La siguiente entrega en la serie Horizon contará con una muy amplia gama de autos que van desde los exclusivos super deportivos, hasta autos clásicos y todo terreno.
En conjunto con Turn 10, Playground Games han revelado los primeros 150 carros que serán incluidos en el juego:
- 1968 Abarth 595 esseesse
- 2010 Abarth 500 esseesse
- 2001 Acura Integra Type-R
- 1965 Alfa Romeo Giulia Sprint GTA Stradale
- 1968 Alfa Romeo 33 Stradale
- 2014 Alfa Romeo 4C
- 1971 AMC Javelin AMX
- 2013 Ariel Atom 500 V8
- 2016 Ariel Nomad
- 1964 Aston Martin DB5
- 2010 Aston Martin One-77
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- 2012 Aston Martin Vanquish
- 2006 Audi RS 4
- 1983 Audi Sport Quattro
- 2013 Audi RS 4 Avant
- 2013 Audi R8 Coupé V10 plus 5.2 FSI quattro
- 2016 Audi R8 V10 plus (Tier 4 Reward Car)
- 2014 BAC Mono
- 2013 Bentley Continental GT Speed
- 1997 BMW M3
- 2005 BMW M3
- 2008 BMW M3
- 1973 BMW 2002 Turbo
- 1986 BMW M635CSi
- 2012 BMW M5 (Tier 5 Reward Car)
- 1995 BMW M5
- 2014 BMW M4 Coupe
- 2014 BMW M235i
- 2012 Bowler EXR S
- 2011 Bugatti Veyron Super Sport
- 1987 Buick Regal GNX
- 2012 Cadillac Escalade ESV
- 1990 Chevrolet Camaro IROC-Z
- 2009 Chevrolet Corvette ZR1
- 1970 Chevrolet El Camino Super Sport 454
- 1964 Chevrolet Impala Super Sport 409
- 2015 Chevrolet Corvette Z06
- 2015 Chevrolet Camaro Z/28
- 2015 Chevrolet Baldwin Motorsports Monster Energy Trophy Truck
- 2016 Chevrolet Camaro Super Sport
- 2012 Chrysler 300 SRT8
- 1970 Datsun 510
- 1999 Dodge Viper GTS ACR
- 1969 Dodge Charger R/T
- 1970 Dodge Challenger R/T
- 2015 Dodge Charger SRT Hellcat
- 2015 Dodge Challenger SRT Hellcat
- 2013 Donkervoort D8 GTO
- 1967 Ferrari 330 P4
- 1994 Ferrari F355 Berlinetta
- 1992 Ferrari 512 TR
- 2002 Ferrari Enzo Ferrari
- 1987 Ferrari F40
- 1995 Ferrari F50
- 2009 Ferrari 458 Italia (Tier 6 Reward Car)
- 1957 Ferrari 250 Testa Rossa
- 1957 Ferrari 250 California
- 1962 Ferrari 250 GT Berlinetta Lusso
- 2013 Ferrari LaFerrari
- 2014 Ferrari California
- 2016 Ferrari FXX K
- 2015 Ferrari 488 GTB
- 1975 Fiat X1/9
- 2015 Ford Falcon XR8
- 2005 Ford GT (Tier 10 Reward Car)
- 1966 Ford GT40 Mk II
- 2000 Ford SVT Cobra R
- 2009 Ford Focus RS
- 1973 Ford XB Falcon GT
- 1987 Ford Sierra Cosworth RS500
- 2012 Ford F-150 SVT Raptor
- 2011 Ford Transit SuperSportVan
- 1973 Ford Capri RS3100
- 1969 Ford Mustang Boss 302
- 2014 Ford Ranger T6 Rally Raid
- 1975 Ford Bronco
- 2017 Ford GT
- 2017 Ford F-150 Raptor Game Reward Car
- 2014 Ford FPV Limited Edition Pursuit Ute
- 2016 Ford Shelby GT350R
- 1983 GMC Vandura G-1500
- 2012 Hennessey Venom GT
- 2014 Holden HSV GTS
- 1977 Holden Torana A9X
- 1992 Honda NSX-R (Tier 2 Reward Car)
- 2009 Honda S2000 CR
- 2006 Hummer H1 Alpha
- 2013 Hyundai Genesis Coupe 3.8 Track
