Newmar · Class A · Model-year overview
2026 Newmar Mountain Aire
The 2026 Mountain Aire was offered in four floor plans from about 38 to 45 feet on the Spartan K3 tag-axle chassis with 525 horsepower.
Fact-checked. An independent reviewer checked this page against its cited sources.
- Price when new
- $861,212
- Length
- Not documented
- Chassis
- Spartan K3 (tag axle)
- Engine
- 525 hp
About the price: "Starting at" price in the heading of Newmar's 2026 Mountain Aire page, read October 5, 2026. The floor plan cards on the same page show higher starting prices, from $871,424 (3823) to $897,916 (4551).
These values describe this model year and configuration. An individual coach can differ, so check it against the coach’s own records. “Not documented” means the encyclopedia does not have that fact yet.
Full specifications
- Model year
- 2026
- Variant
- Model-year overview
- Chassis maker
- Spartan
- Chassis
- K3 (tag axle)
- Engine maker
- Not documented
- Engine
- Not documented
- Displacement (L)
- Not documented
- Horsepower
- 525
- Torque (lb-ft)
- 1695
- Transmission
- Not documented
- Length (ft)
- Not documented
- Height (ft)
- Not documented
- Width (in)
- Not documented
- Slides
- Not documented
- Floorplan
- Not documented
- Generator maker
- Not documented
- Generator
- Not documented
- Generator (kW)
- Not documented
- Fuel (gal)
- Not documented
- Fresh water (gal)
- Not documented
- Gray water (gal)
- Not documented
- Black water (gal)
- Not documented
- Luxury systems
- Not documented
- Intended use
- Not documented
Floorplans offered in 2026
3823382541184551
Other 2026 records
What changed this year
Newmar lists new Chestnut wood options in suede and high-gloss finishes for 2026.
Notes
Floor plan starting prices on the page: 3823 $871,424; 3825 $874,236; 4118 $877,196; 4551 $897,916. Length and tanks vary by floor plan; see the floor plan 3823 record.
Brochures and sources
Links open the original page. Facts are checked against these sources; tell us if you find one that is out of date.
2026 Mountain Aire coaches for sale
See matching listings in the Motorcoach.direct marketplace.