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

  • 2017 Kia Forte YMM

    Jul 25, 2016

    Kia's popular compact sedan is known for offering plenty of upscale features to go with its snappy styling. With even more equipment on the roster this year, the Forte

  • 2017 Chevrolet Impala

    Jul 22, 2016

    The current Impala delivers what you expect in a full-size American car: abundant passenger room, a stress-free ride, and smooth drivability. What sets today's model apart from its ancestors

  • 2017 Audi S6 YMM Overview

    Jun 28, 2016

    For buyers who find the midsize A6 sedan too sedate, Audi serves up a V8-powered variant known as the S6. While it looks just as respectable as its button-down

  • 2017 Audi S8 YMM Overview

    Jun 28, 2016

    The high-performance version of Audi's prestigious A8 sedan, the S8 offers the same first-class comfort and amenities, but with the thrill of a 605-horsepower turbocharged V8. The S8 remains

  • 2017 Audi A8 YMM Overview

    Jun 27, 2016

    Audi's flagship sedan, the A8 continues to impress us with its museum-quality interior and array of powerful engines. You also get indulgent passenger room and standard all-wheel drive, which

  • 2017 Audi Q5 YMM Overview

    Jun 27, 2016

    Among compact luxury crossovers, the Audi Q5 has always been a people pleaser, delivering exactly what most buyers want without asking for too much coin in return. To keep

  • 2017 Audi Q3 YMM Overview

    Jun 27, 2016

    Audi's long-running Q3 proves that even the smallest crossovers can deliver a big dose of luxury and refinement. It remains a compelling lifestyle vehicle for active couples and singles

  • 2017 Audi S5 YMM Overview

    Jun 27, 2016

    The S5 coupe and convertible are the lovable delinquents in Audi's family of respectable compacts. Loaded with performance upgrades, the S5 can get downright aggressive, even if it looks

  • 2017 Audi S7 YMM Overview

    Jun 27, 2016

    To go along with its sleek fastback body, the full-size Audi S7 packs a turbocharged V8 and taut underpinnings that elevate it to performance sedan status. While it costs

  • 2017 Audi SQ5 YMM Overview

    Jun 27, 2016

    The souped-up version of Audi's compact Q5 crossover, the SQ5 carries some serious performance hardware to go with its family-friendly interior. Buyers who can't decide between thrills and versatility