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Hello Dave, welcome aboard. I've had my car seven years and have driven 148,000 miles in it from new. In that time I've had the opportunity to try different tyres. I've also driven a fair amount of other people's GT86's too. I kept the Primacy tyre for the first 25,000 miles or so. I think it's good to learn the balance of the car with this tyre. You can play with it at low speeds and it's a lot of fun, bringing out the playful nature of what is an excellent and well balanced chassis. The Primacy tyre is also fantastic fun on track if you so wish. After about 4 laps they go off, but stay consistent and you can just slide and drift the car all day. They last really well too. That said, they aren't the most progressive tyre and it can be a bit tricky in the wet. Yes in low temperatures in greasy conditions they can prove tricky, though that is true of any tyre. Everyone will tell you to fit Michelin Pilot 4 tyres. Whilst they are a great tyre, they take away from the playfulness of the chassis. They are a a great choice if you are not a confident or experienced driver as for the most part they will totally tame the car and you'll feel more confident. I have these on my car because I sprint my car and they are the most competitive tyre in class, giving around a 1.5-2 second advantage on a sprint lap. Yes, at high speeds you can still slide the car and have fun, providing you are committed, but the speeds at which you do this mean that you will not really be able to do so on the public road. The PS4 is great in the wet too. In fact they are utterly brilliant in the wet, a point I have underlined whenever it is wet in the Toyota Sprint Series, which will see all of us running them at the top of the leaderboard. I like the PS4, it's a great tyre. But, you have to push it to have fun on the road. Another really good choice is the Yokohama Advan Sport V105. I have gone through 5 sets of these and would have carried on with them were it not for them not being competitive in the sprint series I compete in. They are perhaps the best balance between grip and playfullness for the GT86. They are more progressive than the Primacy but not as grippy as the PS4. This means you can still have fun drifting a roundabout or on a decent B-road blast. They do really well on track too and you can slide the car around just as well as the Primacy. If I wasn't competing in the sprint series I would run a V105 instead of a PS4. It makes the car far more fun to drive. The other point to note is that I use stock 215/45/17 sizes albeit on a forged lightweight 17x8 wheel. If you like to play with the chassis do not make the mistake putting on wider tyres. All it does is detract from the fun and add unsprung weight.

"Depends". There are such that buy it purely for sportish-coupe-ish looks, there are such, that decided upon online video reviews raving about it's handling. Some that like to play around, and some that want absolute performance. Thing is .. grippy tires turn to very different type of handling, and one thing stock not that powerful/torqy engine and not exactly sport-level-stiff suspension paired with limited grip tires, and another - if you pair it with grippy & wide tires (like some do so .. interestingly often guiding in that not for grip, but for "looks"). Lot of points that were voiced in those reviews, lot of first impressions from first drives may become moot. It's not as if it will make car worse, grippy tires will make it - different. And i've seen not only threads of "i installed better tires X, car should have come as such from factory", but also threads like "what other tires would feel like primacies", and where people reverted tire change due not liking grippier/not playful change, or loosing steering sharpness and alike. To each his own. Different people may have different subjective preferences. Imho simply worth experiencing both ways so that choice is done in educated fashion, by knowing what one will like best, what changes one wishes over what has been before. I myself have had my share of fun on primacies and now moved up for more capable tires on track, but i certainly not regret of having driven on those and wouldn't write them off as something inherently bad.

@davbelfast if you don't even have the car yet, I would recommend running the standard Primacy tyres for a few months. When you learn to control the car on those tyres, you won't have to get better tyre purely out of fear like most here do... Sure, there are good tyres like Michelin PS4, but they cost a lot, and take away from the tail happiness and the fun factor of the car imho. I just think that you need to learn to drive the car the best you can with "bad" tyres, so when you're ready to put new good tyres on, you're a better driver and you don't rely on tyres so much, but more on your throttle control and steering.

I phoned up a Toyota garage before buying my 86 (2016 plate at 53k miles) to ask them about this service because I wanted to use it as a bargaining tool to get more money off when buying the car. When I phoned up the garage they informed me the spark plug service is now standardised as part of the standard price service of £395. Of course, that's just one guy on the phone and could be wrong, but I hope he isn't...