Is the Mazda 5 more reliable than the Toyota Prius?

No, the Prius has a slight edge. Both stand good, but the Prius costs less to repair each year and has fewer recalls. The Mazda 5 makes fewer unscheduled shop visits. Its biggest weakness is cracked cylinder heads, which owners say often fail without any warning light.

Which has more recalls, the Mazda 5 or the Prius?

The Mazda 5 has more. Federal recall records show 44 across nine model years, against 31 for the Prius. Some Mazda owners also say a backup camera recall repair has been stuck waiting on parts, so ask about open recall work before buying.

Which costs less to repair?

The Prius costs less. Independent repair-cost data puts it at about $408 a year, compared with $581 for the Mazda 5. The chance that a repair is major is similar, at 11% for the Prius and 10% for the Mazda, so the gap comes from everyday repair bills.

What is the main problem with the Mazda 5?

Cracked cylinder heads are the main problem. Owners report oil leaking onto the exhaust area, a burning smell in the cabin and smoke from under the hood, usually with no warning light. Failures range from about 31,000 to 75,000 miles, and some bills came to almost $6,000.

Are there safety complaints about the Toyota Prius?

Yes. Owners report sudden surges at low speed while parking, and two brake complaints describe the car failing to stop. Airbag complaints include deployments after only rubbing a curb. The counts are small compared with the Mazda's, but several of these reports ended in crashes.

Last updated: 2026-10-10

Mazda 5 vs Toyota Prius: Reliability Compared

Mazda 5

Good

More Reliable

Toyota Prius

Good

Slight edge to the Toyota Prius over the Mazda 5, mainly on lower yearly repair cost. Both rate good for reliability. The Prius also has fewer recalls, while the Mazda 5 is hurt by cracked cylinder heads that can leak oil with no warning light.

How Do the Mazda 5 and Toyota Prius Generations Compare?

Two Prius generations fall inside the 2018 to 2026 range. The fourth generation ran in the US from 2016 to 2021 and was facelifted for 2018, so 2018 through 2021 are all fourth-generation cars. The fifth generation arrived for 2023, and a Nightshade Edition facelift followed in 2024. The 2023 model year is among its weakest, and it was the first year of the new design. The 2021 year, the last of the fourth generation, ranks among its strongest. Newer years have had less time to collect complaints, so a short complaint list on a recent car says little yet.

Verdict

The Toyota Prius is more reliable than the Mazda 5, scoring 79/100 vs 77/100.

A slight edge goes to the Toyota Prius. Both rate good, so this is not a wide gap. The Prius costs less to keep running each year and has fewer federal recalls across the same nine model years. The Mazda 5 visits the shop a little less often, which keeps the race close. What tips it is the Mazda's cracked cylinder head, a costly failure that often gives no warning light. The Prius complaints are fewer and more scattered, though the ones about sudden acceleration are serious.

Key Differences

1Toyota Prius costs $173 less per year to repair
2Toyota Prius has 13 fewer total recalls
3Toyota Prius scores 2 points higher in reliability

Category Scoreboard

2Mazda 5

—

3Toyota Prius

Reliability ScoreTotal RecallsAnnual Repair CostRepair FrequencyMajor Repair RiskSafety Rating

Mazda 5 vs Toyota Prius: Which Is More Reliable?

Mazda 5 vs Toyota Prius at-a-glance reliability comparison
Metric	Mazda 5	Toyota Prius
Reliability Score	77/100	79/100
Years Tracked	9	9
Total Recalls	44	31
Total ComplaintsRaw count — varies with sales volume	1314	214
Annual Repair Cost	$581/yr	$408/yr
Repair Frequency	0.4/yr	0.5/yr
Major Repair Risk	10%	11%
Safety RatingNHTSA overall	2026 NHTSA	2026 NHTSA
Frontal
Side
Rollover
Year Wins	3	6

What Are the Common Problems With the Mazda 5 and Toyota Prius?

Cracked cylinder heads are the repeating mechanical failure on the Mazda 5. They leak oil onto the exhaust area, bring a burning smell into the cabin and smoke from under the hood, and often give no warning light. Its touchscreen also acts on its own, and rear calipers seize. The Prius pattern is different. Complaints center on sudden surges at low speed while parking, brakes that did not stop the car, and airbags deploying after minor curb contact. The Mazda has a crash-linked engine report and the Prius lists no engine problem area. The Prius has a crash-linked visibility report, tied to an aftermarket dash cover.

