AutoLine Pro Shop Series Plus
The Shop Series with its own air motor, for owners without a compressor. It suits vacuum and intake leaks; the maker does not list an EVAP-safe pressure.
Amazon $79.99$79.99
The AutoLine Pro Shop Series Plus is the better automotive smoke machine overall, rated 3.4 to 3.3. The AutoLine Pro Shop Series Plus costs $16 less ($79.99 vs $95.99).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Solary SD302
A mid-price gauge-equipped machine for vacuum and intake leaks. Solary does not publish its output pressure, so check it before testing an EVAP system.
Amazon $95.99$95.99
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every no EVAP mode stated automotive smoke machine; a clear win is highlighted. How we rank explains each one.
| Factor weight | AutoLine Pro Shop Series Plus | Solary SD302 |
|---|---|---|
| Overall rating | 3.4/5 | 3.3/5 |
| Value 30% | 81 $79.99 | 74 $95.99 |
| Pressure coverage 25% | 50 pressure not published (neutral score used) | 50 pressure not published (neutral score used) |
| Measurement 20% | 0 no gauge or flow meter listed, scored as none | 40 pressure gauge |
| Features 15% | 45 built-in air pump, fluid included | 50 built-in air pump, air-only mode |
| Warranty 10% | 100 lifetime warranty | 0 warranty not published, scored as none |
Specifications
| AutoLine Pro Shop Series Plus | Solary SD302 | |
|---|---|---|
| Pressure and smoke | ||
| Pressure display | - | Gauge |
| Air-only mode | - | Yes |
| Power and fluid | ||
| Air source | Built-in pump | Built-in pump |
| Power | - | 12V battery |
| Smoke fluid | maker fluid | - |
| Fluid included | Yes | - |
| In the box | ||
| Warranty | Lifetime | - |