Could be weather related. I'm in Canada and we have weather from -35C to +35C, so Mazda recommends oil changes every 8000km instead of 12,000km.
SOOOO I've always used full synthetic way before most vehicles started recommending it from the manufacturer. I've ran mobile 1, royal purple, and a few others. When we got our 2007 Mazda 3 all of the records/receipts showed conventional Castrol was used. I've stuck with it to see how it do... I've increased the weight "one step" because we live in a hotter than average climate but we just hit 290k miles with not major issues... my average MPG is 31.x and I typically do 10 over the speed limit (so it could definitely be improved).I change it myself every 5k miles. I think the frequency is more important than the quality with oil. I'd rather have super tech every 3k than mobile 1 every 10k. I think if you stick with any major brand, use a good filter, and change it regularly you'll be fine.
Mazda 3 3rd gen and cx5 2nd gen here, hundreds of thousands of kms, no chips in the windshield.
Bought these tires for my Mazda 3 after one of my OEM Bridgestone EL440’s got pregnant(sidewall bulge), and I plugged a puncture in the other one. Decided to just replace the tires completely.
So far I’m happy with them.
Pros:
- Severe snow rating so they are legally snow tires in my state(for mountain passes and stuff), and I’m guessing the snow traction is way better. They are still all season tires though.
- Seems to be a softer ride overall even on the stock 18” side.
- XL sidewall strength, vs the stock tires being standard. Should help with those sidewall issues.
- They seem fairly quiet as far as noise.
- $150 rebate in addition to being fairly cheap
Cons:
- These are definitely not for those people who want sporty handling, they don’t really feel like a sport tire, and are more of a touring road tire.
- I’ve heard the treadwear isn’t the best(makes sense with the snow rating)
I'd go with the OEM Mazda Oil Filters but any high quality synthetic 0w20 will work fine.
If you do end up replacing it. I have found success with the exedy clutch kit and luk flywheel combo.
At 55,XXX miles and still haven’t changed my brakes on 2019 AWD Mazda 3(not as heavy as yours but heavier than a FWD 3) Last service, I was in the green for both sets still, but they said I would likely be in “yellow” by 60-65k. I did want to note—I hear no scraping/squealing and brakes feel relatively strong just not as great as new.
I use Castrol EDGE Fully synthetic oil in my 2013 Mazda 3 skyactiv. It does burn a little but I did not have any issues.
My previous car was a ‘21 Mazda 3. The factory windshield was SO fragile in my opinion. Granted I live in AZ where rock chips are extremely common. I had 3 chips that quickly turned into 3 huge cracks within about a 6 month time frame.
The 18 inch wheels with low profile tires are rough, loud, and I've had 2 flats. The stock dunlop tires suck.
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