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Home > Snowmobile > Arctic Cat > 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS Specs

2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS Specs

SUMMARY

The 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS is a Mountain Style Snowmobile equipped with an 858cc, Liquid Cooled, In-Line, Reed Valve, 2-Stroke Engine and a Continuously Variable (CVT) Transmission.

It has a Independent Double Wishbone Front Suspension with 7.6 inches of travel. The ALPHA-ONE Rear Suspension has 14.5 inches of travel with a Shock Mounted Adjustment. The M 858 Mountain Cat Alpha One 154 3.0 AWS has Rear Hydraulic Disc Brakes.

The M 858 Mountain Cat Alpha One 154 3.0 AWS was introduced in 2025 and is New for 2025. It includes a 12 month Limited warranty.

2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS
Price Quote
MSRP: $18,999 Est. Monthly Payment*: $317

CURRENT OFFERS

Updating Models

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2025 Arctic Cat M 600 Alpha One 154 2.6 AWS ES 2025 Arctic Cat M 600 Alpha One 154 2.6 AWS ES
MSRP: $14,499
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2025 Arctic Cat M 600 Alpha One 154 2.6 AWS Sno Pro ES 2025 Arctic Cat M 600 Alpha One 154 2.6 AWS Sno Pro ES
MSRP: $15,999
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2025 Arctic Cat M 858 Alpha One 154 2.6 AWS Sno Pro 2025 Arctic Cat M 858 Alpha One 154 2.6 AWS Sno Pro
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2025 Arctic Cat M 858 Alpha One 154 2.6 AWS Sno Pro ES 2025 Arctic Cat M 858 Alpha One 154 2.6 AWS Sno Pro ES
MSRP: $17,899
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2025 Arctic Cat M 858 Alpha One 154 3.0 AWS Sno Pro 2025 Arctic Cat M 858 Alpha One 154 3.0 AWS Sno Pro
MSRP: $17,699
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2025 Arctic Cat M 858 Alpha One 154 3.0 AWS Sno Pro ES 2025 Arctic Cat M 858 Alpha One 154 3.0 AWS Sno Pro ES
MSRP: $18,099
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2025 Arctic Cat M 858 Alpha One 154 3.0 AWS 2025 Arctic Cat M 858 Alpha One 154 3.0 AWS
MSRP: $15,799
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2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS ES 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS ES
MSRP: $19,399
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2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS
MSRP: $18,799
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2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS ES 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS ES
MSRP: $19,199
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2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS w/ATAC 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS w/ATAC
MSRP: $18,899
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2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS w/ATAC ES 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 2.6 AWS w/ATAC ES
MSRP: $19,299
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2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS w/ATAC 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS w/ATAC
MSRP: $19,099
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2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS w/ATAC ES 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS w/ATAC ES
MSRP: $19,499
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2025 Ski-Doo Summit X 850 E-TEC 154 3.0 2025 Ski-Doo Summit X 850 E-TEC 154 3.0
MSRP: $16,749
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2025 Ski-Doo Summit X 850 E-TEC Turbo R 154 2.5 2025 Ski-Doo Summit X 850 E-TEC Turbo R 154 2.5
MSRP: $19,949
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2025 Ski-Doo Summit X 850 E-TEC 154 2.5 2025 Ski-Doo Summit X 850 E-TEC 154 2.5
MSRP: $15,849
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2025 Ski-Doo Summit X 850 E-TEC Turbo R 154 3.0 2025 Ski-Doo Summit X 850 E-TEC Turbo R 154 3.0
MSRP: $20,249
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2025 Lynx Shredder DS 850 E-TEC Turbo R 154 3.0 2025 Lynx Shredder DS 850 E-TEC Turbo R 154 3.0
MSRP: $21,249
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2025 Lynx Shredder DS 850 E-TEC 154 3.0 2025 Lynx Shredder DS 850 E-TEC 154 3.0
MSRP: $17,949
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2025 Lynx Shredder RE 850 E-TEC 154 2.5 2025 Lynx Shredder RE 850 E-TEC 154 2.5
MSRP: $19,099
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2025 Lynx Shredder RE 850 E-TEC 154 3.0 2025 Lynx Shredder RE 850 E-TEC 154 3.0
MSRP: $19,299
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2025 Lynx Shredder RE 850 E-TEC Turbo R 154 3.0 2025 Lynx Shredder RE 850 E-TEC Turbo R 154 3.0
MSRP: $22,649
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2025 Ski-Doo Summit HCE 850 E-TEC Turbo R 154 2.5 2025 Ski-Doo Summit HCE 850 E-TEC Turbo R 154 2.5
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2025 Ski-Doo Summit X with Expert Package 850 E-TEC 154 3.0 2025 Ski-Doo Summit X with Expert Package 850 E-TEC 154 3.0
MSRP: $18,049
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2025 Ski-Doo Summit X with Expert Package 850 E-TEC Turbo R 154 3.0 2025 Ski-Doo Summit X with Expert Package 850 E-TEC Turbo R 154 3.0
MSRP: $21,349
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2025 Ski-Doo Summit X with Expert Package 850 E-TEC 154 2.5 2025 Ski-Doo Summit X with Expert Package 850 E-TEC 154 2.5
MSRP: $17,749
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2025 Ski-Doo Summit Adrenaline 850 E-TEC 154 2.5 2025 Ski-Doo Summit Adrenaline 850 E-TEC 154 2.5
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2025 Ski-Doo Summit Adrenaline 600R E-TEC 154 2.5 2025 Ski-Doo Summit Adrenaline 600R E-TEC 154 2.5
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2025 Ski-Doo Summit Adrenaline with Edge Package 850 E-TEC 154 2.5 2025 Ski-Doo Summit Adrenaline with Edge Package 850 E-TEC 154 2.5
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2025 Ski-Doo Summit Adrenaline with Edge Package 600R E-TEC 154 2.5 2025 Ski-Doo Summit Adrenaline with Edge Package 600R E-TEC 154 2.5
MSRP: $14,649
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2025 Ski-Doo Summit Adrenaline with Edge Package 850 E-TEC 154 3.0 2025 Ski-Doo Summit Adrenaline with Edge Package 850 E-TEC 154 3.0
MSRP: $16,199
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2025 Ski-Doo Freeride 154 850 E-TEC 2.5 2025 Ski-Doo Freeride 154 850 E-TEC 2.5
MSRP: $17,849
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2025 Ski-Doo Freeride 154 850 E-TEC Turbo R 2.5 2025 Ski-Doo Freeride 154 850 E-TEC Turbo R 2.5
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2025 Ski-Doo Freeride 154 850 E-TEC Turbo R 3.0 2025 Ski-Doo Freeride 154 850 E-TEC Turbo R 3.0
MSRP: $21,649
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2025 Ski-Doo Freeride 154 850 E-TEC 3.0 2025 Ski-Doo Freeride 154 850 E-TEC 3.0
MSRP: $18,149
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2025 Lynx Brutal RE 20 850 E-TEC 2025 Lynx Brutal RE 20 850 E-TEC
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2025 Lynx Brutal RE 20 900 ACE Turbo R 2025 Lynx Brutal RE 20 900 ACE Turbo R
MSRP: $19,999
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2025 Lynx Brutal RE 900 ACE Turbo R 2025 Lynx Brutal RE 900 ACE Turbo R
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2025 Polaris PRO-RMK 155 850 2025 Polaris PRO-RMK 155 850
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2025 Polaris PRO-RMK 155 9R 2025 Polaris PRO-RMK 155 9R
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2025 Polaris PRO-RMK 155 Boost 2025 Polaris PRO-RMK 155 Boost
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2025 Polaris RMK KHAOS 155 850 2025 Polaris RMK KHAOS 155 850
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2025 Polaris RMK KHAOS 155 9R 2025 Polaris RMK KHAOS 155 9R
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2025 Polaris RMK KHAOS 155 Boost 2025 Polaris RMK KHAOS 155 Boost
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2025 Polaris RMK SP 155 850 2025 Polaris RMK SP 155 850
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2025 Polaris RMK SP 155 650 2025 Polaris RMK SP 155 650
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2025 Yamaha Sidewinder M TX LE 153 2025 Yamaha Sidewinder M TX LE 153
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CLASSIFIEDS/INVENTORY - All | Polaris |

