McLaren Speedtail prototype begins rigorous test program

McLaren Speedtail prototypeAfter revealing the Speedtail last month, McLaren has announced it’s ready to begin a rigorous test program for its new flagship Ultimate Series car. On Friday, the British marque unveiled the first Speedtail prototype as it gears up for a year-long test regimen across the globe. The prototype Speedtail doesn’t exactly represent the production car…

2021 Mercedes-Maybach GLS, 2019 Civic Type-R priced, Mustang Boss 429: The Week In Reverse

2021 Mercedes-Maybach GLS spy shots - Image via S. Baldauf/SB-MedienSpy shots showed the 2021 Mercedes-Maybach GLS for the first time; Honda priced the 2019 Civic Type-R at $36,595; and Classic Recreations dropped an 815-horsepower Mustang Boss 429. It’s the Week in Reverse, right here at Motor Authority. We spied the 2021 Mercedes-Maybach GLS for the first time. Rumors have suggested an ultra-luxurious…