The2018 LMP3 Cup Championship was the second season for theBritish LMP3 Cup. The calendar was announced on 10 November 2017,^[1] with the same venues as the previous year, but in a different order. The series finale was held atSilverstone, one month later than in 2017.

Michelin supplied the tyres, a change fromPirelli in 2017,^[2] and French manufacturerNorma campaigned anM30 chassis, the first non-Ligier JS P3 in the series.^[3]

Team	Chassis	Engine	No	Driver(s)	Rounds	Class
Écurie Écosse /Nielsen Racing	Ligier JS P3	Nissan VK50VE	1	Colin Noble[4]	All	LMP3
				Tony Wells[4]	All
			7	Christian Olsen[5]	1, 6	LMP3
				Nick Adcock	6
Red River Sport	Ligier JS P3	Nissan VK50VE	2	Johnny Mowlem	1–4, 6	LMP3
				Bonamy Grimes	1–4, 6
Mectech Motorsport	Norma M30	Nissan VK50VE	21	Bradley Smith	All	LMP3
				Duncan Williams	All
360 Racing	Ligier JS P3	Nissan VK50VE	23	Jason Rishover	1–2	LMP3
				Jamie Spence	1–2
United Autosports	Ligier JS P4	Ford 3.7LV6Supercharged	32	Charlie Hollings	1	PT4
				Andrew Bentley	1
Speedworks Motorsport	Ligier JS P3	Nissan VK50VE	96	Jack Butel	All	LMP3
				Dominic Paul	All

Round		Circuit	Date	Pole position	Winners
1	R1	Donington Park (National Circuit,Leicestershire)	21–22 April	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells	No. 7Ecurie Ecosse/Nielsen Racing Christian Olsen
	R2			No. 21 Mectech Motorsport Bradley Smith Duncan Williams	No. 21 Mectech Motorsport Bradley Smith Duncan Williams
2	R4	Brands Hatch (Grand Prix Circuit,Kent)	19–20 May	No. 21 Mectech Motorsport Bradley Smith Duncan Williams	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells
	R5			No. 21 Mectech Motorsport Bradley Smith Duncan Williams	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells
3	R5	Spa Francochamps (Stavelot,Belgium)	2 June	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells
	R6		3 June	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells	No. 21 Mectech Motorsport Bradley Smith Duncan Williams
4	R7	Snetterton Circuit (300 Circuit,Norfolk)	30 June	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells
	R8		1 July	No. 96Speedworks Motorsport Jack Butel Dominic Paul	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells
5	R9	Donington Park (Grand Prix Circuit,Leicestershire)	8 September	No. 21 Mectech Motorsport Bradley Smith Duncan Williams	No. 21 Mectech Motorsport Bradley Smith Duncan Williams
	R10		9 September	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells	No. 1Ecurie Ecosse/Nielsen Racing Colin Noble Tony Wells
6	R11	Silverstone Circuit (Grand Prix Circuit,Northamptonshire)	13 October	No. 7Ecurie Ecosse/Nielsen Racing Christian Olsen Nick Adcock	No. 21 Mectech Motorsport Bradley Smith Duncan Williams
	R12		14 October	No. 7Ecurie Ecosse/Nielsen Racing Christian Olsen Nick Adcock	No. 21 Mectech Motorsport Bradley Smith Duncan Williams

• Official website

• 2018 in British motorsport