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SPECIFICATIONS (VIEW ALL SPECS)

Manufacturer Arctic Cat
Model M 858 Mountain Cat Alpha One
Year 2025
Class Mountain
Country of Origin USA
MSRP $18,999
Seat Specifications
Number Of Seats 1
Misc
Manufacturer Recommend Minimum Age
Introduction Year 2025
Major Revision Year 2025
Generic Type (Primary) Mountain
Manufacturer Country USA
Manufacturer Type Mountain
Generic Type 2
Track
Lug Height (in) 3
Track Length (in) 154
Track Width (in) 15
Rear Suspension
Rear Travel (in) 14.5
Rear Suspension Brand Name ALPHA-ONE
Adjustment Type Shock Mounted Adjustment
Dimensions
Length (in) 126.5
Minimum Ski Stance (in) 35
Height (in) 50
Price
Warranty (Months) 12
Warranty (Condition) Limited
Engine
Cylinders 2
Engine Stroke 2-Stroke
Displacement (cc) 858
Valve Configuration Reed Valve
Starter Pull
Engine Type In-Line
Cooling Liquid
Front Suspension
Front Travel (in) 7.6
Front Suspension Type Independent Double Wishbone
Adjustment Type Shock Mounted Adjustment
Capacities
Fuel Capacity (gal) 10.4
Transmission
Primary Drive (Rear Wheel) Belt
Transmission Type Continuously Variable (CVT)
Reverse Yes
Brakes
Rear Brake Type Hydraulic Disc
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PAYMENT CALCULATOR

Price: $ Down Payment: $ Interest Rate: % Loan Term: Years Monthly Payment Total Loan Cost

KEY DIFFERENTIATORS

The base price of the 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS Snowmobile is $18999. This is $573.47 more expensive than its competition.

 

The In-Line engine in the 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS Snowmobile has a displacement of 858 cc which is 2.79% more than its competition.

 

The 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS Snowmobile weighs 446 lbs which is 2.61% less than other Mountain models.

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Common Questions About the 2025 Arctic Cat M 858 Mountain Cat Alpha One 154 3.0 AWS

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