# Best transmission repair shops in Sealy

Data as of November 11, 2026. 6 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 |
|---|---|---|---|---|
| 1 | [Universal Automotive, LLC](https://bestautorepairshops.com/houston/universal-automotive-llc/) | Sealy | Diesel repair, Wheel alignment, Tire service | 67/100 |
| 2 | [Rennsport Porsche Works](https://bestautorepairshops.com/houston/rennsport-porsche-works/) | Sealy | Mercedes-Benz, Transmission repair, Oil change | 48/100 |
| 3 | [Fernandez & Sons Automotive](https://bestautorepairshops.com/houston/fernandez-and-sons-automotive/) | Sealy | Towing, Warranty on repairs, State inspection | 34/100 |
| 4 | [F'n Diesel](https://bestautorepairshops.com/houston/fn-diesel/) | Sealy | Ford, Diesel repair, Wheel alignment | 17/100 |
| 5 | [Valvoline Instant Oil Change](https://bestautorepairshops.com/houston/valvoline-instant-oil-change-sealy/) | Sealy | State inspection, Tire service, Transmission repair | 16/100 |
| 6 | [Callender Auto Repair](https://bestautorepairshops.com/houston/callender-auto-repair/) | Sealy | Transmission repair, Air conditioning repair, Engine diagnostics | 15/100 |

## 1. [Universal Automotive, LLC](https://bestautorepairshops.com/houston/universal-automotive-llc/)

Sealy · since 2007 · 4.8 rating from 175 reviews

- Review cadence: 15/25
- Review sentiment: 18/25
- Capabilities: 10/25
- Years of experience: 24/25
- Total: 67/100

## 2. [Rennsport Porsche Works](https://bestautorepairshops.com/houston/rennsport-porsche-works/)

Sealy · since 1978 · 4.9 rating from 36 reviews

- Review cadence: 4/25
- Review sentiment: 15/25
- Capabilities: 4/25
- Years of experience: 25/25
- Total: 48/100

## 3. [Fernandez & Sons Automotive](https://bestautorepairshops.com/houston/fernandez-and-sons-automotive/)

Sealy · reviewed since 2020 · 4.5 rating from 25 reviews

- Review cadence: 6/25
- Review sentiment: 6/25
- Capabilities: 11/25
- Years of experience: 11/25
- Total: 34/100

## 4. [F'n Diesel](https://bestautorepairshops.com/houston/fn-diesel/)

Sealy · reviewed since 2026 · 4.0 rating from 4 reviews

- Review cadence: 4/25
- Review sentiment: 2/25
- Capabilities: 11/25
- Years of experience: 0/25
- Total: 17/100

## 5. [Valvoline Instant Oil Change](https://bestautorepairshops.com/houston/valvoline-instant-oil-change-sealy/)

Sealy · reviewed since 2026 · 5.0 rating from 7 reviews

- Review cadence: 4/25
- Review sentiment: 6/25
- Capabilities: 6/25
- Years of experience: 0/25
- Total: 16/100

## 6. [Callender Auto Repair](https://bestautorepairshops.com/houston/callender-auto-repair/)

Sealy · reviewed since 2022 · 5.0 rating from 2 reviews

- Review cadence: 0/25
- Review sentiment: 3/25
- Capabilities: 6/25
- Years of experience: 6/25
- Total: 15/100

## Questions

**Which transmission repair shop in Sealy ranks highest?** [Universal Automotive, LLC](https://bestautorepairshops.com/houston/universal-automotive-llc/), with a score of 67 out of 100.

**Which transmission repair shop in Sealy has the most reviews in the last 12 months?** [Universal Automotive, LLC](https://bestautorepairshops.com/houston/universal-automotive-llc/), with 20 reviews in the last 12 months.

**Which transmission repair shop in Sealy has the highest Google rating?** [Valvoline Instant Oil Change](https://bestautorepairshops.com/houston/valvoline-instant-oil-change-sealy/), rated 5.0 from 7 reviews.

**Which transmission repair shop in Sealy has been open the longest?** [Rennsport Porsche Works](https://bestautorepairshops.com/houston/rennsport-porsche-works/), founded in 1978, going by the year it states itself.

**How many shops does this ranking include?** 6 shops, each scored out of 100 on review cadence, review sentiment, stated capabilities and years of experience.