2024 Tiffin Allegro Bus 37AP vs 2025 Tiffin Allegro Bus 40IP

The 2024 Tiffin Allegro Bus 37AP and 2025 Tiffin Allegro Bus 40IP might look similar on paper, but dig into the details and you'll find meaningful differences.

Specifications Comparison

Specification2024 Tiffin Allegro Bus 37AP2025 Tiffin Allegro Bus 40IPAdvantage
CategoryClass AClass A
Year202420252025 Tiffin Allegro Bus 40IP
Length34.5 ft29 ft
Width8.5 ft8 ft
Height11.5 ft12.5 ft
Dry Weight26,200 lbs19,900 lbs
GVWR30,800 lbs22,100 lbs
Sleeping Capacity862024 Tiffin Allegro Bus 37AP
Fresh Water97 gal92 gal2024 Tiffin Allegro Bus 37AP
Gray Water42 gal53 gal2025 Tiffin Allegro Bus 40IP
Black Water40 gal43 gal2025 Tiffin Allegro Bus 40IP
Fuel Capacity123 gal88 gal2024 Tiffin Allegro Bus 37AP
Horsepower402 hp332 hp2024 Tiffin Allegro Bus 37AP
EngineCummins ISB 6.7LFord 6.8L V10
Slide-Outs212024 Tiffin Allegro Bus 37AP
Solar500 W400 W2024 Tiffin Allegro Bus 37AP
Battery200 Ah250 Ah2025 Tiffin Allegro Bus 40IP
Inverter1,000 W2,000 W2025 Tiffin Allegro Bus 40IP
MSRP$345,000$424,0002024 Tiffin Allegro Bus 37AP

Detailed Comparison

The 2024 Tiffin Allegro Bus 37AP and 2025 Tiffin Allegro Bus 40IP might look similar on paper, but dig into the details and you'll find meaningful differences.

Dimensionally, you're looking at 34.5 ft for the Tiffin Allegro Bus 37AP and 29.0 ft for the Tiffin Allegro Bus 40IP. The Tiffin Allegro Bus 37AP carries an extra 6,300 lbs, which affects tow vehicle requirements and fuel economy.

For sleeping arrangements, the Tiffin Allegro Bus 37AP offers room for 8 and the Tiffin Allegro Bus 40IP can handle 6. The Tiffin Allegro Bus 37AP benefits from 2 slide-out(s), expanding the interior when parked.

Looking at self-sufficiency, the Tiffin Allegro Bus 37AP packs 97 gal of fresh water and 500W of solar. The Tiffin Allegro Bus 40IP counters with 92 gal fresh water and 400W solar.

Price is often the deciding factor. The Tiffin Allegro Bus 37AP starts at $345,000 MSRP, while the Tiffin Allegro Bus 40IP commands $424,000 — a $79,000 gap. That's a significant 23% premium you'll need to justify.

Families with kids will appreciate the extra sleeping capacity and living space. Off-grid campers should pay close attention to solar wattage, battery capacity, and tank sizes. Full-timers should prioritize tank capacity, storage, and overall living comfort.

Remember, the perfect RV is the one you'll actually use. Pick the one that excites you most and hit the road.

Individual Overviews

2024 Tiffin Allegro Bus 37AP

  • Category: Class A
  • Length: 34.5 ft
  • Weight: 26,200 lbs
  • Sleeps: 8
  • MSRP: $345,000
View Full Specs

2025 Tiffin Allegro Bus 40IP

  • Category: Class A
  • Length: 29 ft
  • Weight: 19,900 lbs
  • Sleeps: 6
  • MSRP: $424,000
View Full Specs