John Diether

Automotive Editor

John Diether has been a professional writer, editor, and producer since 1997. His work can be found on TV, radio, web, and various publications throughout the world.  He is a graduate of Northwestern University and has a 1992 Cadillac Brougham d’Elegance in his garage. 

Recent Contributions by John

  • GMC Yukon vs. Chevrolet Tahoe

    Jan 16, 2017

    GM's full-size SUV twins, the GMC Yukon and Chevrolet Tahoe, have a lot in common: platform, body, running gear, and just about everything else that counts. Some might say

  • GMC Acadia vs. GMC Terrain

    Jan 16, 2017

    GMC completely redesigned its long-running Acadia crossover for 2017, targeting greater efficiency and maneuverability. Although it's now considered midsize, the Acadia can still accommodate seven passengers and a vacation's worth

  • Jeep Cherokee vs. Jeep Grand Cherokee

    Jan 12, 2017

    The current Cherokee arrived three years ago to bolster Jeep's position in the compact crossover segment. Buyers liked what they saw, and the Cherokee became a top seller for the

  • Jeep Compass vs. Jeep Cherokee

    Jan 12, 2017

    The Jeep Compass should look very familiar to you by now. It's served families and active singles for a decade, and although it faces a slew of newer competitors,

  • Jeep Renegade vs. Jeep Compass

    Jan 12, 2017

    Jeep's smallest crossover to date, the Renegade debuted last year to battle the latest wave of less-than-compact utility vehicles. The Renegade is one of the few in this breed that

  • Kia Optima vs. Hyundai Sonata

    Jan 12, 2017

    They don't sell like the Honda Accord and Toyota Camry, but the Hyundai Sonata and Kia Optima have come a long way in recent years. Buyers no longer perceive them

  • 2017 Dodge Charger YMM Overview

    Jan 10, 2017

    One of the few full-size, rear-wheel drive sedans left on the market, the brash Dodge Charger shows no signs of slowing down. It faithfully delivers exactly what some American

  • 2017 Dodge Challenger YMM Overview

    Jan 10, 2017

    Dodge's resident muscle car may look like a throwback to a different era, but the Challenger has kept pace with the times. In fact, the Challenger formula works better

  • 2017 Chrysler 300C YMM Overview

    Jan 10, 2017

    The plushest choice in Chrysler's 300 range, the 300C is a full-size luxury cruiser in the traditional American mold. You get plenty of power and eye-catching substance, along with

  • 2017 Chrysler 300 YMM Overview

    Jan 10, 2017

    Chrysler's largest and most luxurious model is one of a handful of sedans that can win you over on style alone. It's an unabashedly American cruiser with all of