Garrett Euro Ace 350 Metal Detector VS Garrett ACE 400i Metal Detector

Written by Piotr Lesniewski
Detectorist - Scotland
As an Amazon Associate we earn commission from qualifying purchases. Read our full Affiliate Disclosure.
If someone asked me whether to buy the Garrett Euro Ace 350 metal detector or the Garrett ACE 400i metal detector, I would not start by declaring one brand or spec sheet the winner. I would start by asking where they detect, how patient they are with settings, and whether they want a metal detector that feels easy straight away or one that gives more headroom. These are both familiar Garrett ACE-style metal detectors, but I would not treat them as equal buys in 2026. The Garrett Euro Ace 350 metal detector has older charm, while the Garrett ACE 400i metal detector is the more sensible Garrett field choice.
The Garrett Euro Ace 350 metal detector makes sense when its strengths match your ground and your temperament. The Garrett ACE 400i metal detector makes sense when its advantages solve the problems you actually face in UK fields, parks, beaches, and permissions. This comparison is written the way I would explain it to a friend before they spent real money, with the good bits and the catches kept in the same conversation.
Garrett Euro Ace 350 Metal Detector
I Would Pick This If...
- +You like the older Euro Ace feel and want a simple Garrett for coins and relics.
- +You find one at the right price and mainly detect dry inland ground.
- +You prefer straightforward modes and are not chasing modern waterproof features.
As an Amazon Associate we earn from qualifying purchases.
Garrett ACE 400i Metal Detector
I Would Pick This If...
- +You want the better Garrett ACE choice for UK fields, iron feedback, and target confidence.
- +You care about Iron Audio, stronger target information, and a more useful all-round setup.
- +You want the Garrett I would still point most buyers toward in this comparison.
As an Amazon Associate we earn from qualifying purchases.
My Short Answer
I recommend the Garrett ACE 400i metal detector over the Garrett Euro Ace 350 metal detector because Iron Audio, clearer target information, and the more complete ACE package make it easier to trust in UK fields. The Euro Ace 350 metal detector can still be useful if you find one cheaply and want a simple Garrett. But if I was choosing between them today, I would buy the ACE 400i metal detector.
I would still buy the Garrett Euro Ace 350 metal detector if its specific advantage was the reason for the comparison in the first place. No metal detector wins every site, and no spec line replaces time in the field. The sensible choice is the one that makes you detect more confidently, dig fewer silly holes, and stop changing settings just because the internet said you should.
The Specs I Actually Care About
These are the specs I would actually check before spending money, but I would not treat them like a scoreboard. A spec only matters if it changes what happens in the field. I care about technology, waterproofing, ground control, target information, coil choice, and whether the metal detector feels useful after the first exciting week has worn off.
| What I Look At | Garrett Euro Ace 350 Metal Detector | Garrett ACE 400i Metal Detector |
|---|---|---|
| Product | ||
| Technology | Graphic Target ID with enhanced iron resolution | Digital Target ID with Iron Audio |
| Waterproofing | Submersible searchcoil only; control housing not waterproof | Submersible searchcoil only; control housing not waterproof |
| Search modes | Zero; Jewelry; Custom; Relics; Coins | Zero-Disc; Jewelry; Custom; Relics; Coins; Pinpoint |
| Weight | Not stated in the local source data | 1.32kg |
| Ground and target control | Ground: Automatic preset. Target ID: 12-segment upper Target ID cursor; 12 lower discrimination pixels. | Ground: Automatic preset. Target ID: 0-99 Digital Target ID. |
| Best user | Garrett users who want a simple European coin and relic setup. | Garrett buyers who want the better ACE field option for UK coins and pasture. |
Setup And First Sessions: Garrett ACE 400i Metal Detector Wins
The first-session test matters because a metal detector that looks brilliant on paper can still slow you down if every signal makes you question the setup. The Garrett Euro Ace 350 metal detector has that older Garrett simplicity: big buttons, familiar modes, and a DD coil aimed at European coins and relics. The Garrett ACE 400i metal detector keeps the ACE simplicity but adds stronger target information, Iron Audio, and a more useful feature set for UK fields. I care about which one gets me detecting calmly fastest, because early confidence usually matters more than another spec line.