Mazda 5 vs Toyota Prius common problem areas comparison
Component	Mazda 5	Toyota Prius
ENGINE	299	—
ELECTRICAL SYSTEM	178	28
POWER TRAIN	141	12
UNKNOWN OR OTHER	107	32
SERVICE BRAKES	69	14
AIR BAGS	50	15
FORWARD COLLISION AVOIDANCE	45	4
VISIBILITY/WIPER	32	12
VEHICLE SPEED CONTROL	29	11
STRUCTURE	35	4
STEERING	28	—
EXTERIOR LIGHTING	17	7
FUEL SYSTEM	22	—
TIRES	2	11
SUSPENSION	10	—
SEATS	7	2
WHEELS	—	8
LANE DEPARTURE	4	—
ENGINE AND ENGINE COOLING	—	2

Raw complaint counts aggregated across all tracked model years from NHTSA owner reports. Counts vary with sales volume.

Which Is Cheaper to Maintain: Mazda 5 or Toyota Prius?

Repair costs favor the Toyota Prius, at an estimated $408 a year against $581 for the Mazda 5. That gap adds up over several years of ownership. The Mazda does see the shop slightly less, at 0.4 unscheduled visits a year versus 0.5. The chance that a repair is major is close, at 10% for the Mazda and 11% for the Prius. The Mazda's risk sits in one expensive event, the cylinder head, rather than in frequent visits.

How Does Mazda 5 vs Toyota Prius Reliability Compare by Year?

Mazda 5 vs Toyota Prius year-by-year reliability scores
Year	Mazda 5	Toyota Prius	Edge
2026	88/1000R / 0C	84/1000R / 0C	Mazda 5
2025	75/1005R / 42C	78/1004R / 10C	Toyota Prius
2024	75/1005R / 70C	77/1008R / 25C	Toyota Prius
2023	78/1003R / 68C	76/1008R / 18C	Mazda 5
2022	83/1001R / 79C	78/1002R / 29C	Mazda 5
2021	78/1003R / 180C	82/1000R / 15C	Toyota Prius
2020	75/1005R / 127C	79/1001R / 30C	Toyota Prius
2019	72/10012R / 325C	77/1005R / 36C	Toyota Prius
2018	72/10010R / 423C	78/1003R / 51C	Toyota Prius

Best years to cross-shop: The 2022 Mazda 5 scored 83/100 and the 2021 Toyota Prius scored 82/100 — the strongest shared model years that have been on the road for at least two years, where available.

Who Should Buy the Mazda 5 vs the Toyota Prius?

Pick the Prius if you want the lower running cost and the shorter recall list. It suits a shopper who drives mostly in town and wants fewer repair surprises. Target the 2021 model year, which sits among its strongest years. Avoid 2019 and 2023, its weakest. Whatever you buy, ask the seller about any open recall work before you sign. Pick the Mazda 5 if you want fewer unscheduled shop visits and are willing to check one big risk first. Have a mechanic inspect the cylinder head area for oil leaks and burning smells, because owners report failures between about 31,000 and 75,000 miles, often just after warranty ended. Replacement bills reached almost $6,000. Target 2022, one of its strongest years. Avoid 2018 and 2019, its weakest. Check the touchscreen and backup camera on a test drive, and ask whether any recall repair is still waiting on parts.

Mazda 5 vs Toyota Prius: Common Questions

Is the Mazda 5 more reliable than the Toyota Prius?: No, the Prius has a slight edge. Both stand good, but the Prius costs less to repair each year and has fewer recalls. The Mazda 5 makes fewer unscheduled shop visits. Its biggest weakness is cracked cylinder heads, which owners say often fail without any warning light.
Which has more recalls, the Mazda 5 or the Prius?: The Mazda 5 has more. Federal recall records show 44 across nine model years, against 31 for the Prius. Some Mazda owners also say a backup camera recall repair has been stuck waiting on parts, so ask about open recall work before buying.
Which costs less to repair?: The Prius costs less. Independent repair-cost data puts it at about $408 a year, compared with $581 for the Mazda 5. The chance that a repair is major is similar, at 11% for the Prius and 10% for the Mazda, so the gap comes from everyday repair bills.
What is the main problem with the Mazda 5?: Cracked cylinder heads are the main problem. Owners report oil leaking onto the exhaust area, a burning smell in the cabin and smoke from under the hood, usually with no warning light. Failures range from about 31,000 to 75,000 miles, and some bills came to almost $6,000.
Are there safety complaints about the Toyota Prius?: Yes. Owners report sudden surges at low speed while parking, and two brake complaints describe the car failing to stop. Airbag complaints include deployments after only rubbing a curb. The counts are small compared with the Mazda's, but several of these reports ended in crashes.

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How we score the Mazda 5 and Toyota Prius

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.

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