Ed Wallace: 2018 Buick Regal GS FOX 4 News Dallas-Fort Worth Good Day Published May 25, 2018 8:42 AM CDT Share Copy Link Email Facebook Twitter LinkedIn Reddit Published May 25, 2018 8:42 AM CDT Car critic Ed Wallace takes a look at the all new 2018 Buick Regal GS. He says the size of the car is almost identical to that of the Honda Accord, Toyota Camry or Mazda 6. But it's got the worst gas mileage of the bunch and the highest pricetag.