One stops a stone. The other does not.
Everything else in this comparison is a matter of degree — both help with wash marks, both make a panel easier to clean, both look better than bare paint. Only one of them is thick enough to absorb an impact, and that is the difference that decides which one you need.
PPF is a physical layer
Urethane film around 7.4 to 7.8 mil thick, laid over the panels that get hit. A stone lands in the film and spreads its load there instead of reaching the paint.
Coating is a chemical layer
A nano glass membrane measured in microns. It changes how the surface behaves — gloss, water, dirt, UV — but there is no thickness there to take an impact.
They are not competing for the same job
Which is why the usual answer is film on the front and coating over the rest, and why we quote both in the same conversation rather than asking you to choose.
What each one actually does
Read the first row first. If a stone chip is the thing you are trying to prevent, the rest of the table is detail.
| What you are worried about | Ceramic coating | Paint protection film |
|---|---|---|
| A stone off the motorway | No. A coating is a few microns thick and cannot absorb an impact | Yes. This is the whole reason film exists |
| Swirl marks from washing | Yes — the membrane wears instead of the clear coat | Yes, and the film closes them again on its own |
| Bug splatter and bird mess | Buys you time. It still has to come off promptly | Buys you more time, and the etch lands in film you can replace |
| Gloss and depth | This is what it is built for | Keeps the gloss it covers. Can also change it — matte or colour |
| Easier washing | Yes. Water sheets off and dirt has less to key into | Somewhat, and less than a coating |
| Where it goes | Every painted panel, and the glass if you want it | The panels that take impact — bonnet, bumper, mirrors, guards |
| Cost | Quoted on the car. Lower than film for the same coverage | From $1,200 for a bonnet; $2,700 full front |
| Coming off later | Wears down over time and is renewed | Peels off with the factory paint underneath still original |
Swipe sideways to see the whole table.
Five situations, five answers
Not every car needs both. Two of these five have an honest answer of "just the one".
A new car you will keep
Film on the front, coating over everything. This is the combination the pair is designed around, and a new car is the cheapest time to do it because there is nothing to correct first.
Motorway commuting, gravel, or a long daily run
Film first, and coating only if you want it. At this mileage the stone-chip row is the only row that matters, and no coating changes it.
A garaged car that does short town trips
A coating on its own is a defensible answer here. The damage this car actually gets is wash marks and fallout, and that is the row a coating wins.
A lease or a car you will sell in three years
Film on the impact panels. The argument is resale: the paint underneath stays original, and the film comes off before you hand it back.
Paint that is already chipped
Neither, yet. Film over a chip locks the chip in and a coating seals it under glass. Correction first, then the decision — which is why this is worth asking before the damage, not after.
Questions we get on this one
If I can only afford one, which?
Depends on the kilometres. A car doing motorway distance should have film on the front — that is where the money stops damage rather than delays it. A garaged car doing short trips gets more out of a coating, because the wear it actually sees is washing rather than stones.
Can you put a coating over film?
Yes, and it is the normal way to do both. The coating goes over the film on the panels that have it and over the paint everywhere else, so the whole car behaves the same at the wash.
Is a coating just an expensive wax?
No. A wax sits on the surface and washes off over weeks. A coating cures into a membrane that stays. But it is still microns thick, so the honest limit is the same — it will not stop a stone, and anyone telling you otherwise is selling.
The dealer offered paint protection. Is that this?
Usually it is a sealant or a coating, not film. That is not a criticism of it — it just means you have the coating half of this page and none of the film half. Worth asking exactly which product it is before assuming your paint is covered for chips.
Does film go yellow and ruin the paint?
Old film did. The TrackDay range is warranted ten years against yellowing, cracking, peeling and delamination, and it comes off leaving the factory paint original — which is the reason it holds resale rather than costing it.
Which lasts longer?
Film, and it is not close — it carries a ten-year warranty. A coating is renewed periodically, and how often depends on the product, the car and how it is washed, which is why your branch quotes it on the car rather than off a table.