4D vs 4D gel plates: which should you buy?
Plate Guides · 3 September 2026 · 4 min read
Same laser-cut acrylic letter underneath, with or without a gel dome on top. It's a £25 difference on a pair. Here's what the gel adds, what it doesn't, and who should pay for it.
They start the same
Every 4D plate we make begins with characters laser-cut from solid black acrylic, 3 mm or 5 mm thick, bonded one at a time onto a printed, reflective plate. A 4D gel plate is that exact plate with one more step: a clear resin is dosed over the top of each acrylic letter and left to cure into a glossy dome.
So the question isn't "which technology", it's "do you want the gloss on top". Everything below follows from that.
What the gel changes
The top surface. Plain 4D has a flat, matt-ish black top with a crisp edge. 4D gel has a rounded, glass-like top that catches highlights. In sun or under street lights the gel version sparkles; the plain version reads as a clean silhouette.
The edge. Both keep the sharp acrylic edge and the hard shadow line at the base, which is the thing that makes 4D look like 4D. On the gel version the dome softens the very top of that edge, so the letter looks a touch fuller.
The height. Add roughly a millimetre and a half of resin to the acrylic. On a 5 mm letter the gel version is the most three-dimensional plate we make.
What it doesn't change
Legality: both are road legal when made to BS AU 145e. Fitting: both want pads rather than screws. Cameras and MOT: identical. Durability: the acrylic underneath is the same, and modern resin doesn't yellow, so both last longer than the print on the plate. Cleaning: both are wipe-and-go, but don't hold a jet wash on either.
Price
| Pair | 3 mm | 5 mm |
|---|---|---|
| 4D acrylic | £34.99 | £44.99 |
| 4D gel | £59.99 | £69.99 |
The £25 is the resin work: a second hand-finished process on every character, and a second cure. There's no other difference in materials.
Who should pay for the gel
Pay for it if the car is the kind that gets photographed, you like a glossy finish over a matt one, or you've had gel plates before and miss the look. On a dark car under lights, 4D gel is the finish people stop and look at.
Skip it if you prefer a sharper, quieter look, the car is a daily that lives outside, or you'd rather put the £25 towards 5 mm letters, which make a bigger visual difference than the dome does on most cars.
Undecided? Type your registration into the builder and switch between the two. The camera moves in on the letters when you change finish, so you can see the top surface up close before you decide.