This is also where swing discipline matters. If you are still learning how to move over a patch properly, a calmer metal detector can help more than a more powerful one. If you already understand your sweep speed and can hear when a target is repeatable, the metal detector with more control starts to become more useful. That is why this section is about fit, not just which box has the longest feature list.
Depth, Target ID And Iron: Garrett ACE 400i Metal Detector Wins
Depth is never just a number. Coil size, ground balance, recovery, target size, and patience all change what happens under the coil. The Garrett Euro Ace 350 metal detector The large elliptical DD coil can cover ground well, but the platform feels older when iron gets dense or the soil turns awkward. The Garrett ACE 400i metal detector The ACE 400i metal detector gives me better confidence in iron than the older Euro Ace, even if it is still not a wet-salt specialist. In real UK soil, I would rather have stable information at sensible depth than wild claims that make every deep whisper sound like treasure.
The screen only helps if it supports what the audio is already telling you. A good target ID response should stay reasonably sensible as I change direction, slow down, and tighten the coil over the centre of the signal. If one metal detector gives more useful information before I dig, that saves time on iron-heavy pasture and makes long permissions less frustrating.
Wet Ground And Beach Work: Very Close
Wet ground separates practical metal detectors from fair-weather ones. The Garrett Euro Ace 350 metal detector Only the coil is submersible, so I would keep the control housing protected from serious rain and water. The Garrett ACE 400i metal detector The search coil is submersible but the control box is not, so I still treat it as a dry-land and light-rain Garrett. I do not buy a waterproof claim just to take a metal detector diving; I buy it because rain, mud, wet grass, rinse-downs, and the surf edge are part of normal UK detecting.
On beach work, stability matters as much as waterproofing. A metal detector that is technically safe in water can still be annoying if salt and mineralisation make it chatter. This is where the better ground handling, beach modes, and coil behaviour start to matter, especially when the tide has left a mix of black sand, coke, foil, and faint coin-sized targets in the same patch.
Value And Long-Term Fit: Garrett ACE 400i Metal Detector For Most Buyers
Value is not the same as cheapest. The Garrett Euro Ace 350 metal detector is value mainly for Garrett fans who find one at the right price and like the older ACE feel. The Garrett ACE 400i metal detector is the Garrett I would pick from this pair because the extra information makes more difference than the spec sheet suggests. The better buy is the one that removes the most friction from your actual detecting, not the one with the loudest headline or the biggest saving on the day.
I also think about what happens six months later. If you will want extra coils, more target control, waterproof confidence, or a clearer upgrade path, spending less now can be false economy. If you mainly need a dependable tool for straightforward permissions, paying for advanced controls you never use is just as wasteful. That is why coil choice and real site choice should decide the spend more than brand pride.
Final Verdict

Overall Winner For Most Buyers
Garrett ACE 400i Metal Detector
I recommend the Garrett ACE 400i metal detector over the Garrett Euro Ace 350 metal detector because it gives the better overall fit for most UK buyers in this exact head-to-head. It does not make the Garrett Euro Ace 350 metal detector a bad buy, because the runner-up still has a clear place when its strengths match your sites. But if I had to put one in the basket for the widest mix of UK detecting, I would choose the Garrett ACE 400i metal detector.
If I had to make the call for most UK buyers choosing between the Garrett Euro Ace 350 metal detector and the Garrett ACE 400i metal detector, I would choose the Garrett ACE 400i metal detector. It gives me the better balance for the widest range of real permissions, and it is the one I think more people will still be happy with after the first few months.
I would still recommend the Garrett Euro Ace 350 metal detector when its specific strength is the thing you care about most. That is the point of a proper head-to-head comparison: not to pretend one metal detector destroys the other, but to show which one I would buy for a real person with real ground, real weather, and a real budget.