Class A
Tiffin Allegro 45 mp
Compare specs across all model years (2018–2020)
3
Model Years
8
Sleeps
45' 0"
Length
51,000
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2020 Allegro 45 mp
Best Choice
Highest Mint Score (28.8). Most powerful engine (450 HP).
What Changed Year-Over-Year
2018
2019
Larger Fresh Tank
Fresh water capacity changed from 90 to 100 gallons.
All Model Years
Best Value
2020
2020 Tiffin Allegro 45 mp
28.8
51,000 lbs GVWR
45' 0"
Sleeps 8
450 HP
View Full Specs
2019
2019 Tiffin Allegro 45 mp
28.8
51,000 lbs GVWR
45' 0"
Sleeps 8
450 HP
View Full Specs
2018
2018 Tiffin Allegro 45 mp
27.8
51,000 lbs GVWR
45' 0"
Sleeps 8
450 HP
Original model year
View Full Specs
Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.
Leave the Noise Behind.
Reconnect Outdoors.
Our mission is to help people make well-informed RV buying decisions, so they can leave the noise and screens behind, reconnect with family, and create unforgettable memories in the great outdoors.
Free tools. No sales pressure. Just better decisions.