

Ford introduces the new F-150 pickup truck at the North American International Auto Show, Jan. 13, 2014.

Ford F-150

Members of the media look over the Ford F-150 pickup truck after its introduction at the North American International Auto Show, Jan. 13, 2014.

Ford F-150

Ford introduces the new F-150 pickup truck at the North American International Auto Show, Jan. 13, 2014.

Toyota FT-1

The new Toyota FT-1 Concept is revealed at the press preview of the 2014 North American International Auto Show, Jan. 13, 2014.

GMC Canyon

The all-new 2015 GMC Canyon midsize truck makes its world debut on the eve of the press preview of the 2014 North American International Auto Show, Jan. 12, 2014.

Mercedes C Class

The new Mercedes C Class makes its debut at the North American International Auto Show in Detroit, Jan. 12, 2014.

Mercedes C-Class

A Mercedes C-Class sedan is unveiled at a press event on the eve of the 2014 North American International Auto Show in Detroit, Mich., Jan. 12, 2014.

Mercedes C-Class

A Mercedes C-Class sedan is unveiled at a press event on the eve of the 2014 North American International Auto Show in Detroit, Jan. 12, 2014.

Audi

An Audi is moved through Cobo Hall as preparations are made for the North American International Auto Show, Jan. 12, 2014.

Dodge

A Dodge car is under wraps in Cobo Hall as preparations are made for the North American International Auto Show, Jan. 12, 2014.

Chrysler 200 S

Detail view of the grille area of the new Chrysler 200 S sedan as it is unveiled during the press preview day of the North American International Auto Show in Detroit, Jan. 13, 2014.

Chrysler 220 C

The Chrysler 220 C is introduced at the 2014 North American International Auto Show in Detroit, Jan. 13, 2014.

Ford F150

The new Ford F150 is introduced at the 2014 North American International Auto Show in Detroit, Jan. 13, 2014.

Chevrolet Corvette Z06

The Chevrolet Corvette Z06 is presented during a press preview at the North American International Auto Show, Jan. 13, 2014.

Ford Transit Connect

A Ford Transit Connect is displayed during the press preview day of the North American International Auto Show in Detroit, Jan. 13, 2014.

Chrysler

Al Gardner, President and CEO of Chrysler Group, speaks next to one of the company's new 200 S sedans during the press preview day of the North American International Auto Show in Detroit, Jan. 13, 2014.

MINI

Singer Natalie La Rose helps to introduce the MINI John Cooper Works Concept car at the North American International Auto Show, Jan. 13, 2014.

MINI

MINI introduces the John Cooper Works Concept car at the North American International Auto Show, Jan. 13, 2014.

Audi S8

The Audi S8 sedan is introduced at the 2014 North American International Auto Show in Detroit, Jan. 13, 2014.

Porsche 911 Targa 4

The Porsche 911 Targa 4 is introduced at the 2014 North American International Auto Show in Detroit, Jan. 13, 2014.

Volkswagen's Beetle Dune

Members of the media get a look at Volkswagen's Beetle Dune during a press preview at the North American International Auto Show, Jan. 13, 2014.

AudiS8

The new AudiS8 crossover vehicle is revealed at the press preview of the 2014 North American International Auto Show, Jan. 13, 2014.