In the FIA WEC, four different categories of car compete in four separate classes. The LMP1 and LMP2 classes are for purpose-built prototypes, whereas road-related GT cars race in the LMGTE Pro and LMGTE Am categories. Here you can find all the information on each separate class at a glance.
Note: This page is still based on the information for the 2019/2020 season. As soon as the final regulations for 2021 have been published, we will adjust this information accordingly.
Special features
- All factory-entered vehicles must have a hybrid power unit.
- Only closed-cockpit cars are permitted in LMP1
- Hybrid cars must have been homologated (officially approved for the relevant classes) on or after 1 January 2018
- Non-hybrid cars must have been homologated on or after 1 January 2014.
Minimum weight
- Works teams = 878 kg
- Privateers = 833 kg
Fuel capacity
Works teams:
- Petrol: 62.5 litres
- Diesel: 49.9 litres
Privateers:
- Petrol: 67.4 litres
- Diesel: 53.7 litres
Engine restrictions
LMP1 cars can be powered by any engine that meets the following minimum requirements:
- Only four-stroke engines with reciprocating pistons are permitted.
- The primary drive must be a petrol or diesel engine.
- Works teams are free to choose any cubic capacity
- Engines in privateer cars may not have a cubic capacity larger than 5,500 cm³.
Car length: Maximum of 4,650 mm, including rear wing.
Car width: Minimum of 1,800 mm, maximum of 1,900mm
Car height: Maximum of 1,050 mm, including tyres and antenna
Wheelbase: The wheelbase can be freely selected but is fixed for the season with the vehicle’s homologation and may not be changed subsequently.
Driver restrictions: Bronze drivers may not be used.
Number panel: All vehicles must have a red number panel with a white number to show which of the classes they are racing in.
Special features:
- All LMP2 cars must have been built by one of the four certified chassis manufacturers.
- All teams must use the spec Gibson engine.
- Only closed-cockpit cars are permitted in the LMP2 class.
- All teams must be independent and may not engage in partnerships or receive support from automotive manufacturers and engine constructors.
- Only cars homologated on or after 1 January 2017 are permitted.
Minimum weight: 930 kg
Fuel capacity: 75 litres
Engine restrictions: Since the 2017 season, all LMP2 competitors must use the spec engine provided for the LMP2 class. Other engines and power units may not be used.
Car length: Maximum of 4,650 mm, including rear wing
Car width: Minimum of 2,000 mm
Car height: Maximum of 1,050 mm, including tyres and antenna
Wheelbase: The wheelbase can be freely selected but is fixed for the season with the vehicle’s homologation and may not be changed subsequently.
Driver restrictions:
- A minimum of two drivers are required in LMP2 but no more than three are permitted per car.
- Each car must contain at least one bronze- or silver-rated driver.
Number panel: All vehicles must have a blue number panel with a white number to show which of the classes they are racing in.
Special features:
- Each team may only enter two cars.
- The road-going version of the car must have been available to buy for at least one year.
- Only GTE vehicles homologated on or after 1 January 2016 may be entered.
Minimum weight: 1,245 kg (excluding drivers and fuel)
Fuel capacity: 90 litres
Engine restrictions:
- Normally aspirated engine: Maximum cubic capacity of 5,500 cm³
- Turbo engine: Maximum cubic capacity of 4,000 cm³
Car width: Maximum of 2,050 mm (not including wing mirrors)
Car length: Maximum of 4,800 mm
Driver restrictions: Each car must have a minimum of two drivers.
Number panel: All vehicles must have a green number panel with a white number to show which of the classes they are racing in.
Special features:
- Each team may only enter two cars.
- The car must have raced in LMGTE Pro for at least one year.
- Only GTE vehicles homologated on or after 1 January 2016 may be entered.
Minimum weight: 1,245 kg (excluding driver and fuel)
Fuel capacity: 90 litres
Engine restrictions:
- Normally aspirated engine: Maximum cubic capacity of 5,500 cm³
- Turbo engine: Maximum cubic capacity of 4,000 cm³
Car width: Maximum of 2,050 mm (not including wing mirrors)
Car length: Maximum of 4,800 mm
Driver restrictions:
- A minimum of two drivers are required in LMGTE Am but no more than three are permitted per car.
- Each team must have at least one bronze- and one bronze- or silver-rated driver.
Number panel: All vehicles must have an orange number panel with a white number to show which of the classes they are racing in.
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