STP Premium Small Engine 4 Cycle Oil Formula
SAE10W-30 Small Engine Oil Engine Care Formula Reduces Wear for Lawnmower, Push Mower, Tractor, 32 Oz, STP
Price as of 2026-06-03. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Budget-conscious shoppers — priced below 90% of Motor Oil
- •Those who want a top-rated option — in the top 19% of Motor Oil by rating
- •Pennzoil 5W-30 Motor Oil — 56% cheaper at $6 (Score A+)
- •Liqui Moly 20226 Molygen New Generation 5W-30 Synthetic Motor — higher rated at 4.9/5 ($22)
📊 Based on data analysis of 58 products in this category.
Mubboo Score: A
How It Compares
This Product STP Premium Small Engine 4 Cycle Oil Formula | Most Popular Valvoline MaxLife High Mileage 5W-30 Synthetic Blend Motor | Best Rated Liqui Moly 20226 Molygen New Generation 5W-30 Synthetic Motor | Best Value Pennzoil 5W-30 Motor Oil | |
|---|---|---|---|---|
| Price | $13.99 | $19.97 | $22.22 | $6.17 |
| Rating | 4.8/5 | 4.8/5 | 4.9/5 | 4.8/5 |
| Reviews | 3,256 | 27,740 | 5,097 | 2,591 |
| Mubboo Score | A | A+ | A | A+ |
Quick Specs
- Size
- 32 OZ
- Unit Count
- 1.0 Count
- Flash Point
- 230 Degrees Celsius
- Manufacturer
- STP
- Model Number
- 18588
- Liquid Volume
- 32 Fluid Ounces
- Container Type
- Can
- Item Type Name
- Auto Performance
What People Say
Synthesized from 40 reviews · 100% verified purchases.
For older engines, high-mileage oils like Valvoline MaxLife can help reduce leaks and noise. Compare final cost as Amazon purchases may not qualify for manufacturer rebates, and note Castrol EDGE’s eco-pack can be harder to pour than jugs.
- Improved engine smoothness and quietness
- Good value and competitive price
- Dependable and reliable performance
- High mileage engine benefits
- Inconvenient eco-pack packaging
- No rebate eligibility on Amazon
Related Video Reviews
Key Features
- ✦SAE 10W-30 MOTOR OIL FOR SMALL ENGINES: One 32 fl oz bottle of STP Premium Synthetic Blend 4 Cycle Small Engine Oil SAE 10W-30, formulated for small engines in lawnmowers, generato…
- ✦ALL-WEATHER FORMULA: This 4 cycle engine oil is a synthetic blend with an all-weather formula that promotes easier starts all year and can be used in all seasons
- ✦FIGHTS THERMAL BREAKDOWN: Antioxidants fight thermal breakdown to enhance oil durability, helping the SAE 10W-30 oil handle high temperatures without losing its effectiveness
- ✦REDUCES ENGINE WEAR AND OIL CONSUMPTION: Anti-Wear Technology minimizes engine wear, while the viscosity index improver helps reduce oil consumption and provides consistent lubrica…
- ✦PREVENTS BUILDUP: Detergents help keep small engine components clean and control carbon deposits, preventing buildup that can affect performance and start-up
Source: product listing on Amazon.
About STP
- 9 products in our database
- Average rating: 4.7/5 across all products
- Price range: $6.64 – $45.95
- Categories: Fuel Additives, Motor Oil, Probiotic Supplements
Other Motor Oil
Bottom Line
STP Premium Small Engine 4 Cycle Oil Formula earns Mubboo Score A. Priced at $14 — a budget-friendly option, below the category average of $32. Rated 4.8/5 from 3,256+ reviews. Strong buy if: budget-conscious shoppers, those who want a top-rated option.
Frequently Asked Questions
Is the STP Premium Small Engine 4 Cycle Oil Formula worth buying in 2026?
It earns a Mubboo Score of A, with a 4.8/5 rating from 3,256 reviews — better than 81% of Motor Oil we track.
How much does the STP Premium Small Engine 4 Cycle Oil Formula cost?
It is currently $13.99 — budget-tier pricing for Motor Oil.
How does the Premium Small Engine 4 Cycle Oil Formula compare to other Motor Oil?
The category's most-reviewed alternative is the Valvoline MaxLife High Mileage 5W-30 Synthetic Blend Motor (4.8/5, 27,740 reviews, $19.97). The Premium Small Engine 4 Cycle Oil Formula carries a Mubboo Score of A vs A+.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-03) and may change.