Feature Comparison
| Capability | GPS-Only Tracker | OBD-2 Telematics |
|---|---|---|
| Real-time location | Yes | Yes |
| Trip history | Yes | Yes |
| Geofencing | Yes | Yes |
| Engine diagnostics (DTCs) | No | Yes |
| True odometer reading | No (estimated) | Yes (from ECU) |
| Fuel consumption data | No (estimated) | Yes (from ECU) |
| Harsh driving events | Basic (GPS-derived) | Precise (accelerometer + ECU) |
| Predictive maintenance | No | Yes |
| Works on trailers/assets | Yes | No (needs OBD port) |
Cost Comparison (20-Vehicle Fleet, Annual)
| Cost Item | GPS-Only | OBD-2 Telematics |
|---|---|---|
| Hardware (one-time) | $1,500–$3,000 | $2,000–$4,000 |
| Monthly subscription | $2,400–$4,800/yr | $4,800–$9,600/yr |
| Installation | $0 (self-install) | $0–$3,000 |
| Total Year 1 | $3,900–$7,800 | $6,800–$16,600 |
When GPS-Only Is Enough
If your primary need is knowing where vehicles are, proving customer arrival times, and basic geofencing — GPS-only trackers deliver great value. This is common for service fleets, sales teams, and trailer tracking.
When to Upgrade to OBD-2
When maintenance costs, fuel waste, or safety liability are your top pain points, OBD-2 telematics pays for the premium. The diagnostic data alone can save $200–$500/vehicle/year in avoided breakdowns.
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