2024 Keystone Passport 229RK vs 2025 Heartland Mallard M25

Detailed Comparison

Two popular options on many shoppers' shortlists — the 2024 Keystone Passport 229RK and the 2025 Heartland Mallard M25. Let's see how they compare across the specs that matter most.

Starting with size, the Keystone Passport 229RK measures 20.0 ft long and tips the scales at 7,100 lbs dry weight. The Heartland Mallard M25 comes in at 29.5 ft with a dry weight of 7,800 lbs. That gives the Heartland Mallard M25 roughly 9.5 extra feet of length.

The Keystone Passport 229RK sleeps 5 while the Heartland Mallard M25 accommodates 8. Slide-outs play a role in livability: the Keystone Passport 229RK has 2 and the Heartland Mallard M25 has 1.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Keystone Passport 229RK at 49 gallons versus 46 gallons. Solar-wise, you get 350W on the Keystone Passport 229RK and 150W on the Heartland Mallard M25. Battery banks are 50 Ah and 100 Ah.

At $99,000 MSRP for the Keystone Passport 229RK and $99,000 for the Heartland Mallard M25, the Heartland Mallard M25 saves you $0. With only a 0% 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. If you're a weekend camper, don't over-buy — the smaller, lighter model may serve you perfectly.

The numbers tell one story, but the feel of a floor plan is personal. Schedule a walkthrough before you decide.