Inogen
Inogen One G5
$2,495Cheaper
Released 2019-04
Best Portable Oxygen Concentrators · head-to-head
Inogen One G5 vs Drive DeVilbiss Healthcare DeVilbiss iGo2
A sourced, side-by-side comparison. Inogen One G5 is cheaper at $2,495. Every spec and price links to its source.
Drive DeVilbiss Healthcare
Drive DeVilbiss Healthcare DeVilbiss iGo2
$3,399
Which is better: the Inogen One G5 or Drive DeVilbiss Healthcare DeVilbiss iGo2?
The Inogen One G5 wins 1 of the 1 specs we compare head to head; the other wins 0. The Inogen One G5 is the cheaper at $2,495. The Inogen One G5 both leads on specs and costs less — the straightforward pick.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec |  Inogen One G5 |  Drive DeVilbiss Healthcare DeVilbiss iGo2 |
|---|---|---|
| US price | $2,495 | $3,399 |
| Brand | Inogen | Drive DeVilbiss Healthcare |
| Released | 2019-04 | — |
| Oxygen output (ml) | 1260 | 1014 |
| Flow settings | 1–6 | 1–5 |
| Weight (lb) | 4.7 | 5 |
| Battery life (hr) | 13 | 5 |
| Delivery mode | pulse_dose | pulse_dose |
| Noise (dB) | 39 | 41 |
| Faa approved | Yes | Yes |
| Warranty (yr) | 3 | 5 |
Sources — Inogen One G5: oxygenconcentratorstore.com (verified 2026-11-05). Drive DeVilbiss Healthcare DeVilbiss iGo2: oxygenconcentratorstore.com (verified 2026-11-05).
What's the difference between the Inogen One G5 and Drive DeVilbiss Healthcare DeVilbiss iGo2?
Where the two actually differ on the specs we track (6 of 8). Matching specs are omitted.
- Oxygen output (ml): Inogen One G5 1260 vs Drive DeVilbiss Healthcare DeVilbiss iGo2 1014
- Flow settings: Inogen One G5 1–6 vs Drive DeVilbiss Healthcare DeVilbiss iGo2 1–5
- Weight (lb): Inogen One G5 4.7 vs Drive DeVilbiss Healthcare DeVilbiss iGo2 5
- Battery life (hr): Inogen One G5 13 vs Drive DeVilbiss Healthcare DeVilbiss iGo2 5
- Noise (dB): Inogen One G5 39 vs Drive DeVilbiss Healthcare DeVilbiss iGo2 41
- Warranty (yr): Inogen One G5 3 vs Drive DeVilbiss Healthcare DeVilbiss iGo2 5