Here it is, the ultimate posh saloon group test! The A6, 5 Series and E-Class are established as the class leaders to beat when it comes to executive mid-size saloons. But with seemingly so little between them, which one stands out from the crowd? And should these German powerhouses be worried by the all-new Lexus ES? Stick with Mat for his latest group test, and let us know which one you’d choose in the comments below! Subscribe to Mat’s Channel – https://www.youtube.com/user/MatWatsonCars Instagram – http://www.instagram.com/carwowcars Facebook – http://www.facebook.com/carwowuk/ Twitter – http://www.twitter.com/carwowuk Check out the individual reviews: Mercedes E-Class - http://bit.ly/Mercedes-E-Class-Review BMW 5 Series - http://bit.ly/BMW-5-Series-Review Audi A6 - http://bit.ly/Audi-A6-Review Lexus ES - http://bit.ly/-Lexus-ES-Review Awkward haggling is a thing of the past with carwow. Choose your perfect car with our configurator tool and let the country’s best dealers compete over you. Compare the five best offers by price, location and dealer ratings and choose the one that’s right for you – no hassle, no haggling, just a great deal. Visit our site to save money on your new car – http://bit.ly/carwow-UK Oder auch in Deutschland Geld beim Autokauf sparen – http://bit.ly/carwow-DE