
Castrol
Brand Score B+5 products · 1 categories · Avg 4.8★ · 41,622 reviews
Price range $25 – $32
Last analyzed: August 11, 2026
Quick Take on Castrol
Score: B+- •Only 0% of products fall below 4 stars — rare misses across the lineup
- •42K buyer reviews across the lineup — a well-established track record
- •A specialist in Motor Oil (4.8★ average) rather than a generalist
- •A narrow lineup (1 category) — limited options if you want range

Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil
4.8★ with 13K reviews — top-rated in Motor Oil
Brand Score: B+
B+ in Motor Oil — Castrol's 5 products average 4.8★ across 1 category, with Motor Oil as the strongest line (4.8★ avg).
Castrol earns a Brand Score of B+ on Mubboo, based on analysis of 5 products across 1 category. Quality consistency (100/100) is the brand's strongest dimension, with 100% of products rated 4 stars or above. Category depth (13/100) is the area with the most room for improvement. Castrol's primary strength is in Motor Oil, where it averages 4.8★.
How we calculate Brand Score
Quality Consistency (40%): percentage of products rated 4+ stars
Market Presence (25%): total review volume, log-scaled
Value Positioning (20%): average price vs category average
Category Depth (15%): number of active product categories
Based on 5 Castrol products available to US shoppers · last analyzed August 11, 2026.
Our Top 3 from Castrol

Castrol EDGE 5W-30 Advanced Full Synthetic Motor Oil
4.8★ with 13K reviews — top-rated in Motor Oil

Castrol GTX High Mileage 5W-30 Synthetic Blend Motor Oil
4.8★ with 8.4K reviews — top-rated in Motor Oil

Castrol EDGE 0W-20 Advanced Full Synthetic Motor Oil
4.8★ with 9.2K reviews — top-rated in Motor Oil
Where Castrol Is Strongest
Motor Oil
View all →What You'll Spend on Castrol
Most Castrol products fall between $25 and $32.
Castrol prices in line with the category average — a balanced mix of cost and quality.
What People Say About Castrol
Aggregated from review themes across 5 Castrol products.
- Engine runs smoother and quieter
- Great value for money
- Excellent engine protection and cleanliness
- Packaging in a bag is difficult to pour
- No mail-in rebates when purchased through Amazon
Where to Buy Castrol
Castrol products are available on Amazon — 5 products across 1 categories.
Browse Castrol on Amazon →Featured in Our Reviews
Brand Bottom Line
- Brand Score
- B+
- Best Product
- EDGE 5W-30 Advanced Full Synthetic Motor Oil ($32) Buy on Amazon →
- Price Level
- Mid-range — near category average
- Quality
- 100% of products rated 4+★
- Best For
- Value-focused buyers who still want reliability
- Alternatives
- see category page
Castrol delivers dependable value — start with its best-reviewed products. Start with the EDGE 5W-30 Advanced Full Synthetic Motor Oil.
Frequently Asked Questions
Is Castrol a good brand?
Castrol earns a Brand Score of B+ on Mubboo. 100% of its 5 products are rated 4 stars or above, which puts it among the most consistent brands in Motor Oil. The main consideration is pricing — Castrol products average $27, in line with the category average.
What is the best Castrol product to buy?
Based on 13K reviews and a Mubboo Score of A+, the EDGE 5W-30 Advanced Full Synthetic Motor Oil ($32) is Castrol's top pick. For a budget option, the GTX High Mileage 5W-30 Synthetic Blend Motor Oil ($25) delivers 4.8★ at 23% of the cost.
Is Castrol worth the premium price?
Castrol prices close to the category average ($27 vs $25), so you're not paying a brand premium.
Sources & References
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Brand Score, product rankings, or editorial judgments.

