Formula One expert Marc Surer understands why Alpine wanted to give Fernando Alonso only a one-year contract and not a multi-year contract like the Spaniard recently signed with Aston Martin. On Monday it was announced that Alonso will make the switch from Alpine to Aston Martin next winter. At Aston Martin, Alonso will succeed Sebastian Vettel. The four-time world champion announced late last week that he is leaving Formula 1 after fifteen years. The German analyst believes that Alonso does not have much time left in the premier class of motor sport, despite his multi-year contract."The clock is ticking for Alonso. He might be able to continue in this form for another year or two. I'm sure that will wear off at some point," Surer explained in a new video on Formel1.de's YouTube channel Effort and experience "I think a driver loses a few hundredths of a second a year, but he compensates for that with his effort and experience. Still, sooner or later it will have an effect. Especially in qualifying, when pure time really counts," Surer suspects. He thinks a one-year contract with an option might have been "not enough" for the 41-year-old, as Alonso himself realises:"The older he gets, the less likely he is to drive for another team." Secondly, the analyst says Alpine is stagnant."Compared to last year, they are stagnant. It's not as if they're on the rise now. And at least at Aston Martin there is hope that with the new people there will be an upward trend." World Cup not possible for Alonso at Aston Martin But even if Aston Martin does make progress, Surer doesn't believe the team has a chance of becoming world champions by the end of 2025. Alonso will be 44 years old by then:"He has seen with other teams how long it takes to get up. No, he won't be able to do that with Aston Martin."