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Dunlop Grandtrek A/T20

Premium Touring All Season

The Dunlop Grandtrek AT20 is an all-season touring tyre often praised for long tread life. Wet grip and off-road traction are recurring owner concerns, despite some positive reports on comfort and quiet road use.

The quick answer

Owners say 52% from 37 owner reviews 37% would buy again Read the reviews
Tests say Sorry, we don't currently have any test data for the Dunlop Grandtrek A/T20
Strengths & weaknesses Often good tread life Quiet running in some accounts Poor wet grip Limited off-road traction Summarised from owner reviews

Built from every independent test result and vetted owner review we hold for this tyre - the evidence is all further down the page. Data updated October 2026.

  • 37owner reviews
  • 750,540miles driven
Dunlop Grandtrek A/T20 1 photos

Tyre Reviews Score

Dunlop Grandtrek A/T20

5.8/10

From owner reviews only: no measured test results yet.

  • Medium Confidence
  • 37 owner reviews

How this score is built

Better than Weight
Independent testsNo measured test results yet – 0%
Owner reviews37 owner reviews · rated 52% 11% 71%
Typical tyreWhere every score starts before its own data counts – 29%
Combined 17% 5.8

A fixed curve turns the combined figure into the 0 to 10 score, so roughly the top 10% of a group score 9 or more.

Confidence

  1. Limited
  2. Medium
  3. High

Owner reviews decide 71% of this score. The other 29% is the typical starting point, and it shrinks as more reviews arrive.

Scored on owner reviews alone, a tyre is High once the reviews decide 90% or more, and Medium from 70%. Anything less is Limited: expect the number to move as reviews arrive.
All Tests

Sorry, we don't currently have any magazine tyre tests for the Dunlop Grandtrek AT20

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Dimensions & Label Scores
View All

Size Range15 sizes available

195-265Width60-80Profile15-18Rim96-112 R-HLoad/Speed Index2008First On Market

EU LabelAcross 15 sizes - the grade depends on the size you buy.

Noise

67-72dB

US ratingsUTQG grade and the maker's mileage warranty

300UTQG treadwearBTractionA-BTemperature10-11/32"Tread depth (new)60,000milesMileage warranty

Popular sizes265/65 R17225/45 R17265/70 R17265/60 R18195/80 R15265/70 R16
Frequently Asked Questions
How many miles does the Dunlop Grandtrek AT20 last?
Based on test and owner data, the Dunlop Grandtrek AT20 is expected to last around 38,556 miles (62,050 km).
What treadwear rating and mileage warranty does the Dunlop Grandtrek AT20 have?
In the US, the Dunlop Grandtrek AT20 carries a UTQG treadwear grade of 300, with traction B and temperature A-B. UTQG treadwear is relative: a tyre graded 400 lasted four times as long as the reference tyre, graded 100, on the government test course. Dunlop backs it with a 60,000-mile limited treadwear warranty. New tread depth is 10-11/32" (7.9-8.7 mm), depending on size.
What do owners say about the Dunlop Grandtrek AT20?
Across 37 owner ratings the Dunlop Grandtrek AT20 averages 52%. Owners rate Dry Grip highest at 7.4 out of 10 and Ice Grip lowest at 1.5. 18 of those reviews come from owners past 10,000 miles. 36% of owners score it 70% or better.
What is the Dunlop Grandtrek AT20's EU tyre label rating?
Across its range, the Dunlop Grandtrek AT20 most commonly carries EU label ratings of C for fuel efficiency, B for wet grip and 72 dB for noise.
How comfortable and quiet are the Dunlop Grandtrek AT20?
Owners rate the Dunlop Grandtrek AT20 6.9 out of 10 for comfort and noise across 35 reviews.
More questions about the Dunlop Grandtrek AT20 (6)
How well do the Dunlop Grandtrek AT20 wear, according to owners?
Owners rate the Dunlop Grandtrek AT20 6.9 out of 10 for wear across 35 reviews. 18 of those reviews come from owners past 10,000 miles, and the typical review covers 16,000 miles.
Would owners buy the Dunlop Grandtrek AT20 again?
37% of owners say they would buy the Dunlop Grandtrek AT20 again, based on the 35 owner reviews that answered the question. 17% of them gave it the highest possible answer.
What do owners say about the Dunlop Grandtrek AT20's tread life?
Of the 34 owner reviews analysed for the Dunlop Grandtrek AT20, 18 mention tread life: 13 praise it (long-lasting) and 5 criticise it (wears quickly). One owner wrote: "70000kms and are due for replacement. I consider this very good". Read those reviews
What do owners say about the Dunlop Grandtrek AT20's wet grip?
Of the 34 owner reviews analysed for the Dunlop Grandtrek AT20, 15 mention wet grip: 3 praise it (confident wet grip) and 12 criticise it (weak wet grip). One owner wrote: "If you ever go to the mountains, in rain, sleet or snow, these tires are absolutely dangerous". Read those reviews
What do owners say about the Dunlop Grandtrek AT20's off-road traction?
Of the 34 owner reviews analysed for the Dunlop Grandtrek AT20, 14 mention off-road traction: 3 praise it (strong off-road traction) and 11 criticise it (weak off-road traction). One owner wrote: "If you ever go to the mountains, in rain, sleet or snow, these tires are absolutely dangerous". Read those reviews
What sizes does the Dunlop Grandtrek AT20 come in?
The Dunlop Grandtrek AT20 is available in 41 sizes, ranging from 195-265/60-80 R15-18.
Owner Questions (1)
Ask a question
Why was a Dunlop Grandtrek AT 20, 225-60R-18 tire installed on a new 2016 Honda CRV Touring 2 wheel drive? This tire is listed as a off road all terrain tire. Show more Why was a Dunlop Grandtrek AT 20, 225-60R-18 tire installed on a new 2016 Honda CRV Touring 2 wheel drive? This tire is listed as a off road all terrain tire. For a touring auto, this is a very rough riding tire.

