2025 Thor Hurricane 29M vs 2025 Newmar Mountain Aire 4018

Before committing to the 2025 Thor Hurricane 29M or the 2025 Newmar Mountain Aire 4018, it pays to understand exactly where each one shines and where it falls short.

Specifications Comparison

Specification2025 Thor Hurricane 29M2025 Newmar Mountain Aire 4018Advantage
CategoryClass AClass A
Year20252025Tie
Length39 ft38 ft
Width8.5 ft8 ft
Height11.5 ft11 ft
Dry Weight22,000 lbs29,600 lbs
GVWR26,700 lbs32,300 lbs
Sleeping Capacity542025 Thor Hurricane 29M
Fresh Water119 gal88 gal2025 Thor Hurricane 29M
Gray Water41 gal58 gal2025 Newmar Mountain Aire 4018
Black Water37 gal38 gal2025 Newmar Mountain Aire 4018
Fuel Capacity103 gal92 gal2025 Thor Hurricane 29M
Horsepower340 hp428 hp2025 Newmar Mountain Aire 4018
EngineFord 6.8L V10Cummins L9
Slide-Outs422025 Thor Hurricane 29M
Solar550 W600 W2025 Newmar Mountain Aire 4018
Battery400 Ah400 AhTie
Inverter2,000 W2,500 W2025 Newmar Mountain Aire 4018
MSRP$624,000$615,0002025 Newmar Mountain Aire 4018

Detailed Comparison

Before committing to the 2025 Thor Hurricane 29M or the 2025 Newmar Mountain Aire 4018, it pays to understand exactly where each one shines and where it falls short.

Starting with size, the Thor Hurricane 29M measures 39.0 ft long and tips the scales at 22,000 lbs dry weight. The Newmar Mountain Aire 4018 comes in at 38.0 ft with a dry weight of 29,600 lbs.

The Thor Hurricane 29M sleeps 5 while the Newmar Mountain Aire 4018 accommodates 4. Slide-outs play a role in livability: the Thor Hurricane 29M has 4 and the Newmar Mountain Aire 4018 has 2.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Thor Hurricane 29M at 119 gallons versus 88 gallons. Solar-wise, you get 550W on the Thor Hurricane 29M and 600W on the Newmar Mountain Aire 4018. Battery banks are 400 Ah and 400 Ah.

At $624,000 MSRP for the Thor Hurricane 29M and $615,000 for the Newmar Mountain Aire 4018, the Newmar Mountain Aire 4018 saves you $9,000. With only a 1% price difference, the choice comes down to features rather than cost.

Boondockers: look at the fresh water capacity and solar/battery systems — they determine how long you can stay out. For the full-time RV lifestyle, every gallon of tank capacity and every inch of counter space counts.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.

Individual Overviews

2025 Thor Hurricane 29M

  • Category: Class A
  • Length: 39 ft
  • Weight: 22,000 lbs
  • Sleeps: 5
  • MSRP: $624,000
View Full Specs

2025 Newmar Mountain Aire 4018

  • Category: Class A
  • Length: 38 ft
  • Weight: 29,600 lbs
  • Sleeps: 4
  • MSRP: $615,000
View Full Specs