As we completed more than half of the Formula 1 2010 season, teams' reliability are reviewed. The most reliable is Ferrari, they completed [FONT=verdana,arial,helvetica]1471 of 1474 laps[/FONT] in 12 races. Even Red Bull leads both the drivers' and constructors' championships they are 2nd in reliability rankings. Red Bull completed 98 laps down of Ferrari. Ferrari's only DNF was Fernando Alonso's engine failure in Malaysia. Red Bull had 2 accidents and 1 mechanical failure while Mclaren had 1 accident and 2 mechanical failures. Mercedes had only 2 mechanical failures, just like Ferrari their drivers never DNFed because of a crash. Renault is the worst reliable among top teams. Team had 4 mechanical failures and 2 accidents. Among the new teams, HRT is the best reliable. They had 8 DNFs, while Lotus had 9 and Virgin had 11. Even not one of the new teams Sauber had 10 DNFs.