- 2014 Infiniti Q50 Eau Rouge
- 1961 Jaguar E-type S1
- 1956 Jaguar D-Type
- 2016 Jaguar F-TYPE Project 7
- 2012 Jeep Wrangler Rubicon
- 1945 Jeep Willys MB
- 1991 Jeep Grand Wagoneer
- 2015 Koenigsegg One:1 (VIP Reward Car)
- 2013 KTM X-Bow R
- 1967 Lamborghini Miura P400
- 2008 Lamborghini Reventón
- 2013 Lamborghini Veneno
- 2014 Lamborghini Huracán LP 610-4 (Tier 9 Reward Car)
- 2016 Lamborghini Centenario LP 770-4
- 1974 Lancia Stratos HF Stradale
- 1982 Lancia 037 Stradale
- 1997 Land Rover Defender 90
- 2010 Lexus LFA
- 2013 Lexus GS350 F Sport
- 2014 Local Motors Rally Fighter Game Reward Car
- 2012 Lotus Exige S
- 2011 Lotus Evora S
- 2009 Lotus 2-Eleven
- 1961 Maserati Tipo 61 Birdcage
- 2014 Maserati Ghibli S Q4
- 2010 Mazda MazdaSpeed 3
- 1972 Mazda Cosmo 110S Series II
- 1993 McLaren F1
- 2013 McLaren P1 (Tier 8 Reward Car)
- 2016 Mercedes-AMG C 63 S Coupé
- 2012 Mercedes-Benz C 63 AMG Coupé Black Series
- 2013 Mercedes-Benz G 65 AMG
- 2013 Mercedes-Benz A 45 AMG
- 2015 Mercedes-Benz GT S
- 1965 MINI Cooper S
- 2013 MINI X-Raid All4 Racing Countryman
- 2006 Mitsubishi Lancer Evolution IX MR
- 2004 Mitsubishi Lancer Evolution VIII MR
- 2002 Nissan Skyline GT-R V-Spec II
- 2012 Nissan GT-R Black Edition
- 1993 Nissan 240SX SE
- 1969 Oldsmobile Hurst/Olds 442
- 2009 Pagani Zonda Cinque Roadster
- 2012 Pagani Huayra
- 2015 Polaris RZR XP 1000 EPS
- 1973 Pontiac Firebird Trans Am SD-455
- 1969 Pontiac GTO Judge
- 1973 Renault Alpine A110 1600S
- 2014 Rolls-Royce Wraith
- 2004 Saleen S7
- 1965 Shelby Cobra Daytona Coupe
- 2013 Shelby Ford F-150 SVT Raptor Shelby
- 2013 SRT Viper GTS (Tier 7 Reward Car)
- 1998 Subaru Impreza 22B STi
- 2005 Subaru Impreza WRX STI
- 2013 Subaru BRZ
- 2014 Tesla Model S P85D
- 1985 Toyota Sprinter Trueno GT Apex
- 1998 Toyota Supra RZ
- 2012 Vauxhall Astra VXR
- 1997 Volvo 850 R
- 2003 Nissan Fairlady Z (Tier 3 Reward Car)
- 2016 Ford #66 Racing GT Le Mans (Forza Horizon 3 Motorsport All-Stars Pack)
- 2014 Audi #45 Flying Lizard Motorsports R8 LMS ultra (All-Stars Pack)
- 2014 Chevrolet #3 Corvette Racing Corvette C7.R (All-Stars Pack)
- 2014 Dodge #94 SRT Motorsports Viper GTS-R (All-Stars Pack)
- 2014 Ferrari #51 AF Corse 458 Italia GTE (All-Stars Pack)
- 2015 Nissan #1 Nismo Motul Autech GT-R (All-Stars Pack)
- 2015 Lamborghini #63 Squadra Corse Huracán LP620-2 Super Trofeo (All-Stars Pack)
- 2016 Holden #22 Sharkbite HRT VF Commodore (All-Stars Pack)
- 2016 Ford #55 Supercheap Falcon FG X (All-Stars Pack)
- 2014 BMW #55 BMW Team RLL Z4 GTE (All-Stars Pack)
- 2016 Lamborghini Aventador LP750-4 SV (VIP Car)
- 2016 Koenigsegg Regera (VIP Car)
- 2015 Ultima Evolution Coupe 1020 (VIP Car)
- 2015 Ferrari F12tdf (VIP Car)
- 2015 Ford Falcon GT F 351 (VIP Car)