The combustion research that led to Mazda’s 13:1 compression ratio on 87-octane gas goes back about 10 years, long before there was a Skyactiv program.
Audi’s only gasoline V-6 as of the ’13 model year powers the A6 and A7 4-door "coupe," the high-performance S4 sedan and Cabriolet and S5 coupe, as well as the Q5 and Q7 CUVs and the ’13 A8 luxury sedan. It also can be...
Most competing hybrids, including those built by Toyota and Ford, use a parallel system with two motors and a planetary gear set, which is heavier and less energy efficient.
New V-6 likely will account for more than a third of the auto maker’s powertrains and contribute to about a 25% improvement in Chrysler’s overall corporate average fuel economy.
The 2.0L 4-cyl. is smooth and powerful enough to replace BMW’s iconic I-6 engines on a growing number of its up-market models. The auto maker already is designing a completely new engine family of 3-cyl., 4-cyl. and 6-cyl. engines.