Below are predictions for 10-2017 autosales for each auto brand. I modeled monthley car sales by nameplate (eg Camry, Civic, etc), predicted one step ahead forecast and summed by manufacture. The model is a state-space model with trend and seasonality of 12.

Manufacturers	2017-10-01
Acura	13434
Alfa	4174
Audi	19463
Bentley	147
BMW	24671
Buick	16098
Cadillac	16087
Chevrolet	188386
Chrysler	11397
Dodge	31470
Fiat	1889
Ford	201647
Genesis	2911
GMC	49994
Honda	117972
Hyundai	48862
Infinit	2597
Infiniti	12237
Jaguar	3599
Jeep	65997
Kia	54669
Land	7680
Lexus	27738
Lincoln	8837
Maserati	1024
Mazda	22668
Mercedes	20358
Mercedes-Benz	10691
Mini	3702
Mitsubishi	8867
Nissan	104120
Porsche	4199
Ram	45534
Scion	0
Smart	170
Subaru	53947
Tesla	4553
Toyota	185563
Volvo	10906
VW	28004