Mercedes' Lewis Hamilton and Nico Rosberg sped away to their fourth straight one-two finish at the Spanish Grand Prix on Sunday in a dominant performance that does not bode well for the rest of the Formula One field.

Hamilton took off from pole position and stayed ahead of Rosberg - despite the German closing to less than a second in a tense final lap - to record a fourth consecutive victory and move ahead of his team-mate in the overall standings.

F1 world championship standings (Amended after round 5 of 19)

1 Lewis Hamilton (GREAT BRITAIN) - Mercedes - 100 points
2 Nico Rosberg (GERMANY)- Mercedes - 97 points
3 Fernando Alonso (SPAIN)- Ferrari - 49 points
4 Sebastian Vettel (GERMANY)- Red Bull - 45 points
5 Daniel Ricciardo (AUSTRALIA)- Red Bull - 39 points
6 Nico Hulkenberg (GERMANY)- Force India - 37 points
7 Valtteri Bottas (FINLAND)- Williams - 34 points
8 Jenson Button (GREAT BRITAIN)- McLaren - 23 points
9 Kevin Magnussen (DENMARK)- McLaren - 20 points
10 Sergio Perez (MEXICO) - Force India - 20 points
11 Kimi Raikkonen (FINLAND)- Ferrari - 17 points
12 Felipe Massa (BRAZIL)- Williams - 12 points
13 Romain Grosjean (FRANCE)- Lotus - 4 points
14 Jean-Eric Vergne (FRANCE)- Toro Rosso - 4 points
15 Daniil Kvyat (RUSSIA)- Toro Rosso - 4 points
16 Adrian Sutil (GERMANY)- Sauber - 0 points
17 Esteban Gutierrez (MEXICO)- Sauber - 0 points
18 Max Chilton (GREAT BRITAIN) - Marussia - 0 points
19 Kimi Kobayashi (JAPAN) - Caterham - 0 points
20 Pastor Maldonado (VENEZUELA) - Lotus - 0 points
21 Marcus Ericsson (SWEDEN) - Caterham - 0 points
22 Jules Bianchi (FRANCE) - Marussia - 0 points

Constructors:

1 Mercedes, 197 points
2 Red Bull, 84 points
3 Ferrari, 66 points
4 Force India, 57 points
5 Williams, 46 points
6 McLaren, 43 points
7 Toro Rosso, 8 points
8 Lotus, 4 points
9 Sauber, 0 points
10 Marussia, 0 points
11 Caterham, 0 points