2015 by the Numbers

$8 billion Amount in stock buybacks that activist investor Harry Wilson sought from General Motors

$5 billion Amount in stock buybacks that activist investor Harry Wilson got from General Motors

$25,272 Average trade-in price for a base 2012 Toyota FJ Cruiser from August through October, which is 91% of its original sticker price of $27,840, per NADA Used Car Guide

2050 Year by which Toyota wants to cut average carbon dioxide emissions from its new vehicles by 90 percent

$86 billion Top-range estimate by Credit Suisse of what VW could pay to settle the diesel emissions scandal. Credit Suisse's low-range estimate: $26 billion.

0 Number of SUVs and electric vehicles that Ferrari plans to develop, per CEO Amedeo Felisa

2.8 seconds 0-to-100 km/h acceleration time for the Tesla Model S in "Ludicrous Mode"

707 Horsepower of the Dodge Challenger and Charger SRT Hellcat muscle cars

$1 billion Amount Toyota will pay to be a "top tier" sponsor of the next four Olympic Games. The deal starts in 2017 and runs through the 2024 Olympics.

$3.1 billion Price paid by Audi, BMW and Daimler to purchase Here, the leading supplier of maps for in-car navigation, from Nokia