The BlueDirect 2.0L turbo-4 first appeared on our radar during a test drive last spring of the larger E-Class, a highly intelligent sedan with autonomous capabilities but whose most impressive feature might be the unassuming but exceedingly...

Many automakers are great at combustion engineering, but Mazda is turning it into an art form. 

By strapping a turbocharger to each cylinder bank of an engine nearly half the size of the Hemi V-8 – and incorporating lots of compelling technologies – Infiniti has displaced displacement while compromising nothing.

If Honda engineers suffer from an inferiority complex because rival Toyota gets all the hybrid love, the new Accord Hybrid gives them reason to stand taller today.

Time and again, Hyundai has demonstrated its ability to transform an engine that could be pedestrian in a modest grocery getter into something so much more. Its new pint-sized powerplant checks all our boxes.

If there was a slam-dunk engine in this year’s competition, it was this one. Scores were high across the board, and there was no real debate among the judges during final deliberations as to whether this high-performance challenger was...

The Pacifica Hybrid's plug-in propulsion system seamlessly shifts between modes as it draws power from twin electric motors and a revised 3.6L Atkinson-cycle DOHC V-6.​

The Chevy Volt’s innovative engineering and second-generation advances make its impact on the industry at large undeniable and its encore appearance on the Wards 10 Best Engines list richly deserved.  

Other automakers would give up corporate secrets in exchange for just one of BMW’s excellent inline-6 turbos. With two of them, BMW guards the I-6 legacy, as well as its brand heritage.