Jeep Grand Wagoneer vs Mazda CX-90
Two fullsize SUVs compared on the numbers that matter — maintenance cost, reliability, and insurance.
// VERDICT
Our verdict
Buy the Jeep Grand Wagoneer based on your priorities for this class.
Buy the Mazda CX-90 based on your priorities for this class.
// COST HEAD TO HEAD
Maintenance and ownership cost
| Jeep Grand Wagoneer | Mazda CX-90 | |
|---|---|---|
| Annual maintenance | $784 | — |
| 5-year total cost | $3,920 | — |
| Reliability score | 6 / 10 | — |
| Major repair risk (5yr) | 15% | — |
| Cargo space | — | — |
| Starting price (new) | — | $39,300 |
| Best years to buy | — | — |
// RELIABILITY
Which is more reliable?
| Jeep Grand Wagoneer | Mazda CX-90 | |
|---|---|---|
| RepairPal score | 6 / 10 | — |
| NHTSA complaints / 100k | 0winner | 15 |
| Years to avoid | None identified | 2025 |
| Value retained · 3 yr | — | 72.9% |
| Value retained · 5 yr | — | 56.9% |
| Value retained · 7 yr | — | 46.2% |
// COMMON PROBLEMS
What breaks — and what it costs
| Jeep Grand Wagoneer | Mazda CX-90 | |
|---|---|---|
| Engine | 22.5% | 15.0%winner |
| Electrical | 13.2% | 10.0%winner |
| ADAS | 24.8%winner | 40.0% |
| Brakes | 8.5%winner | 10.0% |
| Suspension | 3.1% | —winner |
| Steering | 5.4% | —winner |
| Tires/Wheels | —winner | 15.0% |
| Glass/Windows | 4.7% | —winner |
| Airbags | 1.6% | —winner |
| Lighting | 0.8% | —winner |
| Seatbelt | 1.6%winner | 5.0% |
One major repair on either model can run $1,500–4,000. A warranty caps your exposure, especially on known problem years.
// INSURANCE
Which is cheaper to insure?
| Jeep Grand Wagoneer | Mazda CX-90 | |
|---|---|---|
| Avg annual premium | $2,831 | $2,255winner |
// FULL MODEL PAGES
// FAQ
Common questions
The Grand Wagoneer costs $784/year to maintain — exactly at the fullsize segment average. Repair frequency of 39% is just below the class average of 40%. Reliability score of 6 and major repair probability of 15% both sit at segment averages. Precisely average across all ownership-cost metrics.
How we calculated this. Maintenance costs and reliability scores from RepairPal. Complaints and recalls from NHTSA. Fuel economy from the EPA. Insurance averages from CarEdge. Pricing from KBB. Depreciation from iSeeCars. Full methodology →