For car, SUV and light-truck owners who want a sturdier, battery-powered alternative to a socket inflator for the trunk. Off-roaders airing up 33 in tires should step up to a 300P or 400P.
Amazon $89.89The VIAIR 88P rates 3.2 among heavy duty tire inflators; the VIAIR 85P rates 2.6 among 12 V plug-in ones. The VIAIR 85P costs $20.20 less ($69.69 vs $89.89).

For drivers of cars and small SUVs who want a durable, fast 12 V pump from an air-compressor specialist and don’t mind watching the gauge.
Amazon $69.69Prices were last checked October 22, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different type classes (heavy duty and 12 V plug-in), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | VIAIR 88P | VIAIR 85P |
|---|---|---|
| Overall rating | 3.2/5 | 2.6/5 |
| Value 35% | 98 $89.89 | 17 $69.69 |
| Airflow 30% | 20 55.8 L/min (maker) | 75 50.1 L/min (maker) |
| Features 20% | 44 runs 25 min at a time, 120 PSI max; no auto shutoff | 18 runs 20 min at a time, 60 PSI max; no auto shutoff |
| Warranty 15% | 0 1-year warranty | 0 1-year warranty |
Specifications
| VIAIR 88P | VIAIR 85P | |
|---|---|---|
| Inflating | ||
| Max pressure | 120 PSI | 60 PSI |
| Airflow (maker) | 55.8 L/min | 50.1 L/min |
| Auto shutoff | No | No |
| Duty cycle | 25 min on | 20 min on |
| Noise | 81 dB | 77 dB |
| Power | ||
| Power | Battery clamps | 12 V socket |
| Power bank | No | No |
| Power cord | 10 ft | 10 ft |
| Build | ||
| Air hose | 192 in | 36 in |
| Light | Yes | Yes |
| Dimensions | 9.8 x 3.2 x 5.6 in | 9.1 x 3.1 x 5.6 in |
| Weight | 4.8 lb | 4.3 lb |
| Warranty | 1 year | 1 year |