The 2026 F1 constructors’ championship had two very different faces inside the Mercedes garage on Sunday. Kimi Antonelli made one stop, controlled the race and won in Austin. George Russell finished eighth, stuck behind Oscar Piastri and searching for the pace his teammate had found.
That contrast tells us more than any rumoured wind tunnel breakthrough.
Antonelli stretched his medium tyres before switching to hards and carrying them to the flag. Charles Leclerc chased on a two-stop strategy, finishing 13.078 seconds behind, according to Formula 1’s official race results. Ferrari had brought upgrades and genuine speed to Texas. Mercedes still supplied the winner.
The championship arithmetic now weighs heavily against Maranello: Mercedes leads Ferrari 607–474, a 133-point advantage in Formula 1’s official standings after Austin.
Wind tunnel numbers might explain where the next improvement comes from. They cannot erase that deficit by themselves. Ferrari needs gains that survive qualifying, tyre degradation and traffic, then deliver points from both cars.
Mercedes needs fewer things to go wrong. Russell’s afternoon showed that enough still can.
Austin exposed the difference
Ferrari gave its supporters plenty to believe in before the race. Formula 1’s weekend coverage recorded Leclerc leading both Friday practice sessions and Lewis Hamilton topping the final session on Saturday. When qualifying demanded the quickest lap, Antonelli took pole while the Ferraris settled for fourth and fifth.
Sunday sharpened that distinction. Antonelli built his race around a long opening stint and one visit to the pits. Ferrari pursued a different route, using fresher tyres to attack later.
Leclerc’s second place showed the Ferrari could race. Antonelli’s victory showed Mercedes could make its speed last.
Neither result proves which team owns the better wind tunnel model. A one-stop strategy depends on more than aerodynamics, including tyre preparation, track position and the driver’s management. The useful conclusion concerns the complete package: Mercedes turned its opportunity into a win.
For the title race, that distinction carries a brutal consequence. Ferrari can make progress and still run out of races.
The Scuderia outscored Mercedes by one point in Austin, collecting 30 against 29. That calculation, drawn from the official finishing positions, captures its problem perfectly. Second and fourth beat first and eighth, but such a narrow gain barely touches the championship deficit.
Russell leaves the door open
Russell’s race deserves more than a vague reference to an uncomfortable car. He received a five-second penalty for leaving the track and gaining an advantage while fighting Piastri on the opening lap. The penalty helped put him behind the McLaren after their stops.
His problems extended beyond those five seconds. In his post-race comments published by Formula 1, Russell described struggling during the opening stint on mediums. He felt stronger after changing tyres, then could not pass Piastri. Afterwards, he admitted he did not understand the missing pace.
That account does not establish snap oversteer, a particular aerodynamic fault or destroyed tyres. Naming one would invent an explanation the driver himself could not provide.
It does establish Mercedes’ immediate concern. Antonelli could control the afternoon; Russell could not recover enough places to protect the team from Ferrari’s combined score.
The constructors battle rewards both garages. Mercedes has room to absorb an eighth place because it built a substantial lead. Repeated afternoons like this would make that cushion considerably less comfortable.
Ferrari’s opening involves more than catching Antonelli. It must keep both cars close enough to exploit every weak Mercedes result.
The wind tunnel mirage
Inside the tunnel, engineers can change a model’s ride height, adjust its attitude and measure how air loads its surfaces. Beside the track, those findings face a much less cooperative test.
Under current FIA aerodynamic testing rules, the baseline allowance per testing period covers 320 runs and 80 wind-on hours. The sliding scale grants the leader 70% of that allowance and teams tenth or lower 115%: 224 runs against 368. Those figures describe access, not performance. An extra run can uncover speed, expose a mistake or confirm that an idea deserves the bin.
There is no comparable public set of Mercedes and Ferrari aerodynamic maps behind this championship prediction. Claims that one team has found a decisive advantage in private testing need evidence beyond an impressive percentage.
