The 1978 World Sportscar Championship season was the 26th season of FIA World Sportscar Championship motor racing. It featured the 1978 World Championship for Makes, which was contested from 4 February to 3 September 1978 over an eight race series. The 24 Hours of Daytona and the 1000 km Nürburgring were part of the inaugural FIA World Challenge for Endurance Drivers.[1]
The championship was open to cars in Groups 1 to 5,[2] i.e.:
Porsche was awarded the overall championship [5] and the Division 2 title for cars with an engine capacity of over 2 litres.[6] BMW was awarded the Division 1 title for cars with an engine capacity of up to 2 litres [6] and Porsche won the GT Cup.[6]
| Rnd | Race name | Circuit | Date | |
|---|---|---|---|---|
| 1 |  24 Hours of Daytona | Daytona International Speedway | 4 February 5 February | |
| 2 |  6 Hours of Mugello | Mugello Circuit | 19 March | |
| 3 |  6 Hours of Dijon | Dijon-Prenois | 16 April | |
| 4 |  6 Hours of Silverstone | Silverstone Circuit | 14 May | |
| 5 |  1000km Nürburgring | Nürburgring | 28 May | |
| 6 | Misano 6 Hours | Misano Circuit | 25 June | |
| 7 | Watkins Glen 6 Hours | Watkins Glen International | 8 July | |
| 8 | 6 Hours of Vallelunga | Vallelunga | 3 September |
Points were awarded to the top 10 finishers in each division on a 20-15-12-10-8-6-4-3-2-1 basis. Manufacturers were only allocated points for their highest finishing car with no points awarded for positions filled by any other car from that manufacturer.
Only the best six points finishes could be retained towards the championship, with any other points earned not included in the total.[6]
The overall championship was awarded to the winner of Division 2 (Over 2000cc),[5] Porsche thus scoring their third straight World Championship for Makes victory.
| Position | Manufacturer | Total | |
| 1 | BMW | 120 | |
| 2 | Porsche | 12 | |
| 3 | Fiat | 10 | |
| 4 | Alpine | 8 | |
| 5 | Volkswagen | 6 | |
| 6 | Ford | 4 |
| Position | Manufacturer | Total | |
| 1 | Porsche | 120 | |
| 2 | De Tomaso | 8 | |
| 3 | Chevrolet | 4 | |
| 4 | Ferrari | 3 | |
| = | Lancia | 3 |
| Position | Manufacturer | Total | |
| 1 | Porsche | 115 | |
| 2 | Lancia | 20 | |
| = | Chevrolet | 20 | |
| 4 | 10 | ||
| 5 | Alpine | 8 |
Angelo Pallavicini 
#53 
Preben Kristoffersen