Vellum Venom Vignette: Mid-engine supercar DLO FAIL?

Sajeev Mehta

Like cheating on a midterm, a car design studio’s DLO FAIL is a shameful display which rarely gets its comeuppance. Except when we call it out on Vellum Venom. So here’s a quickie definition for those needing to catch up: DLO FAIL is when a styling team designs a daylight opening (i.e. the outline of glass on a vehicle’s greenhouse) that cannot make production, forcing a glass panel to become an opaque plastic “cheater” panel.

Even worse, these bush league shenanigans also take place in the upper echelons of automotive design studios with shocking frequency. Brazen as Enron’s scandalous deeds, I tell you! (Minus the massive loss of resulting wealth across society, of course.)

No matter the price point, DLO FAIL often manifests as a black plastic triangle at the corner of a car’s DLO/greenhouse, witnessed here in the front (A-pillar) of the Impala-cum-Cadillac XTS and the rear (C-pillar) of Toyota’s absolutely horrid re-skinning of the XV50-generation Camry. But let’s get back to the issue at hand: high-end performance vehicles stooping to the same shameful cheats you’d find in your next Uber.

McLaren Senna DLO FAIL
McLaren Senna Sajeev Mehta

Take for example, the McLaren Senna‘s huge black plastic triangle of FAIL. (Yes, you must use all capital letters because this is the Internet.) Perhaps this hypercar’s seven-figure price tag means that a black filler panel due east of the door glass is actually made of carbon fiber, except it really doesn’t look or feel like it.

Yeah, that’s believable. Sajeev Mehta

The Senna’s DLO FAIL is large enough—visually speaking—to have its own gravitational pull, but the 2017-up Ford GT (above) sports a little black plastic triangle of FAIL. It’s a poor showing, even if those in the know remind us that the triangle doubles as a door unlock/lock display. It’s still a cheap implementation, plastered on what is the most extravagant of all Ford products.

2020 Corvette side
Come on Corvette, you can do better. Sajeev Mehta

That other Michigan-based provider of high performance, mid-engine super cars also commits the same mistake, but perhaps it (and the spider web of unnecessary lines extending outward) is acceptable at the C8 Corvette‘s far more affordable asking price. Or not.

Ferrari 488 Pista Sajeev Mehta

The Ferrari 488 Pista was impresses elsewhere on its coachwork, but special kudos goes to the team in Maranello for choosing a window pane behind the door instead of a silly little slice of black plastic. Too bad that past performance doesn’t guarantee … how does that saying go? 

Ferrari SF90 DLO FAIL
SF90 … DLO FAIL! Sajeev Mehta

Oh dear. Apparently $511,050 gets you a very, verrrry impressive Ferrari SF90, with a little bit of useless plastic to fake the DLO’s flowing lines. Too bad about that, as the rest of the SF90 is all you’d expect from an Italian exotic. (More to come on that soon, I promise.)

2012 Ford Fiesta DLO FAIL DLO WINFordan

I know: It is really hard to take up the slack after Ford killed off the Fiesta. But if any vehicle class can have that bit ‘o glass, it should be the mid-engine supercar cohort. They are the design heroes we need, now and forever.

Thank you all for reading, I hope you have a lovely weekend.


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