Auto Insurance Comparison
Quick verdict
AAA is essentially tied with Mercury in our overall scoring — but each carrier wins on different dimensions. See the breakdown below before deciding.
Head-to-head
Overall scores, key facts, and what each is known for.
| AAA | Mercury | |
|---|---|---|
| Overall score | 3.75 /5 ★★★★★ Highest overall | 3.75 /5 ★★★★★ |
| Best for | AAA sits at the intersection of insurance and membership — its auto coverage is competitive on service and roadside, but headline rates frequently run above more pure-play competitors like GEICO or Progressive | Mercury earns its space in the market on price — particularly in California where it's been a major regional player for decades |
| Read full review | AAA review → | Mercury review → |
Rating breakdown
How each carrier scores on the dimensions we weight.
| Category | AAA | Mercury |
|---|---|---|
| Customer experience | 4.30 | 3.50 |
| Coverage breadth | 4.00 | 3.70 |
| Affordability | 3.00 | 4.10 |
Pros and cons, side by side
What each carrier wins on, and where each one falls short.
AAA
Full review →Pros
- Roadside assistance and member benefits genuinely earn the brand's reputation
- Strong claims-handling and agent service in most regions
- Broad coverage options with consistent multi-state availability
- Solid bundling discounts for members with home or life policies
Cons
- Headline rates typically run above the national average for non-members or light users
- Quality varies meaningfully by regional AAA club — service and pricing aren't uniform
- Not the best fit for high-risk drivers or drivers seeking the lowest possible rate
Mercury
Full review →Pros
- Consistently competitive base rates, especially for California drivers
- Solid discount stack — multi-policy, multi-car, good driver, and good student
- Strong availability of mechanical breakdown coverage as an add-on
- Pay-by-mile coverage available in select states for low-mileage drivers
Cons
- Customer satisfaction and claims experience scores trend below industry averages
- Geographic limitations — available in only 11 states, with California being the dominant market
- Less competitive on coverage breadth than premium carriers
Coverage at a glance
What each carrier offers in standard policies.
AAA
Mercury
The bottom line
AAA
AAA makes sense if you'd use the membership perks anyway. If you're a careful driver who just wants the cheapest competent coverage, USAA (if eligible) or GEICO typically beat AAA on price by a comfortable margin.
Read the full AAA reviewMercury
Mercury earns a quote if you're in California or one of its other operating states and price is your dominant criterion. If you're outside its footprint or you'd trade a few dollars per month for better claims experience, look elsewhere.
Read the full Mercury reviewBefore you decide
Rankings are a starting point — your profile decides the rest.
These scores reflect our editorial research across cost, coverage, and customer experience. The right carrier for you still depends on your record, location, and vehicle, so read the full reviews before you commit.