Despite sales being a fraction of what they were 10 years ago, large luxury SUVs like the Navigator still find homes with roughly 80,000 buyers.

• THE ALL-NEW FORD MUSTANG

  The next chapter in the life of the iconic pony car begins as the all-new Ford Mustang debuts loaded with innovative technologies and delivering world-class levels of performance. With an all-new sophisticated design clearly inspired by 50 years of heritage Mustang has evolved to attract a wider array of customers as it becomes available in new markets around the globe.

But the frame is still made of high-strength steel for strength and durability. Engines include a 3.5-liter V-6, a 2.7-liter EcoBoost V-6 or 3.5-liter EcoBoost V-6, and a 5.0-liter V-8. Ford is taking a gamble on aluminum, but if it succeeds, it could alter the way trucks are designed and built.                                

2015 Infiniti QX80 (formerly QX56) comes with a V8 engine that reviewers say gives the QX80 very quick acceleration. A seven-speed automatic transmission is standard, and reviewers report that it shifts quickly and transmits power smoothly.