Photo by Chris Hunkeler from Carlsbad, California, USA via Wikimedia Commons (https://commons.wikimedia.org/wiki/File:Ruggedized_Recreational_Vehicle_(15234698814).jpg) (CC BY-SA 2.0)
2025 Newmar London Aire 4551
by Newmar
Full Specifications
General Info
| Manufacturer | Newmar |
| Country of Origin | USA |
| Year | 2025 |
| Category | Class A |
| Subcategory | Diesel Pusher |
Dimensions & Weight
| Length | 35.5 ft |
| Width | 8.5 ft |
| Height | 11 ft |
| Dry Weight | 17,700 lbs |
| GVWR | 19,800 lbs |
| Hitch Weight | — |
| Cargo Capacity | 2,100 lbs |
Engine & Chassis
| Fuel Type | Gas |
| Engine | Chevrolet 6.0L V8 |
| Chassis | Chevrolet G4500 |
| Horsepower | 355 hp |
| Fuel Capacity | 114 gal |
Living & Off-Grid
| Sleeping Capacity | 4 |
| Slide-Outs | 4 |
| Awning Length | 16.5 ft |
| A/C | 15,000 BTU |
| Furnace | 16,000 BTU |
| Fridge | 2-way (LP/Electric) |
| Fresh Water | 73 gal |
| Gray Water | 72 gal |
| Black Water | 43 gal |
| Solar | 200 W |
| Battery | 250 Ah |
| Inverter | 1,500 W |
About the 2025 Newmar London Aire 4551
Newmar has long been a force in the Class A motorhome market, and the 2025 2025 Newmar London Aire 4551 showcases exactly why. From its commanding road presence to its thoughtfully appointed interior, this coach is built to impress.
At 35.5 feet long, a width of 8.5 feet and standing 11.0 feet tall, the 2025 Newmar London Aire 4551 tips the scales at 17,700 pounds dry weight, and a gross vehicle weight rating of 19,800 pounds, leaving you 2,100 lbs of cargo carrying capacity. Equipped with 4 slide-outs, the 2025 Newmar London Aire 4551 provides noticeably more elbow room at your campsite.
With room for 4 occupants to sleep, the 2025 Newmar London Aire 4551 strikes a practical balance between living space and sleeping arrangements. During the day, the sleeping areas convert into usable seating and dining zones that make the interior feel open and inviting.
Boondocking enthusiasts will value the a 73-gallon fresh water tank, 72 gallons of gray water holding, a 43-gallon black water tank. Energy management is handled by a 200W solar panel setup, 250 amp-hours of battery storage, a 1500-watt inverter for household AC power. 15,000 BTU of air conditioning handles warm-weather comfort, while a 16,000 BTU furnace ensures warmth during cold nights. Food storage is handled by a 2-way (LP/Electric) fridge. Outside, a 16.5-foot power awning provides welcome shade for outdoor dining and relaxation.
Power comes from a Chevrolet 6.0L V8, paired with the proven Chevrolet G4500 platform, rated at 355 horsepower. The Gas fuel tank holds 114 gallons, providing solid cruising range between fill-ups.
The $359,000 price tag reflects the no-compromise approach Newmar takes with this flagship model, using premium materials and craftsmanship throughout. The 2025 Newmar London Aire 4551 suits small families and couples who occasionally bring friends along. It handles the needs of three to four travelers without feeling overcrowded or requiring compromises on comfort.
The 2025 2025 Newmar London Aire 4551 stands as a testament to what Newmar brings to the Class A segment. With its combination of thoughtful design and practical features, it earns serious consideration from anyone shopping in this class.
Step inside the 2025 Newmar London Aire 4551 and discover a rolling home that rivals many residential apartments in amenities and comfort.
The floor plan maximizes every inch of the 35.5-foot body with 4 slide-out(s). Dual AC units totaling 15,000 BTU keep the interior comfortable in any climate, while the 16,000 BTU furnace handles cold weather with ease.
Built on the robust Chevrolet G4500 chassis with 355 horsepower, towing a vehicle behind is effortless. At a starting MSRP of $359,000, the 2025 Newmar London Aire 4551 delivers exceptional value for a coach of this caliber.