For this mid‑range Garmin choice, pick Forerunner 245 if you want music and deeper training tools; choose Forerunner 55 for a lower price and longer watch battery.
Forerunner 55
Forerunner 245
Best Budget Route
- Lowest price with core run tools
- Two‑week watch battery
- Daily suggestions build consistency
Forerunner 55
Balanced Route With Music
- Offline music on 245 Music
- Training Status & Load metrics
- Pulse Ox and Wi‑Fi (Music model)
Forerunner 245 / 245 Music
Picking a running watch shapes how you train, recover, and track progress. These two Garmins do the same jobs with different strengths: one keeps cost low and battery high; the other adds music and richer training detail. Use this guide for a fast verdict and the few trade‑offs that decide the winner for you.
In A Nutshell
The Forerunner 55 is the easy, budget‑friendly fit. It nails the basics, stretches to two weeks per charge in watch mode, and includes PacePro plans and daily workout suggestions. The Forerunner 245 steps up with Training Status/Load, Pulse Ox, and an optional Music version with storage and Wi‑Fi. If you care more about coaching and value, go 55; if you want on‑watch music and deeper training metrics, the 245 is the better match.
Side‑By‑Side Specs
Forerunner 55 — What We Like / What We Don’t Like
✅ What We Like
- Two‑week watch battery keeps nightly charging off your list.
- Daily Suggested Workouts adapt from your recent runs and recovery.
- PacePro plans help you hold even splits on race day.
- Lightweight case and 20 mm quick‑release bands fit most wrists.
⚠️ What We Don’t Like
- No on‑watch music; you’ll carry your phone for tunes.
- No Pulse Ox or Training Status/Load for longer‑term planning.
- Smaller 1.04″ display shows less data per screen.
Forerunner 245 — What We Like / What We Don’t Like
✅ What We Like
- Optional Music model stores ~500 songs and syncs playlists over Wi‑Fi.
- Training Status and Training Load give long‑view context to your runs.
- Pulse Ox adds SpO₂ snapshots for sleep and altitude days.
- Higher‑res 1.2″ screen fits more fields at a glance.
⚠️ What We Don’t Like
- Shorter watch‑mode battery than the 55.
- Discontinued on Garmin’s storefront; new units can be harder to find.
- Music, Wi‑Fi, and Pulse Ox raise price and power draw.
ℹ️ Good To Know: PacePro plans are built in the Garmin Connect app, then sent to the watch. On the 55, guidance is based on your selected course or distance; you don’t build the plan on‑device.
Forerunner 245 Or 55: Which Fits You Better
Performance & Speed
Both watches lock onto satellites fast and support GPS‑only, GPS+GLONASS, and GPS+GALILEO. That combo helps in tree cover and urban canyons without pushing you into multi‑band hardware tiers. You can switch modes per activity if you want maximum runtime on long days, or better signal in tough spots. (See each device’s GPS settings in its owner’s manual.)
Display & Build
The 55 uses a 1.04″ MIP panel at 208×208 pixels, which saves power and stays legible in sun. The 245 steps up to 1.2″ at 240×240, so you can add extra data fields without shrinking fonts as much. Cases are similar in size and both use 20 mm quick‑release bands, so swapping straps is a two‑second job—handy for moving from rubber to nylon for race day.
Battery & Runtime
If you hate charging, the 55 is the easier life: up to two weeks in watch mode and up to 20 hours with GPS. The 245 goes about a week in watch mode and up to 24 hours with GPS; the Music model lands around six hours if you stream stored songs while tracking. Pick the 55 for everyday longevity, the 245 for longer GPS sessions or music‑with‑GPS on mid‑length runs.
Cameras & Sensors
No cameras here; the sensor story matters. The 245 offers Pulse Ox for spot checks and sleep snapshots. It also unlocks Training Status and Training Load when you log enough outdoor runs with heart‑rate data. The 55 focuses on the basics—wrist HR, Body Battery, stress, respiration—and gives you Recovery Time after runs. If you’re building toward periodized training or want a week‑over‑week load view, that’s a point to the 245; if you just want clear run guidance and next‑run ideas without a lab’s worth of stats, the 55 is enough.
Software & Updates
Both pair with the Garmin Connect app for summaries, plans, and safety features. Incident Detection and Assistance share your location with emergency contacts when your phone is connected and the watch detects a problem during outdoor run, walk, or bike. Daily Suggested Workouts and Garmin Coach plans help new runners add structure without spreadsheets. PacePro guidance generates split targets based on distance and elevation so you avoid early blow‑ups on hilly routes.
Want to dig deeper? Read Garmin’s help pages on PacePro guidance and Daily Suggested Workouts. For long‑view training metrics on the 245, see the manual section covering Training Status.
Pricing & Packages
The 55’s U.S. list is $199.99. The 245 launched at $299.99 for the base model and $349.99 for the Music version, and it’s now discontinued on Garmin’s site, so pricing in the wild varies. If you want brand‑new with warranty from Garmin, the 55 is the sure path; if you’re comfortable with refurbished or remaining retail stock, the 245/245 Music can be a value swing—especially if music storage or training metrics will actually get used.
Price, Value & Ownership
Interpretation: the 55 wins on up‑front cost and watch‑mode battery. The 245/245 Music earns its keep only if you’ll use on‑watch audio and long‑view training analysis; otherwise, you’re paying for features you won’t touch.
Where Each One Wins
🏆 Music Without Phone — Forerunner 245 Music
🏆 Training Status/Load — Forerunner 245
🏆 Watch‑Mode Battery — Forerunner 55
🏆 Screen Real Estate — Forerunner 245
Decision Guide
✅ Choose Forerunner 55 If…
- You want Garmin’s run basics with the lowest new price.
- You value two‑week watch battery and simple charging habits.
- You’ll use Daily Suggestions and PacePro plans more than on‑watch music.
✅ Choose Forerunner 245 If…
- You want Training Status/Load to steer blocks and cut risk of overdoing it.
- You prefer phone‑free music during workouts and Wi‑Fi playlist syncs.
- You don’t mind shorter watch‑mode battery and the hunt for remaining stock.
Best Pick For Most Runners
If you’re buying new today and want the clearest value, start with the Forerunner 55. It costs less, lasts longer between charges, and still gives you race‑day tools like PacePro and coach‑guided plans. Move to the Forerunner 245 only if two things are true: you will store music on the watch and you’ll act on Training Status/Load to shape your weeks. If those perks will sit unused, save the money and enjoy the 55.
Sources worth a closer look: Garmin’s product pages for Forerunner 55 and Forerunner 245; Garmin manuals on Training Status, Recovery Time, and Incident Detection; Garmin help on PacePro and Daily Suggested Workouts. For specs like display size/resolution, battery, and weight, see Garmin’s regional pages for FR 55 and FR 245 Music. Launch prices were widely reported at $299.99/$349.99 for the 245/245 Music and $199.99 for the 55 by outlets like TechRadar and Ars Technica.