This is slightly alarming, but...
Cars I have received as of 17 October 2017:
#4 Alienware Red Chevrolet
#24 Dupont Chevrolet
#24 New York Jets Chevrolet
#48 Alienware Pink Chevrolet
#64 Mobil 1 Honda
#66 Under Armour Chevrolet
#79 The Y CGS Ford
#79 Dublin Bottling Works Ford
#84 Alienware Blue Chevrolet
#90 Bud Light Chevrolet
Cars still needed:
#2 Reese's Cup Aston Martin
@tbwhhs
#2 Dish Network Aston Martin
#3 Panasonic Audi
@Sakura
#3 Dairy Queen Audi
#4 RUNUP Group Chevrolet
@Suzumiya
#5 Pakistan International Airlines Aston Martin
@Smurfybug
#6 Eli Lilly Pharmaceuticals Audi
@Zooparker
#7 Google Ferrari
@Formidable
#7 Coca-Cola Ferrari
#9 GT Sport Audi
@Whitetail
#10 Johnnie Walker Black Label Audi
@AudiMan2011
#10 Turn 10 Studios Audi
#11 Target Chevrolet
@DcrRaikkonen
#11 T-Mobile Chevrolet
#13 Total S.A. Chevrolet
@optiongamers
#14 Mello Yello Ferrari
@DCybertron
#15 Pepsi Honda
@GranTurismo916
#16 Blu Electronic Cigarettes Honda
@quietgirl
#17 Nikon Honda
@vetteman24
#17 GoPro Honda
#18 Sony Honda
@KuniKino****a
#18 Mountain Dew Pitch Black Honda
#19 GameStop Honda
@RACECAR
#19 Mountain Dew Baja Blast Honda
#20 Doritos Chevrolet
@DurWinning
#20 New York Giants Chevrolet
#23 British Airways Ferrari
@ECGadget
#26 Dragon War Audi
@Antares26
#26 Samsung Audi
#28 Texaco Havoline Chevrolet
@Luis Torres
#28 Miller Genuine Draft Chevrolet
#30 Superchips Chevrolet
@Michelin
#33 Petronas Audi
@NearCptNitro
#37 Shell Chevrolet
@Pezzarinho17
#37 DHL Express Chevrolet
#43 Lego Ford
@GTracerEHTeam
#43 National Geographic Ford
#48 T-Mobile Chevrolet
@RedDragon
#50 Logan's Roadhouse Aston Martin
@swiftsmith
#50 Bilstein Shocks Aston Martin
#51 Martini & Rossi Ferrari
@AJHG1000
#51 Coca-Cola Ferrari
#55 Amazon Aston Martin
@catamount39
#55 USO Aston Martin
#76 Burger King Chevrolet
@Niku Driver HC
#76 Snack King Chevrolet
#77 Coca-Cola Vanilla Ferrari
@Kingofweasles
#77 Ray Ban Ferrari
#80 Intel Honda
@nascarfan1400
#80 Bass Pro Shops Honda
#81 Monster Energy Ferrari
@Angel
#81 Rolex Ferrari
#83 Home Depot Honda
@Harsk100
#84 Bethesda Softworks Chevrolet
@amaterasu
#86 Kicker Audio Cosworth (Ford)
@YayoiGT2
#96 Royal Crown Cola Audi
@Clayton Hardy
Granted, some joined later, so that can explain a few. But there's a ton that are unaccounted for.