Thanks Show less
August 22, 2016
We're afraid that is a question for Honda, as they will have specified the Grandtrek AT20 from OE!

Dunlop Grandtrek AT20 Owner Reviews

Review this tyre

What owners say summarised from 34 reviews

Wet grip and off-road traction are the clearest concerns among owners of the Dunlop Grandtrek AT20, each criticised in roughly one in three reviews. Several describe limited confidence when cornering or braking on wet roads, although a smaller group is satisfied with everyday use. Longer-term accounts more often praise tread life than criticise it, particularly with predominantly road driving, but wear varies. Quiet running and comfort receive some positive comments without broad agreement on overall performance. The one returning reviewer remained dissatisfied, which is not enough to establish a general ageing pattern.

What owners mention most counted across 34 reviews

Tap one to read only the reviews that mention it.

Owner ratings averaged from 37 ratings

  • Owner score 52%
  • Dry Grip 74%
  • Comfort 69%
  • Wear 69%
  • Handling 64%
  • Road Feedback 59%
  • Wet Grip 51%
  • Snow Grip 22%
  • Ice Grip 15%

Featured reviews

Most helpful 64%

“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...”

  • Suzuki Mk 1 Vitara 1.6
  • 10,000 miles
Read full review → 919 found this helpful
Most critical 17%

“My previous LC Prado (same model) was equipped with Bridgestone Dueler Sport, which allows me to make the comparison with the Dunlop Grandtrek AT20. On dry roads, with Dunlop Grandtrek, braking distances are increased...”

  • Toyota Land cruiser prado
  • 5,000 miles
Read full review → 448 found this helpful
Longest term 47%

“Original fit on my 2008 Toyota Landcruiser 3.0 D4D VXL Auto 5 door. These tyres were absolutely dead after 30,000 Kms. Main Toyota dealer told me to run the tyres at 2.2 bar, not 2.0 bar, as the original tyre pressures...”

  • Toyota Landcruiser
  • 60,000 miles
Read full review → 525 found this helpful

All 35 Dunlop Grandtrek AT20 reviews

Score spread across 33 written reviews
87%
Member
Initial Impressions
  • 265/65 R17
  • 32,000 miles

very happy with overall performance in varying surface conditions and wet/ dry conditions .
noise level on made roads slightly higher than when new.
I feel the secret to getting the best out of these tyres is to not over inflate for the conditions.

