Why Do Diesel Engines Last Longer Than Petrol (Gasoline) Engines?

Published 2021-08-03
The engine is a vehicle’s main source of power and burns fuel to produce mechanical power. You’ll be aware of Diesel fuel for engines as well as gasoline or petrol. But Do You know? That a Diesel engine lasts longer than a Gasoline engine.

Today we will look at why diesel engines last longer than gasoline or petrol engines.

Diesel engines are a great example of engineering capability. Heavy Vehicles including trucks and trains need higher power for a quick ignition spark.

So, in such types of vehicles, slow combusting diesel has proven ideal as it is a more efficient fuel.
A gasoline car engine can normally run for around 200,000 miles then it needs a serious overhaul or maybe you’ll just need a new vehicle.

While in the case of diesel engines, they could continuously run for around 1,000,000 to 1,500,000 miles before needing any major repair work.

You’ll be amazed to know that a well-maintained diesel engine can remain on the road for more than 30 years.

#engine #petrolvsdiesel

All Comments (21)
  • @Dmxravin
    Never seen so much nonsense and dulled down information from a channel that has ‘engineering’ in its name. One of the main reason Diesel engine survive longer to some extent is that diesel in itself is an oil which lubricates the upper part of the piston. Compared to petrol which is more like a detergent. This is the only difference. There’s gear and driven oil pumps in petrol cars too.
  • Still a 1.6 tdi goes 500k+ km while petrols do around max 300... The repairs of DPF can be done at a 4 times lower price than at the official service nowadays, and it will run for another 100k km without any problems.
  • @-Yurkey
    I am not sure if this is true anymore... Petrols are now considered more reliable. Diesels now have DPF's, turbos, adblue, dual mass flywheels and the injectors that were mentioned were always a lot more expensive than spark plugs to replace. Also engine and transmission mounts can be like 500€ a piece to replace because diesels tend to need more insulation from vibration...Well maybe the video is true for old diesel hunks in semis but nowadays buying a used diesel car is much more of a lottery than buying a used petrol (unless it's one od those small displacement turbo petrols, they love to go wrong)
  • @stevemamula179
    Diesel lasting longer then gasoline engine no longer holds true as it once did before emissions regulations forced on diesel engine manufactures by government. Diesel tech for over 30 years.
  • 1.000.000 to 1.500.000 miles? I dont really believe that. Every person I know who is driving a diesel engine needed a repair at 200.000 miles because something broke (turbocharger, V-Belt, Injectors,...). My dad drives a Toyota Avensis 1.8 VVT-i which has 240.000 miles on it. He never needed to repair the engine.
  • @awangtaiepalat7308
    Problem is diesel engine relies on fuel injectors and its pretty expensive to replace them compared to spark plugs.
  • @mylifestartsat8k
    sorry to spill the beans but that's a drop of truth in a bucket of lies and misconception. I'm a mechanic, I personally have a diesel turbo for my own reasons. There is nothing that indicates one would last longer than another, design, manufacturer, quality of the finished product, engineering, maintenance, type of use are all factors. I've seen diesels blow up in under 100k miles too often due to poor design and flaws from leading manufacturers. If your statement was factual then petrol/gas engines will cease to exist. No two diesels are the same also goes for gas. I can atomise and correct you on every statement but that would be a very long response. Please speak from experience only not a google search, wiki or some Ai software you used to mislead people who aren't experienced in the automotive industry.
  • @Ima184mm
    I love Diesel and Turbo Charger!
  • @APA2345
    Could be one of Chevy's early duramax engines. GMC didn't start producing diesel engines until the mid 1990's.
  • @abelflorea2376
    The main reason diesel engine survive longer is because petrol engine efficiency is at higher temperatures and higher revs which this leads to parts failing such as gaskets and hoses
  • @nairamdiam
    Naturaly aspirated diesels are the best. They lack power at low revs, but they generally have better mileage and are much more durable. For example - 1.9 SDI. A little weak at low revs, but indestructible engine, can maintain 1 milion miles
  • @nickarnup9299
    Correct me if I’m wrong but some of this information in this video is wrong
  • @losteden
    i do DIY and for me is gasiline and LPG more economical than diesel and repair friendly!! diesel to much issues!! dificult to repair!! save in MPG and spend it in shop