2025 Newmar Dutch Star 4081 vs 2025 Newmar London Aire 4551

Detailed Comparison

Two popular options on many shoppers' shortlists — the 2025 Newmar Dutch Star 4081 and the 2025 Newmar London Aire 4551. Let's see how they compare across the specs that matter most.

Starting with size, the Newmar Dutch Star 4081 measures 41.0 ft long and tips the scales at 21,700 lbs dry weight. The Newmar London Aire 4551 comes in at 35.5 ft with a dry weight of 17,700 lbs. That gives the Newmar Dutch Star 4081 roughly 5.5 extra feet of length.

The Newmar Dutch Star 4081 sleeps 6 while the Newmar London Aire 4551 accommodates 4. Slide-outs play a role in livability: the Newmar Dutch Star 4081 has 1 and the Newmar London Aire 4551 has 4.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Newmar Dutch Star 4081 at 116 gallons versus 73 gallons. Solar-wise, you get 200W on the Newmar Dutch Star 4081 and 200W on the Newmar London Aire 4551. Battery banks are 350 Ah and 250 Ah.

At $418,000 MSRP for the Newmar Dutch Star 4081 and $359,000 for the Newmar London Aire 4551, the Newmar London Aire 4551 saves you $59,000.

If you're traveling with a family, look for the model with more sleeping positions and better storage. 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.