Air racing
| Series | Rider | refer |
|---|---|---|
| Red Bull Air Race World Championship |  Martin Šonka | 2018 Red Bull Air Race World Championship |
Challenger:  Luke Czepiela |
| 2018 motorsport champions | |
| Previous: 2017 | Next: 2019 |
This list of 2018 motorsport champions is a list of national or international motorsport series with championships decided by the points or positions earned by a driver from multiple races where the season was completed during the 2018 calendar year.
| Series | Rider | refer |
|---|---|---|
| Red Bull Air Race World Championship | Martin Šonka | 2018 Red Bull Air Race World Championship |
| Challenger: Luke Czepiela |
| Series | Champion | refer |
|---|---|---|
| Lucas Oil Late Model Dirt Series |  Jonathan Davenport | 2018 Lucas Oil Late Model Dirt Series |
| Oval Superstars Tour |  Karl McGill | 2017-18 Oval Superstars Tour |
| Teams: McGill Motorsport | ||
| Super DIRTcar Series | Matt Shepherd | 2018 Super DIRTcar Series |
| World of Outlaws Late Model Series | Mike Marlar | 2018 World of Outlaws Craftsman Late Model Series |
| World of Outlaws Sprint Car Series | Donny Schatz | 2018 World of Outlaws Craftsman Sprint Car Series |
| Series | Champion | Refer |
|---|---|---|
| NHRA Mello Yello Drag Racing Series | Top Fuel: Steve Torrence | 2018 NHRA Mello Yello Drag Racing Series |
| Funny Car: J. R. Todd | ||
| Pro Stock: Tanner Gray | ||
| Pro Stock Motorcycle: Matt Smith | ||
| European Drag Racing Championship | Top Fuel:  Anita Mäkelä | |
Top Methanol:  Dennis Habermann | ||
Pro Stock Car:  Bengt Ljungdahl | ||
| Pro Stock Modified: Jimmy Ålund | ||
| Series | Champion | Refer |
|---|---|---|
| FIA Intercontinental Drifting Cup |  Georgy Chivchyan | 2018 FIA Intercontinental Drifting Cup |
| British Drift Championship |  Duane McKeever | 2018 British Drift Championship |
| Pro-Am: Lee Scott | ||
| D1 Grand Prix |  Masashi Yokoi | 2018 D1 Grand Prix series |
| D1 Lights: Junya Ishikawa | ||
| D1NZ | Cole Armstrong | 2018 D1NZ season |
| Pro-Sport: Liam Burke | ||
| Formula D |  James Deane | 2018 Formula D season |
| PROSPEC: Travis Reeder | ||
| Manufacturers: Nissan | ||
| Tire Cup: Falken | ||
| Formula DRIFT Japan | "Mad" Mike Whiddett | 2018 Formula DRIFT Japan |
| Drift Masters | James Deane | 2018 Drift Masters |
| Nations Cup: Ireland | ||
| Series | Driver | Season article |
|---|---|---|
| CIK-FIA Karting World Championship | OK:  Lorenzo Travisanutto | |
OKJ:  Victor Bernier | ||
| KZ: Patrik Hájek | ||
| KZ2: Matteo Viganò | ||
| CIK-FIA Karting Academy Trophy |  Mari Boya | 2018 CIK-FIA Karting Academy Trophy |
| CIK-FIA Karting European Championship | OK: Hannes Janker | |
OK-J:  Paul Aron | ||
KZ:  Jorrit Pex | ||
| KZ2: Adrien Renaudin | ||
| WSK Champions Cup | KZ2:  Daniel Vasile | |
OK:  Nicklas Nielsen | ||
| OKJ: Paul Aron | ||
| 60 Mini: Andrea Kimi Antonelli | ||
| Rotax Max Challenge | DD2: Paolo Besancenez | |
DD2 Masters:  Cristiano Morgado | ||
| Senior: Senna van Walstijn | ||
| Junior: Robert de Haan | ||
| Mini: Farin Megger | ||
| Micro: Brent Crews | ||
Nations Cup:  Brazil | ||
| Series | Champion | refer |
|---|---|---|
| FIM Motocross World Championship | Jeffrey Herlings | 2018 FIM Motocross World Championship |
Manufacturers:  KTM | ||
| MX2: Jorge Prado | ||
| MX2 Manufacturers: KTM | ||
| FIM Enduro World Championship | Steve Holcombe | 2018 FIM Enduro World Championship |
| Enduro 1: Brad Freeman | ||
| Enduro 2: Eero Remes | ||
| Enduro 3: Steve Holcombe | ||
Youth Cup:  Ruy Barbosa | ||
| FIM Women's Motocross World Championship | Kiara Fontanesi | 2018 FIM Women's Motocross World Championship |
| Manufacturers: Yamaha | ||
| AMA National Motocross Championship | Eli Tomac | 2018 AMA National Motocross Championship |
| 250cc: Aaron Plessinger | ||
| European Motocross Championship | Mathys Boisrame | 2018 European Motocross Championship |
| Manufacturers: Honda | ||
| EMX125: Thibault Benistant | ||
| EMX125 Manufacturers: KTM | ||
| EMX300: Brad Anderson | ||
| EMX300 Manufacturers: KTM | ||
| EMX85: Camden McLellan | ||
| EMX65: Brando Rispoli |
| Series | Champion | refer |
|---|---|---|
| FIA World Rallycross Championship | Johan Kristoffersson | 2018 FIA World Rallycross Championship |
| Teams: PSRX Volkswagen Sweden | ||
| RX2: Oliver Eriksson | ||
| FIA European Rallycross Championship |  Reinis Nitišs | 2018 FIA European Rallycross Championship |
Super1600:  Rokas Baciuška | ||
TouringCar:  Steve Volders | ||
| Americas Rallycross Championship | Scott Speed | 2018 Americas Rallycross Championship |
| ARX2: Conner Martell | ||
| British Rallycross Championship | Mark Higgins | |
| Series | Champion | refer |
|---|---|---|
| Copa Truck | Roberval Andrade | 2018 Copa Truck season |
| European Truck Racing Championship | Jochen Hahn | 2018 European Truck Racing Championship |
| Teams: Die Bullen von Iveco Magirus | ||
| Grammer Truck Cup: Shane Brereton | ||
| New Zealand Super Truck Championship | Alex Little | 2017–18 New Zealand Super Truck Championship |
| NZ V8 Ute Racing Series | Richard Moore [14] | 2017–18 NZ V8 Ute Racing Series |
| Stadium Super Trucks |  Matthew Brabham | 2018 Stadium Super Trucks Series |
| SuperUtes Series | Ryal Harris | 2018 SuperUtes Series |
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