OO gauge vs N gauge

OO or N gauge

What I wish someone had told me before.

I run both OO and N gauge model trains, actually I run a few other gauges too but that’s another story, and enjoy working with both.

And trains are trains of course and they’re both just as entertaining but if I was starting from scratch now here’s what I wish someone had told me.

Oh, and these aren’t the obvious things like you can fit more N gauge track into a smaller space but three hard realities of the differences between in N or OO I’ve learnt over time.

For Price Go OO

And not just the cost of the locos either.

It’s no surprise that trains in OO gauge are cheaper than their N gauge equivalents. Take the A1 Tornado. The Graham Farish N gauge version costs around £130 to £140 from the main dealers while the OO gauge version from Hornby comes in under £100. And other locos have a similar price difference.

But while locos are the centre of attraction on a layout and so the saving there matters what really surprised me is that this price difference carries through to every aspect of the layout.

Pretty much everything from track to models costs just slightly more in N gauge.

A single piece of Peco N gauge set track (ST1-N) for example costs around £1.50 while it’s Peco OO gauge equivalent (ST-200) has – at the time of writing – an average price of £1.20.

And then there’s the second-hand market  Because OO is the market leader there’s a huge very cheap second-hand market and this doesn’t really exist yet for N gauge. So if you’re prepared to take a few risks you can save even more.

Sure the differences in price don’t seem much for individual parts but over an entire layout this all mounts up.

OO equals Greater Gratification

I love my little N gauge trains. But I also enjoy model making. And while I can deny it as much as I want, if I’m being honest modelling in N gauge isn’t as much fun or pleasing as in 1:76th scale.

Obviously, the smaller size makes making the models more challenging both in terms of being able to see what you’re doing and also actually making some of the small details. But what experience taught me is that even when you’ve gone to the trouble of modelling something in N it’s not as satisfying once finished.

Most of the detail is so small as to make unnoticeable once done.

Yes, it’s pleasing to me to know that I’ve made a 1 or 2mm high sign for a doorway and that the wording etc is correct but when operating the layout later these and all the other minute details that I’ve spent painstaking hours, days and weeks making and positioning just aren’t big enough to notice and disappear.

More to the point, N gauge requires more precision just to set up and operate. If I want a quick run of the trains, I can “grab” my OO models, place them on the track and get going. For N gauge it’s all a bit more fiddly and takes longer. Yes, re-railers etc help but it still delays train-on-track time.

DCC is better big

I now work in DCC on my OO gauge layout and good ‘ol DC on my N gauge layout and for good reason.

I did experiment with N gauge DCC for a while but found that while manufacturers are increasingly offering their models with DCC fitted or ready (for fitting later) this is typically only for basic motor control and even then only in the medium to big locomotives.

The smaller engines and small body shells of N scale locos just don’t have space for extra decoders. End result: the range of OO gauge with DCC is far larger and the trains have light, sound and smoke.

I’m sure in time this will come but for now at least where I want to use DCC I now go OO gauge.

This is my experience what’s yours?

Overall, N is fun and I’ll continue to model in it and run trains but if I was starting from scratch or perhaps returning to the hobby after a break and starting over I’d stick with OO.

What’s your experience? Do you agree? Add your thoughts in a comment below and share with the Model Railway Engineer community.

Footnote: This article in the Intermediate class of articles as opposed to the Beginners guides as it’s really aimed at those building layouts rather than just exploring model trains on a table top or floor.

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  1. Had OO gauge years ago but I’m kind of liking N gauge it’s a challenge. Hope I’m not wrong. Anyway I’m retired so as Louis Armstrong said “We have all the time in the world”


    Kenny Bell
    Ps. If I encounter any problems I will certainly contact you

  2. I was seriously considering N gauge but I have found like yourself that it is a lot pricier than oo. Therefore I am now rethinking after buying quite a bit of N gauge bits and pieces.

  3. I just can’t fit enough trackwork in the shed in OO to make it interesting. N gauge is certainly challenging and the painstaking attention to detail that doesn’t really show once it is on the layout is a fair point. However I have a descent layout taking shape all DCC with servo/megapoints control of points, signals and level crossing.
    Six locos have sound some retro fitted – hard wired. Enjoying spending mi pension.

  4. Very useful, thank you. I am just starting to build my first layout. And as I was not sure which way to go, OO or N, I stated to do both ! But due to the costs involved I can not do this. So I have to decide which way to go. I was going to search for similar parts in both scales. However, you have already done this. Pricing Locos and track, even buildings. And although you might expect OO to be more expensive, basally as it is bigger, it is NOT the case. And, as I am modelling in DCC, it also has better sound, probably due to the increased space. So once again, I say thank you. I just now have to decide on what I want to operate. I have already built a simple loop, with 2 sidings. And I have added a set of points which takes my track off to a second board, and possibly third. I have bought a class 25 and a class 47. Both are DCC sound but the 25 also has lights. I am controlling them with a Bachmann controller. However I also have the Rocco i-pad system, which I am going to try.

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