If the door is the exact size, it will fit properly within the current door frame, just the front door can be replaced, with no need to replace the door frame
Exterior Fiberglass Doors: Everything You Need to Know - This Old
What is the Standard Front Door Size for Residential Homes
How to choose the perfect front door - Blog Renovation Find
How to Choose the Right Exterior Door - Fine Homebuilding
Can You Replace a Door and Not Replace the Frame?
How to Choose the Right Size for Your Front Door
How To Pick The Right Windows & Doors For Your Home - Improve
How To Pick The Right Windows & Doors For Your Home - Improve
How to Choose the Right Exterior Door - Fine Homebuilding
How to Choose the Right Size Wreath for Your Door
Tips to Choosing the Perfect Front Door for Your Home
How Much Does Door Installation Cost in 2023? - Bob Vila
Window Buyers Guide EcoTech Windows & Doors
9 Dos and Don'ts for Choosing the Best Front Door Color
Choosing the Right Garage Door Size for Your New Home