COTA supplies a useful way to understand the challenge. Braking hard into Turn 1 loads the front of the car. Changing direction through the Esses asks it to maintain balance as the driver moves rapidly between steering inputs. An unwanted slide there scrubs rubber across the abrasive asphalt, building heat with every correction.
A floor that looks excellent at one test condition must still help through those changes. Watch for corrections through the Esses, then ask whether the driver can repeat the lap without abusing the tyres.
That is where correlation earns its value. Engineers need the car on the tarmac to respond as their factory measurements predicted.
The 2026 active aerodynamics add another demand. As Formula 1’s technical guide explains, adjustable front and rear wings change configuration between corners and designated straights. Engineers must judge cornering grip alongside straight-line drag, with energy deployment and recharge management adding further demands.
A single downforce figure cannot settle all those questions.
Ferrari needs speed it can use
Hamilton supplied a concrete example of the gap between a promising package and a satisfying race. Speaking to Formula 1 after finishing fourth, he explained that starting on used tyres had contributed to greater opening-stint degradation. Balance remained his greatest difficulty.
Leclerc found enough pace to finish second. Hamilton came home fourth, leaving Ferrari with a strong combined result and another weekend of work to understand.
For Ferrari, the next useful breakthrough would make that performance easier to reach across both cars. More grip helps only if the drivers can trust it when braking, turning and accelerating on ageing tyres.
Aston Martin offers a brief warning against putting too much faith in facilities. Its new tunnel began operating in March 2025 to support its 2026 push; after Austin, the team sits tenth with seven points. That does not diagnose its problems, but it shows why infrastructure alone cannot support a title prediction.
Ferrari’s immediate test remains the Mercedes ahead of it. The championship will not wait for Maranello to solve each problem in sequence. Both drivers need qualifying position, race pace and clean execution together.
Mercedes has earned the pick
Mercedes remains my pick for the 2026 F1 constructors championship, with Ferrari the strongest challenger. Austin reinforced that judgement without making the outcome certain.
Antonelli delivered the result Mercedes needed. Russell exposed the weakness Ferrari must keep attacking. Between those two afternoons lies the remaining contest: can Maranello repeatedly beat Mercedes with its combined score while also challenging for victories?
Ferrari cannot afford many more weekends when progress brings only a tiny reduction in the deficit. Its engineers need upgrades that help Hamilton and Leclerc attack from better starting positions. The pit wall must turn that speed into results before another opportunity disappears.
Mercedes has a more manageable task. It needs to understand Russell’s missing pace, preserve reliability and keep giving Antonelli a car he can exploit. A retirement or first-lap collision could still inflict serious damage, especially if Ferrari places both cars near the front.
The championship demands a firmer distinction between a favourite and a certainty. Mercedes has earned the former. Declaring the title locked would dismiss the very weakness its second car revealed in Texas.
The next persuasive piece of aerodynamic evidence will arrive under braking, through a fast change of direction or late in a stint. Ferrari needs its drivers to feel the improvement there.
Then it needs Mercedes to see the difference on the timing screen.
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FAQs
Who is the favourite to win the 2026 F1 Constructors’ Championship?
Mercedes remains the article’s pick after Austin. It leads Ferrari by 133 points, although Russell’s struggles show the team still has weaknesses.
Can wind tunnel data predict which F1 team will win?
Wind tunnel data helps teams develop their cars. Public testing allowances cannot show which team will gain the most speed or score the most points.
How much wind tunnel testing do F1 teams get?
The baseline allows 320 runs and 80 wind-on hours per testing period. Championship position determines each team’s share, from 70% to 115%.
Why did George Russell finish eighth in Austin?
Russell received a five-second penalty, struggled on medium tyres, and later couldn’t pass Oscar Piastri. He admitted he didn’t understand where his pace was.
Did Ferrari outscore Mercedes at the United States Grand Prix?
Yes. Leclerc’s second place and Hamilton’s fourth earned Ferrari 30 points. Antonelli’s win and Russell’s eighth gave Mercedes 29.
