Get ready to dominate the deep snow with the 2027 Arctic Cat M 858 154 2.6, built to deliver unmatched power and agility in the backcountry.
| MSRP | $18,199 |
|---|---|
| Freight | $800 |
| Setup | $200 |
| Documentation fee | $200 |
 | $19,399 |
Estimated out-the-door: $— (price + tax + licensing)
Sales tax and licensing are editable estimates (defaults: 9% off-road, 9.5% street; $191.75 licensing) — your actual amounts depend on your address and registration. Estimate for illustration only; not an offer or guarantee of financing, which depends on approved credit.
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The 2027 Arctic Cat MTN 858 154 2.6 is a Catalyst-chassis mountain snowmobile powered by the 858cc C-TEC2 two-stroke twin, an 85 mm x 75.6 mm liquid-cooled engine that delivers roughly 11% more power than the previous 800 C-TEC2. It rides on a 154-inch Power Claw track with a 2.6-inch lug and uses the AWS 36 front end with an Alpha One single-beam rear suspension. This base trim uses a manual pull start and a Sport gauge.
Interested in this one? Send your questions below and we'll get right back to you. A $500 deposit will hold it in your name — just say the word and we'll take it by phone.
This unit: 2027 ARCTIC CAT MTN 858 HCR 154 2.6 (Stock #A101370-C)
AIAsk anything about this 2027 MTN 858 HCR 154 2.6 — Empire AI answers straight from its official owner's manual, with the exact page.
Answers come from the official owner's manual. For anything urgent, call us at (509) 892-6368.
The biggest engine in the 850 class — an 858cc two-stroke twin on the light new Catalyst chassis, with the acclaimed Alpha One single-beam rear suspension. Here's the honest look against the mountain-sled benchmarks.
Arctic Cat858 Mountain Our pick | Ski-DooSummit X 850 E-TEC | PolarisRMK Khaos 850 | Ski-DooFreeride 850 | |
|---|---|---|---|---|
| Engine | 858cc twin | 849cc twin | 840cc twin | 849cc twin |
| Power approx. | ~180 hp* | ~165 hp | ~165 hp | ~165 hp |
| Mountain rear suspension | Alpha One single-beam | tMotion | React | tMotion |
| Chassis | Catalyst (light) | REV Gen5 | Matryx Slash | REV Gen5 |
| Track options | 154″ / 165″ | 154″/165″ | 155″/165″ | 146″/154″ |
| Price starting MSRP | from ~$16,999 | ~$16,949 | ~$16,799 | ~$16,499 |
The biggest engine in the class and the mountain skid riders rave about — the underdog that genuinely competes.
And the price is the price. Our advertised number already includes freight, setup and our documentation fee — only sales tax and title/registration are added.
The biggest engine in the class and the mountain skid riders rave about — the underdog that genuinely competes. At 858cc, the in-house two-stroke twin is the largest of the 850-class mountain sleds — Arctic Cat cites an 11% output gain over the previous 800, with strong low-end for deep-snow pulls.
Be honest: the Ski-Doo Summit and Polaris RMK dominate the mountain market — far bigger followings, dealer networks and aftermarket, and both are proven 165-hp benchmarks. Arctic Cat is the underdog, and it doesn't publish an official horsepower number. But the 858's displacement, the Alpha One skid and the new Catalyst chassis make it a genuine contender, often at a competitive price.
Empire Cycle & Powersports in Spokane Valley, WA stocks the Arctic Cat 858 Mountain with Up Front Pricing — freight, setup and our documentation fee are already in the advertised price. Text us at 509-498-3541 or browse the inventory online.
Figures are 2026 model-year from manufacturer and published sources; competitor specs and prices are approximate, vary by trim and market, and should be verified before purchase. MSRPs exclude tax and title/registration. Video links are independent third-party YouTube reviews for research; Empire Cycle & Powersports is not affiliated with the creators. Comparison by Empire Cycle & Powersports, Spokane Valley, WA.
Stock #: A101367-D-C
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The price you see already includes freight, setup and our documentation fee — only sales tax and title/registration are added. No hidden dealer add-ons, no games. It's the honest way to buy, and it's simply how we do it.
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