Gary Witzenburg


Gary is a long-time contributor who writes about vehicles, engines and technology.

Efficient Drive-E Engines Transforming Volvo
The engine family was designed from the outset to be teamed with electrification in hybrid-electric vehicles.
VW’s Gasoline I-4 Impresses More Than Diesel Sibling
WardsAuto judges laud both its fuel efficiency and performance – especially its surprising torque at low rpms – and its availability in affordable vehicles.
Road to Hellcat Paved With Muscle-Car Passion 1
“If one were sentenced to eternal damnation,” one WardsAuto editor concluded, “there’s no finer way to get there than in the Hellcat, running into the abyss at wide-open throttle while the helpless soul hangs on for dear life.”
Ford’s 3-Cyl. Gutsy, Efficient and Fun to Drive 1
Ford says the 999cc I-3 is not only its smallest EcoBoost engine but also its most advanced.
Subaru’s Lightweight Boxer Punches Above Weight
Subaru’s hardy flat-fours once were criticized as buzzy, unrefined and not very fuel-efficient, but the latest 268-hp 2.0L turbocharged, direct-injected iteration earns high praise.
Mighty Mini 3-cyl. Features BMW’s Latest Tech
Technology includes turbocharging, direct injection, dual Vanos variable camshaft control on intake and outlet sides and Valvetronic fully variable valve control.
Ram Ecodiesel Barely Louder Than German Luxury Cars
One key contributor to its unusual quietness is its rigid compacted graphite iron (CGI) block and bedplate. CGI typically reduces combustion noise 0.5 to 1.5 dBA vs. conventional gray iron.
BMW’s Clean Sheet EV 2
The i3 is purpose-designed to provide something approaching BMW performance and handling, along with ultra-high efficiency.
GM’s Fuel-Sipping Beast 1
The classic image of a V-8 is big and thirsty. Engineers set out to dispel that notion by making the small-block Gen V engines extremely efficient. Along the way, some dynamometers also got toasted.
Audi’s Supercharged V-6 Makes V-8s (Almost) Obsolete
Surprisingly, it was planned as a small-volume engine for high-performance compact S4s and S5s. Now it is Audi's only V-6 available in midrange A6s and A7s, the flagship A8 sedan and Q5, SQ5 and Q7 CUVs.
Toyota Rolls Out First Turbocharged Engine Since 1998 1
Toyota considers turbochargers similar to hybrid systems because they both amplify engine performance.
VW’s Featherweight Fuel Miser
VW’s third-generation EA888 I-4 is a modularized masterpiece that plays many roles well.
With 3.5L V-6, Honda Proves Less is More
Honda engineers achieved impressive fuel efficiency and output without dual-overhead camshafts or direct fuel injection, which add substantial cost, complexity, mass and package size.
Cruze Diesel Impressive Effort Against Germany’s Best
Clearly it will take time to find a following like VW has developed over decades in the U.S. But as far as the engine itself is concerned, the GM 2.0L turbodiesel is a strong start.
Fiat 500e Truly Fun-to-Drive EV 10
A rookie EV team created a smashingly good conversion of Fiat Chrysler’s B-Car.

more data and Insights


Follow Us

Sponsored Introduction Continue on to (or wait seconds) ×