Cheaper or more cheaply

[Honiggirl]

Can you please tell me the difference between these two sentences (or if one of them is wrong)?

Ace's Garage can fix my car cheaper than the
others.
Ace's Garage can fix my car more cheaply than the others.

 

[aceofpace]

Both are okay I guess but I prefer the second one. No difference in meaning.

 

[Linkway]

In general, use "cheaper" when you need an adjective (to modify a noun) and "more cheaply" when you need an adverb (to modify a verb).

This car is cheaper than that one.

You can fly from London to Berlin more cheaply than to Buenos Aires.

 

[Honiggirl]

In general, use "cheaper" when you need an adjective (to modify a noun) and "more cheaply" when you need an adverb (to modify a verb).

This car is cheaper than that one.

You can fly from London to Berlin more cheaply than to Buenos Aires.

So it'll be grammatically correct to use the second option as the verb fix is the one being affected, am I right?

 

[GreenWhiteBlue]

Yes. If you are following the rules of old-fashioned, prescriptive grammarians, "cheaper" is not OK, but is instead incorrect, and the only correct choice is "more cheaply." The only way "cheaper" could be correct would be if you were saying that your car lost value (and was now "cheaper") as a result of being fixed.