2025 Grand Design Imagine 3100RD vs 2024 Forest River Flagstaff E-Pro 20BHS

Detailed Comparison

Both the 2025 Grand Design Imagine 3100RD and the 2024 Forest River Flagstaff E-Pro 20BHS have loyal followings, and for good reason. Here's an objective look at how they measure up.

In terms of footprint, the Grand Design Imagine 3100RD stretches 28.5 ft while the Forest River Flagstaff E-Pro 20BHS spans 37.5 ft. Weight-wise, the Grand Design Imagine 3100RD is the lighter rig at 3,500 lbs versus 8,900 lbs.

The Grand Design Imagine 3100RD sleeps 2 while the Forest River Flagstaff E-Pro 20BHS accommodates 9. Slide-outs play a role in livability: the Grand Design Imagine 3100RD has 3 and the Forest River Flagstaff E-Pro 20BHS has 1.

For boondocking enthusiasts, tank sizes matter. Fresh water capacity goes to the Grand Design Imagine 3100RD at 46 gallons versus 22 gallons. Solar-wise, you get 400W on the Grand Design Imagine 3100RD and 150W on the Forest River Flagstaff E-Pro 20BHS. Battery banks are 50 Ah and 150 Ah.

At $71,000 MSRP for the Grand Design Imagine 3100RD and $72,000 for the Forest River Flagstaff E-Pro 20BHS, the Grand Design Imagine 3100RD saves you $1,000. 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.

Both options have earned their place in the market. Your trip style and budget should be the final tiebreakers.