20" Inch YOKOHAMA GEOLANDAR CV 4S | 275/60R20 - 116H - 660AA - 3PMSF

[ksurfier]

Updates:
July 2025 - 20,500 miles:
Long term review: Yokohama Geolandar CV 4S after 20k miles

Apr. 2025 - 16,000 miles.
2nd rotation; tires are all 7/32s with even wear. Hope to reach 35k miles, so will likely replace them end of 2026…
Average of 2.2 MPK most recently:

Feb. 2025 - 14.000 miles.
Trip to Brian Head, Utah: ~1,067 miles, speeds of 75-83 MPH. Average MPK of 2.0. 370 kWh @tesla Superchargers (140 minutes total) average cost of $0.16 per mile (including ~98 kWh free Hotel destination charger). ~ 25 mpge;
99% Driver+ hands free (minor issues with glare/lane lines not detected). One scary disengagement where D+ tried to make a hard left in fast lane.
5.3 miles per minute (supercharger average), average charge stop of 23 min adding 122 miles range. Range estimates were spot on plus/minus 5-10 miles. Best superchargers (no wait):
Tesla Barstow (120 stalls)
Tesla Henderson (M Resort Spa Casino)
Tesla St George

Jan. 2025 - 11,000 miles. (Rotated at 8k)
Tires are all ~9/32s, likely replace ~30-40k miles
Long term efficiency is ~2.2 MPK

August 18, 2024 - 4,350 miles.
Front tires 10/32, rear 11/32
Durometer (Type A, ASTM 2240) - 62-65
* At 80 mph, almost no difference between Conserve and All Purpose (1.78 vs 1.75 MPK)
60 mph = 2.33 MPK, 70 mph = 2.00 MPK, Temp. ~60 F, tires 45 PSI (cold)

June 26, 2024 - 2,400 miles on tires: 176 mile one way; temps in high 70s climbing to high 80s. Average speed of 60 mph (Conserve 100%). Consumed 81.2 kwh. Average efficiency of 2.17 MPK.

Update: June 11, 2024 - 1,800 miles on tires: 20.8 mile roundtrip; temps in low 60s. Average speed of 37 mph (All Purpose 90% non-highway). Consumed 8.3 kwh. Actual distance travelled of 20.2 miles. Average efficiency of 2.4 MPK.

Installed the Geolandar CV 4S on 20" OEM rims, updated with performance and MPK...$245 per tire (simpletire.com). At 800 miles of wear, CV 4S are 11.7% more efficient than the 20” OEM Pirelli, primarily due to being 16% lighter weight (41.4#):

Tire	MPK	AP Range	Conserve Range
20" OEM	2.15	~275	~315
CV 4S	2.35	~300	~340

Tread wear:

Miles	Front	Rear
1,000	12	12
3,500 4,000 4,350 6,400 8,000 (1sr R) 8,750 9,150 9,750 10,150 11,000 11,550 12,000 14,000 15,000 16,000 (2nd R) 19,000 20,000 22,000	10.5 10 10 9.75 10.75 10.5 10.25 10 9.75 9.25 9 8.75 7.75 7.25 7.0 6.25 6.0 5.25	11 11 11 11 9.5 9.25 9.25 9 9 8.75 8.5 8.25 7.75 7.5 7.25 6.5 6.0 5.5

GEOLANDAR CV 4S SIZE & SPECS
Warranty: 60,000 miles
275/60R20 116H
Part # 110156136
Load I.D. XL
UTQG Rating 660/A/A
Unit Weight (lbs.) 41.4
Rim Width (Meas.) 8.0
Rim Width (Appr.) 7.5 - 9.5
Overall Width (inches) 10.8
Overall Diameter (inches) 33.0
Tread Width (inches) 8.1
Tread Depth 13
Static Radius (inches) 15.1
Rev/Mile 629
Max Load at Cold Inflation Pressure (Lbs. @PSI) Single 2756@50
Type BW
]
CV4S INSTALLED:

oem:

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[RivianWonderer]

Following. Please update on the comfort/range/noise/performance. Been looking for AS tires.

 

[ksurfier]

Going on:

 

[goldburger]

Those look rally great. Looking forward to seeing them on the R1.

 

[ksurfier]

Very soon…

 

[RivianWonderer]

Very soon…

Need more updates!!!!!

 

[RivianWonderer]

Really want to see the range KWH readings. Also the noise/comfort on those tires.

 

[ksurfier]

Detailed review tomorrow AM, will run the tests again in a week or two, should have at least 500 miles on them by then…stay tuned…

 

[ksurfier]

Initial thoughts:
Driving in Sport Mode is significantly improved. The “bouncy” feeling is essentially gone. Road feels more connected and overall a more stabilized and controlled driving experience. Pretty limited data but so far seems it’s at least as efficient as OEM 20” Pirelli. More to come but wanted to share first impression.

 

[foxerson]

Tempting. ? But, not available in stock 20” size of 275/65r20. Don’t really want to deal with the calibration change from 34” to 33”.

I assume you started with 21” then made the switch to 20”, thus the 60 profile.

 

[ksurfier]

Tempting. ? But, not available in stock 20” size of 275/65r20. Don’t really want to deal with the calibration change from 34” to 33”.

I assume you started with 21” then made the switch to 20”, thus the 60 profile.

“ …least as efficient as OEM 20” Pirelli.”

Calibration? My OEMs were 2 mph off, these are 3 mph off…

Computer can’t tell difference…never had the 21”, but been thinking it’s a great time to pick up a set since nobody wants them..oh wait, they 48# each…

 

[ksurfier]

At 65 mph the Geolandar CV 4S was 2.14 MPK, 55F and no wind in All Purpose. Tires are new so hopefully will improve. Guessing they will be about 5% more efficient than the OEM.
No distance adjustment was needed. At 40 mph they are around 5% more efficient. The better ride/handling is the best part for sure.

 

[UnsungZero_OldTimeAdMan]

At 65 mph the Geolander CV 4S was 2.14 MPK, 55F and no wind in All Purpose. Tires are new so hopefully will improve. Guessing they will be about 5% more efficient than the OEM.
No distance adjustment was needed. At 40 mph they are around 5% more efficient. The better ride/handling is the best part for sure.

What is frame of reference, the larger OE ATs? Odometer and trip computer would be off without reprogramming (if original equipment was the OE AT).

 

[ksurfier]

What is frame of reference, the larger OE ATs?

Yes 20” OEM, realizing how bouncy they were, driving in sport mode wasn’t possible, now it is. CV 4S seem like a great tire that checks all/most of the boxes…obviously not a hard core off road tire but neither was the OEM.

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