Gary Witzenburg


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

Audi V-6 Remains Industry Benchmark
The supercharged V-6 is notable not only for its refinement and efficiency but also for its versatility, powering everything from compacts to big CUVs.
Thrifty Honda V-6 Marries Two Technologies, Spurns Another
Despite 278 eager horses, editors logged 29.4 mpg – well above its 25-mpg combined rating. In an era when many auto makers are being hammered for not coming close to their official fuel-economy ratings, this is exceptional.
GM 4-Cyl. Trumps BMW and Ford in Power 4
This new specific-output leader is more efficient and refined.
BMW 4-Cyl. Techy, Torquey and Efficient
Advanced technology, strong low-rpm torque and a superb 8-speed transmission make BMW’s turbo 4-cyl. a winner for the second year in a row.
Dreamy Technology Makes New Honda 4-Cyl. Stand Out
This new 2.4L 4-cyl. is the first production beneficiary of "Earth Dreams” technology, Honda's whimsical name for a set of next-generation advancements aimed at improving performance and efficiency.
How Ford Designed a Brute That Doesn’t Guzzle
The development team set out with four clear-cut goals: 650 hp, 600 lb-ft. of torque, 200-mph top speed and no gas-guzzler tax.
High-Revving Subaru Boxer Engine Is Crowd Pleaser
The good news is there already is a turbo version. The bad news is it won’t fit in the Subaru BRZ and Scion FR-S.
How Mazda's Skyactiv Fuel-Efficiency Technology Works
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.
Meet the New Boss
Ford’s Boss 302 is remarkable because it achieves its prodigious output without forced induction and is a surprisingly pleasant daily driver.
The Ultimate Combustion Machine
The industry has moved to V-6s but BMW still believes its iconic I-6 design is the engine of the future.
Supercharged Audi V-6 Excels in Power, Efficiency, Refinement
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 found in the VW Touareg and two Porsches.
Buick Regal GS Turbo Beats Everyone in Output 7
The 2.0L had to be a credible replacement for a much larger V-6, so a top priority was being fun-to-drive.
Infiniti M35h Hybrid Refined, Efficient, Surprisingly Fast
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.
Chrysler Pentastar V-6 Rare Blend of Versatility, Refinement
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.
BMW's Innovative 4-Cyl. Blazes New Path for Smaller Engines
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.
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