2025 Tiffin Allegro Bus 40IP vs 2024 Monaco Marquis 43RL

Detailed Comparison

Before committing to the 2025 Tiffin Allegro Bus 40IP or the 2024 Monaco Marquis 43RL, it pays to understand exactly where each one shines and where it falls short.

The Tiffin Allegro Bus 40IP measures 29.0 ft in length at 19,900 lbs, compared to the Monaco Marquis 43RL's 39.5 ft and 26,000 lbs. GVWR ratings sit at 22,100 lbs and 28,800 lbs respectively.

The Tiffin Allegro Bus 40IP sleeps 6 while the Monaco Marquis 43RL accommodates 6. Slide-outs play a role in livability: the Tiffin Allegro Bus 40IP has 1 and the Monaco Marquis 43RL has 3.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Monaco Marquis 43RL at 110 gallons versus 92 gallons. Solar-wise, you get 400W on the Tiffin Allegro Bus 40IP and 300W on the Monaco Marquis 43RL. Battery banks are 250 Ah and 200 Ah.

At $424,000 MSRP for the Tiffin Allegro Bus 40IP and $429,000 for the Monaco Marquis 43RL, the Tiffin Allegro Bus 40IP saves you $5,000. With only a 1% price difference, the choice comes down to features rather than cost.

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.

Take these specs as a starting point, then go see them in person — there's no substitute for stepping inside.