Calypso
Active Member
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There have been only a few posts (eg, @forestwalker) on the new 21” Yokohama Geolandar A/T4, so I am adding my impressions.
As my OEM Pirelli Scorpion Verde all-seasons on the 21" wheels hit 25K miles with 4-5/32 remaining, I spent too much time debating staying on 21s versus moving to 20s. I originally chose 21" to maximize range since roughly 20% of our miles involve towing a teardrop trailer (1,500-2,000 lbs).
The Pirellis were good all-arounders. Better in snow than I expected, but heavy snowfall this past winter left me wanting more capability. My efficiency baseline with them on primarily highway and suburban mixed driving, including 3 New England winters:
2.26 mi/kWh blended overall, 25K miles
2.46 mi/kWh without the trailer (~18.5K)
1.7 mi/kWh towing (~6.5K)
With the Yokohama Geolandar A/T4 G018 (275/55R21, 116H XL, 3PMSF-rated, 44 lb tire weight) now available in 21" sizing, my final decision came down to it versus the Michelin Defender LTX M/S2. The Michelin is highly rated and more efficiency-focused, but it does not carry the 3PMSF severe snow service rating, which is a real advantage for NE winters.
Early impressions after 1067 miles: More tire noise than the all-seasons but still quiet for an AT tire. They are less rugged/chunky than some of the 20” options from BFG, GY, Toyo, etc. Wheels were road-force balanced but I still feel a little vibration at some speeds/surfaces. Driving is well-mannered and no squirm. No snowstorms since I got them – will have to wait for next winter…
Efficiency: weather has ranged 30-50°F with a few warmer days. Driving has been 50:50 mixed highway and suburban. I won’t get towing miles until later in the year.
1.99 mi/kWh over 1067 miles total
2.15 mi/kWh over last 328 mi (mostly highway, tad warmer)
Overall I'm pleased. Seems to have about a 12% hit on efficiency vs all-seasons. That fits with other AT reports on the 20s. I was hoping to do a bit better than that and will see how things average out over time. For those of us on 21s who want genuine winter and light off-road capability without buying a second set of wheels, the Geolandar A/T4 is currently the only option.
As my OEM Pirelli Scorpion Verde all-seasons on the 21" wheels hit 25K miles with 4-5/32 remaining, I spent too much time debating staying on 21s versus moving to 20s. I originally chose 21" to maximize range since roughly 20% of our miles involve towing a teardrop trailer (1,500-2,000 lbs).
The Pirellis were good all-arounders. Better in snow than I expected, but heavy snowfall this past winter left me wanting more capability. My efficiency baseline with them on primarily highway and suburban mixed driving, including 3 New England winters:
2.26 mi/kWh blended overall, 25K miles
2.46 mi/kWh without the trailer (~18.5K)
1.7 mi/kWh towing (~6.5K)
With the Yokohama Geolandar A/T4 G018 (275/55R21, 116H XL, 3PMSF-rated, 44 lb tire weight) now available in 21" sizing, my final decision came down to it versus the Michelin Defender LTX M/S2. The Michelin is highly rated and more efficiency-focused, but it does not carry the 3PMSF severe snow service rating, which is a real advantage for NE winters.
Early impressions after 1067 miles: More tire noise than the all-seasons but still quiet for an AT tire. They are less rugged/chunky than some of the 20” options from BFG, GY, Toyo, etc. Wheels were road-force balanced but I still feel a little vibration at some speeds/surfaces. Driving is well-mannered and no squirm. No snowstorms since I got them – will have to wait for next winter…
Efficiency: weather has ranged 30-50°F with a few warmer days. Driving has been 50:50 mixed highway and suburban. I won’t get towing miles until later in the year.
1.99 mi/kWh over 1067 miles total
2.15 mi/kWh over last 328 mi (mostly highway, tad warmer)
Overall I'm pleased. Seems to have about a 12% hit on efficiency vs all-seasons. That fits with other AT reports on the 20s. I was hoping to do a bit better than that and will see how things average out over time. For those of us on 21s who want genuine winter and light off-road capability without buying a second set of wheels, the Geolandar A/T4 is currently the only option.
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