Spaniard suffered overheating issues on lap 41 while McLaren team-mate Jenson Button scored team's first points of 2015.
Encouraged that pace was not too dissimilar to the leaders after ending McLaren's wait for points in 2015 with eighth position.
McLaren driver had to lift at the start of final flying lap due to yellow flags and missed out on Q3 by just 0.094s.
Spaniard slowed to a halt in Q2 with suspected electrical issue when an appearance in final qualifying session looked to be on the cards.
Fernando Alonso is hoping to take advantage of the lack of Thursday practice for the Monaco Grand Prix to secure a higher grid slot on Saturday.
Fernando Alonso says the plans laid out by Formula One's Strategy Group last week for the future of the sport are proof F1 has been going in the wrong direction for the last few years.
Said the team would fail to score a point all year after Spanish Grand Prix but puts that down to emotions running high after a frustrating race.
Honda says the difference between a good and bad result for McLaren at Monaco this weekend will depend on the driveability of the car.
Motorsport boss Yasuhisa Arai says Japanese manufacturer is yet to work out the areas which would maximise gains with the nine development tokens available.
Fernando Alonso says his decision to leave Ferrari last year was vindicated by this year's Spanish Grand Prix result.
Spaniard will hand the MP4-30 over to British test driver Oliver Turvey, with Jenson Button completing the test for McLaren on Wednesday.
After the 30 scariest laps of his life, Jenson Button doubts McLaren has what it takes to score points this season.
A tear-off visor appears to be to blame for Fernando Alonso's brake failure at the Spanish Grand Prix, which saw him come close to running over his pit crew and resulted in his retirement.
Fernando Alonso and Jenson Button share different opinion about McLaren's race chances in Spain but are both certain clear progress has been made again.
Says there is no comparison between the car McLaren brought to winter testing in Barcelona and the one it has returned to for this weekend's grand prix.
Fernando Alonso says he was having fun when he spun on his in-lap during second practice for the Spanish Grand Prix.
Thinks there is a chance to move up the pecking order in Spain but expects to see McLaren's rate of progress drop off.
Unexplained accident not playing on Alonso's mind as he returns to Barcelona for his home grand prix.
After a week of intense speculation, McLaren has revealed its new look with a brand new livery ahead of the Spanish Grand Prix.
Team releases trailer for upcoming film "Don't Crack Under Pressure" which features Fernando Alonso driving Senna's dominant 1988 title-winning car.
Honda chief Yasuhisa Arai is confident fixes have been found in both areas as it looks to make a step forward at the Spanish Grand Prix.
McLaren CEO says the Spaniard will be 'front and central' in the team's return to the front and was re-hired because 2007 rift has been consigned to the past.
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