Dunlop Premium Grandtrek At20
no independent tests 
Which sizes it's made in
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Price comparison across shops
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How the Grandtrek AT20 evaluated
no independent tests Customer reviews are not part of PTI – PTI is based on measurements from independent tests; for tyres with few tests it also partly considers the brand's class.
Technical information
Focus: All Terrain
All-terrain really is fifty-fifty: as much at home on tarmac as on an unpaved road. Dunlop Grandtrek At20 belongs to this category. A chunkier block tread and reinforced construction bite on gravel, mud and rock and resist cuts better, while the tyre keeps usable manners in everyday traffic. It is the choice for SUVs and pickups that meet rough ground more than just now and then, yet still cover their daily kilometres on the road. Compared with a road tyre, expect more noise and a slightly longer wet braking distance.
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What owners say
Abysmal.
It says all terrain, it is around town only. I got two slow leaks in 15,000kms, fortunately we were left stranded. On an Australian delivered 4WD vehicle it is totally unacceptable to fit a tyre that can leave you stranded. They will puncture, not they may puncture, they will. As such I can’t understand how in good conscience they can be sold in our market. If you have this tyre you should immediately change to something else. If you can’t afford to, buy a PLB/EPIRB.
On road performance was acceptable, off road performance was mediocre as best. Anything soft is a real challenge for this tyre.
Spend the money and buy something decent, BFG KO3 is safe recommendation, Maxxis RAZR AT is my favourite tyre for an Australian use case.
I'm running jimny stock tyres on a first gen 1.6 vitara. My car isn't exactly fast and the on road traction and braking are just fine for my car. The road to my house is about 400 meters of very rough and steep offroad trail. After about 15000 km of driving the outer tread is worn way past the tread depth indicators. These tires will probably be fine for highway driving but for rough, steep uphill they got smoked pretty quick.
These are not good tyres, their wet grip is very bad, will not buy again
Assumed tires were fine as there was no issues in summer. Seem to be okay on snow but deadly on ice. Don't trust these are all season tires and don't buy them for winter. Unsafe for the road. I spun out 3x on small patches. Had to buy new tires.
Lousy tires, only good for tarmac roads.
On gravel road, no resistance to perforation, no course stability on the track.
In the sand it's even worse.
If you want to do track, throw these craps out and put in General Grabber AT3 or BF Goodrich (significantly more expensive) instead.