This owner's scores
  • Dry Grip 9
  • Wet Grip 8
  • Road Feedback 8
  • Handling 8
  • Wear 9
  • Comfort 9
  • Buy again 10
Helpful 0
43%
Member
Initial Impressions

Dunlop Grandtrek AT20 tires are only useful when you drive on a dry road. If you live in the desert southwest, never go in the rain and never go in the snow or mud they're fine. If you ever go to the mountains, in rain, sleet or snow, these tires are absolutely dangerous. Do not buy them if that's the case.
I got rid of these tires at 20,000 miles. I bought BFGoodrich KO3. They are not even in the same universe. The k03s are absolutely incredible.
The ironic thing about the k03 tire which is a million times better is there almost around the same price which I don't understand.

This owner's scores
  • Dry Grip 9
  • Wet Grip 2
  • Road Feedback 7
  • Handling 6
  • Comfort 7
  • Buy again 1
  • Snow Grip 1
  • Ice Grip 1
Helpful 4
53%
ChrisM
Initial Impressions
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.
This owner's scores
  • Dry Grip 8
  • Wet Grip 8
  • Road Feedback 5
  • Handling 5
  • Wear 2
  • Comfort 8
  • Buy again 1
Helpful 226

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786 reviews submitted this month Earn your Contributor badge No account needed
64%
Member
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.
This owner's scores
  • Dry Grip 7
  • Wet Grip 7
  • Road Feedback 7
  • Handling 7
  • Wear 3
  • Comfort 8
  • Buy again 6
Helpful 919
33%
Member
These are not good tyres, their wet grip is very bad, will not buy again
This owner's scores
  • Dry Grip 5
  • Wet Grip 1
  • Road Feedback 5
  • Handling 5
  • Wear 5
  • Comfort 6
  • Buy again 1
  • Snow Grip 1
  • Ice Grip 1
Helpful 761
47%
Member
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.
This owner's scores
  • Dry Grip 7
  • Comfort 7
  • Buy again 1
  • Snow Grip 5
  • Ice Grip 1
Helpful 919
20%
Member
  • Suzuki Jimny
  • 195/80 R15
  • 16,000 miles
  • A Combination of Roads
  • Easy Going
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.
This owner's scores
  • Dry Grip 4
  • Wet Grip 3
  • Road Feedback 1
  • Handling 2
  • Wear 1
  • Comfort 2
  • Buy again 1
Helpful 972
32%
Member
These tires are ZERO on Gravel Road and in the sand. Lamentable traction, rapid wear, repeated punctures. These are tires for "Sunday bushmen". RUN AWAY!!!
This owner's scores
  • Dry Grip 5
  • Wet Grip 5
  • Wear 3
  • Buy again 1
Helpful 905
96%
Member
Have not had any adverse issues. Mostly bitumen roads with a little dry gravel. If you drive to the conditions around you, there should not be too many issues.
This owner's scores
  • Dry Grip 10
  • Wet Grip 9
  • Road Feedback 9
  • Handling 9
  • Wear 10
  • Comfort 10
  • Buy again 10
Helpful 925
38%
Member
After a while they become very unstable in wet road, I will definitely avoid these tyres next time.
This owner's scores
  • Dry Grip 9
  • Wet Grip 2
  • Road Feedback 3
  • Handling 4
  • Wear 7
  • Buy again 2
  • Snow Grip 2
  • Ice Grip 1
Helpful 971
44%
Member
The tyre in dry and warm weather is good, stable. As soon as the road is wet, it's bad. They skid on wet roads and the braking effect is weak! I do not recommend them, and certainly not for wet roads.
This owner's scores
  • Dry Grip 8
  • Wet Grip 3
  • Road Feedback 7
  • Handling 7
  • Wear 8
  • Comfort 4
  • Buy again 1
  • Snow Grip 1
  • Ice Grip 1
Helpful 965
81%
Member
Overall a very good tyre. Comfortable and not too noisy. Good wear with 70k rotated. Probably not the best in the wet
This owner's scores
  • Dry Grip 9
  • Wet Grip 7
  • Road Feedback 7
  • Handling 8
  • Wear 9
  • Comfort 7
  • Buy again 10
Helpful 880
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