Are you facing engine issues or contemplating a car engine replacement? Naturally, then, you may want to know if replacing the engine can enhance the value of your car.

In this blog post, we’re going to be discussing how important an engine is on a car’s overall value, and what you should consider before making the decision to replace your engine entirely if you think it will benefit you.

  • The impact of an engine replacement on your car’s value
  • What causes engine failure?
  • What are the tell-tale signs of engine failure?
engine of vw golf gti

The impact of engine replacement on car value

If your car engine is damaged or getting on a bit, it’s often a good idea to get it replaced so that it doesn’t start to cause you any further problems. However, this doesn’t necessarily mean that it will add notable value to the car.

This is especially true if the replacement engine is pre-owned or has a history of prior use as it may not have the same longevity as a brand new engine with no wear and tear. In this case, your new engine may have no - or even negative - impact on your car’s value when it comes to selling or trading in.

If you’re replacing your engine with the intention of ultimately increasing your car’s value, then make sure you choose a new or remanufactured engine. These engines have no usage history and offer much better longevity, comparable even to a new car. This can help attract higher offers - in the region of 75% of the original price in some cases.

What causes engine failure?

Before replacing an engine, make sure to find the underlying cause of its failure. This can help you identify what went wrong previously so you can avoid and maintain your engine better in the future. There are several common culprits of engine failure, including:

1. Overheating issues

An engine relies on a precise balance of temperatures for efficient operations. When an engine overheats, it can reduce power and result in incomplete combustion.

2. Timing belt failure

The timing belt controls the synchronised movement of the engine’s components during combustion. If disrupted, this can affect intake and exhaust and lead to sluggish performance.

3. Water contamination

Water can lower the octane rating of the fuel, cause the engine to misfire, corrode fuel lines, and damage the engine altogether.

4. Inappropriate lubrication

When the engine is not lubricated enough, it causes the moving parts such as pistons to work harder, increasing friction, and eventually wear and tear of the engine.

What are some tell-tale signs of engine failure?

If you’re unsure whether your engine is the cause of your car’s problems, there are some easy ways to know for sure. Keep an eye out for the following when trying to troubleshoot any potential engine faults:

  • Rust, discoloured oil, and oil foam on the dipstick
  • Contaminants on the rockers underneath the oil cap
  • Rust/contaminant build-up on spark plugs and thermostat housing
  • The motor not spinning freely when the crank pulley is spun

So, what’s the verdict?

Your car’s engine is a crucial component of determining its overall performance. It’s important, then, to make sure you have all the correct info before going into getting a replacement as this can affect the speed of the replacement process.

When it comes to the value of a car and its engine, getting a new replacement engine with little to no prior mileage certainly won’t hurt your car’s resale value. Whereas replacing your engine with a pre-owned, already slightly worn down one may serve to only exacerbate your problems for longer.

Want the best value for your car?

Then why not just sell your car with Sell 2 Swansway?

If it’s value you seek, Sell 2 Swansway is here to make the selling process quicker and easier than ever before. With a 7 day guaranteed quote, free collection and instant payment straight to your account, you won’t find a more hassle-free selling experience than with us.



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