# Best diesel repair shops in Katy, page 2

Data as of November 11, 2026. Page 2 of 2. 22 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience. How the ranking works: [method](https://bestautorepairshops.com/method/) (markdown: https://bestautorepairshops.com/method/index.md).

| # | Shop | Neighbourhood | Known for | Score |
|---|---|---|---|---|
| 21 | [Down South Gas and Diesel Performance](https://bestautorepairshops.com/houston/down-south-gas-and-diesel-performance/) | Katy | Diesel repair, Transmission repair, Engine diagnostics | 21/100 |
| 22 | [motorlab](https://bestautorepairshops.com/houston/motorlab/) | Katy | Diesel repair, Transmission repair, Air conditioning repair | 8/100 |

## 21. [Down South Gas and Diesel Performance](https://bestautorepairshops.com/houston/down-south-gas-and-diesel-performance/)

Katy · reviewed since 2017 · 4.5 rating from 6 reviews

- Review cadence: 0/25
- Review sentiment: 2/25
- Capabilities: 6/25
- Years of experience: 13/25
- Total: 21/100

## 22. [motorlab](https://bestautorepairshops.com/houston/motorlab/)

Katy

- Review cadence: 0/25
- Review sentiment: 0/25
- Capabilities: 8/25
- Years of experience: 0/25
- Total: 8/100

Pages: [Previous page](https://bestautorepairshops.com/houston/katy/diesel/)

## Questions

**Which diesel repair shop in Katy ranks highest?** [Auto Check Elite](https://bestautorepairshops.com/houston/auto-check-elite/), with a score of 75 out of 100.

**Which diesel repair shop in Katy has the most reviews in the last 12 months?** [Christian Brothers Automotive North Katy](https://bestautorepairshops.com/houston/christian-brothers-automotive-north-katy/), with 80+ reviews in the last 12 months.

**Which diesel repair shop in Katy has the highest Google rating?** [Turquino Motors Services](https://bestautorepairshops.com/houston/turquino-motors-services/), rated 5.0 from 6 reviews.

**Which diesel repair shop in Katy has been open the longest?** [Auto Check Elite](https://bestautorepairshops.com/houston/auto-check-elite/), founded in 2016, going by the year it states itself.

**How many shops does this ranking include?** 22 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.