Looking for the ultimate luxury-sport sedan this side of a pricey BMW M3 or Mercedes C63 AMG? Infiniti’s Q50 Red Sport 400 might just be the answer, updated for 2018 yet still punching out 400-hp from…

2018 Infiniti Q50 Red Sport 400 Road Test

Sometimes subtle changes make all the difference. Not that the outgoing Q50 was unattractive. In fact it was just the opposite. I'd say it was one of the more aesthetically pleasing cars in its class, but this refreshed 2018 model adds just the right amount of spice to styling that was starting to lose its savour. Even the best designs do, and the old Q50 wasn't about to wear out its welcome.

The outgoing Q50 first arrived in 2013 as a 2014 model. Four years is hardly long-lived for a premium model, not even coming close to the brand's QX50, which when replaced next year will have been soldiering along with only minor updates for 11 years, but changes to the 2018 Q50 weren't anywhere near as dramatic.

The upgrades include a modestly reworked version of Infiniti's trademark double-arch grille that now includes more texture within its wavy mesh-patterned insert, while more muscular character lines now follow the upper outside corners of that grille across each side of Read Full Story