German Schumacher displayed his dominance with a demolition of his rivals as he started from pole position and led every lap to claim his 82nd career win and hand Ferrari their sixth consecutive constructors' title.

"To win in this style was great and to clinch the constructors' championship is very important," said Schumacher, a six-time world champion.

"Everyone in the team deserves this win. It is just so perfect, outstanding.

"Inside the car there was more work going on than it may have looked. The circuit is demanding and it is not easy.

"A lot of lapping was going on even if a couple of guys did not respect that very well. Hungary is a difficult track to pass or work your way through, but I am very happy for the team today."

Brazilian Rubens Barrichello followed him home to secure Ferrari's seventh one-two finish of the season and extend their points haul to an unreachable 202 as closest rivals Renault managed only third with Spaniard Fernando Alonso.

"I had a good start and I think the rain cleaned it off a little bit on my side," said Barrichello. "But it was hard to chase Michael or overtake him because I had to defend myself.

Schumacher has outclassed Barrichello this season and can take his seventh drivers' title with victory at the next race in Belgium after extending his advantage over the Brazilian to 38 points with 50 remaining.

Ferrari's convincing success, on a track expected to give their rivals a good chance of victory, demonstrated their astonishing advantage but the dull race left Formula One still needing to take a close look in the mirror.

The Italian team's dominance was such that they had time to display a pit board with the words "World Number 1" in yellow letters as Schumacher crossed the line victorious.

Behind the scarlet steamroller Alonso drove a lonely race to claim his fourth podium finish of the season while Colombian Juan Pablo Montoya, in the revised Williams, finished fourth.

"It was a good start but I was blocked a little bit by Sato and had to lift up," said Alonso. "I lost second place because of that as I was very close to Rubens.

"After that there was not much chance of chasing the race."

BAR-Honda duo Jenson Button and Takuma Sato finished fifth and sixth respectively to push the team one point closer to Renault in the chase for second place in the constructors' championship.

Antonio Pizzonia, in his second race for Williams as a replacement for the injured Ralf Schumacher, claimed his second successive seventh place and Italian Giancarlo Fisichella secured the final point for Sauber in eighth.

The race was virtually decided by the first corner when Schumacher led comfortably from pole and Barrichello held off the fast-starting Alonso to keep hold of second.

Montoya made a strong start to move up three places to fourth ahead of fifth-placed Button while Sato was the biggest position loser as he dropped from third to eighth.

Trulli gained three places to move up to sixth and Finn Kimi Raikkonen moved up from tenth to seventh in his McLaren as home hope Zsolt Baumgartner slotted onto the back of the field after starting from the pitlane in his Minardi.

In the middle of the pack Brazilian Ricardo Zonta, making his race debut for Toyota after the team dropped countryman Cristiano da Matta, was knocked into a spin in the melee and dropped to the back.

Alonso was the first driver to stop, at the end of lap nine, Barrichello followed on the next lap and Schumacher, after setting several fastest race laps, stopped at the end of lap 11.

Raikkonen's race ended at the end of lap 14 when he pulled into the pits to retire for the second race in succession, the seventh time his race has ended early this season.

Once the first stops were over, on lap 17, Schumacher's advantage over Barrichello was 6.8 secs and he held a lead of 20.3 secs over third-placed Alonso.

But the Ferrari mechanics were kept busy as Schumacher continued in the lead when they were forced to work on a fuel hose that appeared to be faulty before their cars came in for their second stops.

But whatever problem Ferrari had was solved by the time their two cars came in for their second stops and by lap 35 Schumacher led Barrichello by 9.9 secs with an already unassailable lead over third-placed Alonso.