Travel Trailer
Heartland Mallard M185
Compare specs across all model years (2018–2021)
4
Model Years
6
Sleeps
21' 11"
Length
4,450
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2020 Mallard M185
Best Choice
Lightest GVWR (4,450 lbs) makes it towable by more vehicles. Highest Mint Score (30.1).
What Changed Year-Over-Year
2019
2020
Tank Capacity Change
Fresh water capacity changed from 52 to 45 gallons.
All Model Years
2021
2021 Heartland Mallard M185
29.9
4,450 lbs GVWR
484 lbs Hitch
21' 11"
Sleeps 6
View Full Specs
Check Towing
Best Value
2020
2020 Heartland Mallard M185
30.1
4,450 lbs GVWR
484 lbs Hitch
21' 11"
Sleeps 6
View Full Specs
Check Towing
2019
2019 Heartland Mallard M185
29.4
4,450 lbs GVWR
484 lbs Hitch
21' 11"
Sleeps 6
View Full Specs
Check Towing
2018
2018 Heartland Mallard M185
29.1
4,450 lbs GVWR
484 lbs Hitch
21' 11"
Sleeps 6
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Mallard M185?
Enter your truck specs to see if any of these model years fit your towing capacity—and which year gives you the most safety margin.
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.