Comments by "Golden Croc" (@GoldenCroc) on "The Volkswagen XL1 was a 250-mpg Bugatti Veyron — Revelations with Jason Cammisa" video.
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@CockatooDude I think you perhaps misunderstood me. I meant that in the case of the XL1, I believe there really wasnt an attempt to have an effective systems engineering process to begin with, hence its not a factor. I guess it depends on what scope and angle you are looking at it from.
I must somewhat object to the whole insight weight comparison that been made in this video and by various commenters such as yourself. The XL1 is much newer, and as such has to contend with a lot more stringent regulations, potentially driving the weight up.
And finally, the carbon tub, hand built nature and price werent really problems per se once the ethos of the car was set in stone, its, (as I said above) just a statement piece and not in any way meant to be a serious production car. Its a concept car made street legal, a pure vanity project through and through. i.e there really isnt a "vs" to begin with when it comes to the design process, in my mind.
The only "vs" might perhaps be in the consumption results, of which there can be little doubt the XL1 is, keeping economical driving in mind, surely quite a lot better. Never heard of any other car of its era that gets a real 100+mpg and potentially 150 or so in a cruise on fuel only from factory.
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You are correct. However, the thing about "modern hybrids" not getting much better mileage than older cars is that the cars are much, much heavier. This is a consequence of what customers and legislation demands. Like for like (same relatively heavy weight), modern cars are much more fuel efficient.
As for this car, it can do mileage no other car can, if driven in a reasonable way. The fuel consumption rating numbers are very suspect, no idea how they got them but they surely its all but a worst case scenario for the XL1 vs a good or even best case for other cars. The XL1 can do a true 150mpg running only on fuel (no EV assistance, depleted battery), this is something no other production car, even the aforementioned insight, can come close to.
So you are indeed correct, but in a way other people are as well, if not for the reason they think they might be.
By the way, I have done 55mpg in my 330hp 3750lbs car (best case scenario, mind, but still)... and its a relic of the early 2000s and not very efficient compared to more modern engines/drivetrains. How? Its a diesel and I know how to drive very economically compared to most people. That does wonders.
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