Auto Insurance Comparison
Liberty Mutual vs Plymouth Rock
Side-by-side comparison of Liberty Mutual vs Plymouth Rock auto insurance — ratings, cost, coverage, customer experience, pros, cons. No sales pitch, just the research.
Quick verdict
Plymouth Rock edges ahead Liberty Mutual 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.
| Liberty Mutual | Plymouth Rock | |
|---|---|---|
| Overall score | 3.75 /5 ★★★★★ | 3.85 /5 ★★★★★ Highest overall |
| National rank | #7 | — |
| Best for | Liberty Mutual is a major national carrier with a 'pay only for what you need' marketing pitch and broad coverage customization | Plymouth Rock is a Northeast regional that earns most of its market share in Massachusetts |
| Read full review | Liberty Mutual review → | Plymouth Rock review → |
Rating breakdown
How each carrier scores on the dimensions we weight.
| Category | Liberty Mutual | Plymouth Rock |
|---|---|---|
| Customer experience | 3.65 · #7 | 3.90 |
| Coverage breadth | 4.45 · #4 | 4.00 |
| Affordability | 3.15 · #8 | 3.60 |
Pros and cons, side by side
What each carrier wins on, and where each one falls short.
Liberty Mutual
Full review →Pros
- Strong coverage customization options
- Broad agent network for in-person service
- Genuinely useful endorsements (better car replacement, lifetime repair guarantee)
- Bundle discounts work even without Liberty home policy
- RightTrack telematics rewards safe drivers up to 30% in some states
Cons
- Above-average premiums for most baseline driver profiles
- Customer satisfaction trails major-carrier average
- Claims experience reports are mixed
- Aggressive bundling and add-on sales during quoting
- Rate-creep at renewal more common than competitors
Plymouth Rock
Full review →Pros
- Praised for financial stability
- customer complaints are in short supply
- Greater flexibility in policy coverage choices for both auto and homes insurance
- Offers a variety of discounts
- Home insurance premiums are very affordable
Cons
- Limited geographic availability
- Drivers in their 20s, 40s, 50s, and 60s have to pay more for vehicle insurance.
- Typically more expensive for drivers with speeding tickets and at-fault accidents
Coverage at a glance
What each carrier offers in standard policies.
Liberty Mutual
Liberty Mutual's coverage breadth is its strongest argument. The 'better car replacement' rider replaces a totaled car with one model year newer; accident forgiveness is available; new car replacement covers depreciation on cars less than one year old. Available customizations exceed what some lower-cost competitors offer.
Add-on coverage
- Accident forgiveness — First at-fault accident doesn't raise rates (terms vary by state)
- New car replacement — Replaces totaled vehicle with current model year if within 1 year of purchase
- Better car replacement — Replaces totaled vehicle with model year newer than yours
- Original parts replacement — OEM parts used in repairs instead of aftermarket
- