Last updated: 2026-10-10
Buick Encore GX vs Mazda CX-30: Reliability Compared

Buick Encore GX

Mazda CX-30
The Buick Encore GX comes out ahead of the Mazda CX-30 on reliability, with a clear edge. Both rate good, but the CX-30 has more federal recalls and more crash-linked brake and air bag complaints. The Encore GX's main trouble is a false "Shift to Park" warning.
How Do the Buick Encore GX and Mazda CX-30 Generations Compare?
Verdict
The Buick Encore GX is more reliable than the Mazda CX-30, scoring 76/100 vs 67/100.
A clear edge goes to the Encore GX, though both cars hold a good standing. It has fewer federal recalls, and its worst problem, a false "Shift to Park" warning, is mostly a nuisance and a rollaway worry. The CX-30 has more crash-linked trouble in its brakes and air bags, including emergency braking that stops the car with nothing ahead. The Encore GX is not trouble-free, since it has real brake and turbocharger complaints too.
Key Differences
- 1Buick Encore GX scores 9 points higher in reliability
- 2Buick Encore GX has 4 fewer total recalls
- 3Mazda CX-30 has 0.7 fewer complaints per 10k sold
Category Scoreboard
Buick Encore GX vs Mazda CX-30: Which Is More Reliable?
| Metric | Buick Encore GX | Mazda CX-30 |
|---|---|---|
| Reliability Score | 76/100 | 67/100 |
| Years Tracked | 7 | 7 |
| Total Recalls | 6 | 10 |
| Complaints per 10k Sold | 6.4 | 5.7 |
| Safety RatingNHTSA overall | 2026 NHTSA | 2026 NHTSA |
| Frontal | ||
| Side | ||
| Rollover | ||
| Year Wins | 7 | 0 |
What Are the Common Problems With the Buick Encore GX and Mazda CX-30?
Safety systems acting on their own set the CX-30 apart. Automatic emergency braking has stopped cars with nothing ahead, and air bags have deployed with no crash. Brakes carry 6 crash-linked complaints and air bags 4. Oil warnings, oil loss, and sudden loss of electrical power round out its list. The Encore GX is led by the false "Shift to Park" warning, which leaves the engine on and the horn honking. Its brake complaints, a stiff pedal and delayed stops, include 2 crash-linked reports. Air bags are not among its main problem areas.
| Component | Buick Encore GX | Mazda CX-30 |
|---|---|---|
| ELECTRICAL SYSTEM | 1.2Low | 0.8Very Low |
| ENGINE | 0.7Very Low | 1.2Low |
| POWER TRAIN | 1.4Low | 0.3Very Low |
| UNKNOWN OR OTHER | 0.9Very Low | 0.7Very Low |
| SERVICE BRAKES | 0.6Very Low | 0.4Very Low |
| AIR BAGS | 0.1Very Low | 0.3Very Low |
| STEERING | 0.2Very Low | 0.1Very Low |
| VEHICLE SPEED CONTROL | 0.1Very Low | 0.2Very Low |
| VISIBILITY/WIPER | —None | 0.3Very Low |
| ENGINE AND ENGINE COOLING | 0.2Very Low | —None |
| FORWARD COLLISION AVOIDANCE | —None | 0.2Very Low |
| EXTERIOR LIGHTING | 0.1Very Low | —None |
| FUEL/PROPULSION SYSTEM | 0.1Very Low | —None |
| EQUIPMENT | 0.1Very Low | —None |
| SUSPENSION | —None | 0.1Very Low |
| LANE DEPARTURE | —None | 0.1Very Low |
| STRUCTURE | —None | 0.1Very Low |
| WHEELS | —None | 0.1Very Low |
| SEATS | —None | 0.1Very Low |
Complaints per 10,000 units sold, aggregated across all tracked model years from NHTSA owner reports.
How Does Buick Encore GX vs Mazda CX-30 Reliability Compare by Year?
| Year | Buick Encore GX | Mazda CX-30 | Edge |
|---|---|---|---|
| 2026 | 82/1000R / 1C | 72/1000R / 0C | Buick Encore GX |
| 2025 | 79/1000R / 14C | 68/1001R / 22C | Buick Encore GX |
| 2024 | 77/1001R / 27C | 68/1002R / 23C | Buick Encore GX |
| 2023 | 79/1000R / 23C | 68/1001R / 20C | Buick Encore GX |
| 2022 | 74/1001R / 29C | 67/1001R / 28C | Buick Encore GX |
| 2021 | 74/1002R / 50C | 60/1002R / 94C | Buick Encore GX |
| 2020 | 70/1002R / 66C | 64/1003R / 31C | Buick Encore GX |
Best years to cross-shop: The 2023 Buick Encore GX scored 79/100 and the 2024 Mazda CX-30 scored 68/100 — the strongest shared model years that have been on the road for at least two years, where available.
Who Should Buy the Buick Encore GX vs the Mazda CX-30?
Buick Encore GX vs Mazda CX-30: Common Questions
- Is the Mazda CX-30 more reliable than the Buick Encore GX?
- No, the Encore GX has a clear edge. Both have good standing, but the CX-30 has more federal recalls and more crash-linked complaints in its brakes and air bags. Owners report emergency braking that stops the car with nothing ahead and air bags that deploy without a crash.
- Which has more recalls, the CX-30 or the Encore GX?
- The CX-30 has more. Federal recall records show 10 recalls across its 7 model years, against 6 for the Encore GX. Check any specific car by VIN, because owners describe at least one open recall with no available fix on the CX-30.
- What is the most common problem with the Buick Encore GX?
- A false "Shift to Park" warning is the leading complaint. After the driver puts the car in Park, the engine or accessory mode stays on, chimes sound, and the horn honks when the driver walks away. Reports cluster between 24,000 and 34,200 miles, and owners describe backordered parts and cars sitting for weeks.
- Does the Mazda CX-30 have oil problems?
- Some owners report them. Engine complaints are the CX-30's largest group, with low oil warning lights and sometimes real oil loss. One car at 24,000 miles needs a quart every 1,000 to 2,000 miles. No engine damage appears in that group, but you should check the level often.
- Which model years should I avoid for each car?
- Avoid 2020 and 2021 on both cars, since those are the weakest years for each. Newer years have had less time to collect complaints, so a short complaint list for 2026 does not prove those cars are better.
Related Reliability Comparisons
More Buick Encore GX comparisons
Decided between Buick Encore GX and Mazda CX-30? Run a VIN check before you buy — uncover hidden accidents, title issues, and open recalls.
How we score the Buick Encore GX and Mazda CX-30
Scores weight complaint severity at 35%, repair costs at 30%, recall impact at 20%, and the spread of complaints across systems at 15%, with complaint counts adjusted for US sales. Read the full methodology.
See incorrect data? Report an issue