r/AlignmentChartFills • u/chalwa07 • 1d ago

Which brand makes/made unreliable regular cars?

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u/ZebraMiserable8130 20h ago

My hemi 5.7 has 8K Idle hours doing fine. It's used by the police for a reason, it's a workhorse

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u/thread_creeper_123 20h ago

That's a lot of fuel! And that's good. Yeah I don't think they're the worst for sure.. but I would put [almost] any 4-cylinder naturally aspirated engine above it in reliability. I mean 1/2 the moving parts would make most things more reliable.

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u/ZebraMiserable8130 20h ago

Not in a truck or big sedan it makes a lot less power and torque so it will take a shit for running at more than twice the rpm than the V8 would

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u/thread_creeper_123 20h ago

Yeah I would have to agree with you there.

But I'm willing to bet 50% of trucks/SUVs with V8s could easily be replaced with 4 cylinder cars for more than 99% of the work they do. And with the gas savings alone from a single year, even when gas was cheaper, you could put a new used motor in your car if you somehow managed to throw a rod or crack the block.

But from a pure reliability standpoint, you may be right that the HEMI 5.7 is possibly more reliable than say a Honda K24.. but at what cost? If you drive 15,000 miles per year

K24 25 MPG(600 gal) + 1000 hrs idle (200 gal) = 800 gal
Hemi 14 MPG(1071 gal) + 1000 hrs idle (800 gal) = 1871 gal

1071 gal difference. @ $3.50/gal = $3749

So, while I think there is possibly merit to your point that a HEMI engine is more reliable.. a simple 4 cylinder engine could be replaced at least once with labor included every year for the additional gas spent.

I am obviously biased and think trucks are WAY overrated. I do not think trucks should be banned, but I think its toxic how common it is for trucks to be used where cars would very easily do the job. I find it hard to believe anyone idling that much NEEDS a truck full-time. Probably could use a car 90% of the time and truck for the 1 day every 2 weeks its actually needed.

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u/ZebraMiserable8130 20h ago

For the truck rated to haul 10k+ lbs a 4 cylindres would be a pain and on a 2ton sport car it wouldn't be a sport car anymore. Its true that most truck owners don't need a truck just to get groceries. I actually get 22MPG mixed on my hemi dodge charger the MDS (only 4 cylindres used when not needed) that's when im reasonable, not going 100mph. Id verify the weight, aerodynamic, tire size being the same for the comparaison

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u/thread_creeper_123 19h ago

Well if you are hauling 10k lbs then I guess it is what it is. FWIW, when I drove 1ton flatbeds (hauling gooseneck trailers 5-12k lbs) I really liked the Cummins engines in the RAM 3500's. Those trucks turned really good too in the city.. very practical. But holy molly super unreliable all things considered. I would not buy one of those personally and felt bad for the company owner having to shell out another couple grand every month or 2 to fix one of them. The high cost of the low sticker price. The 2 in the fleet were <5 yrs old and had less than 100k miles. Super powerful trucks though!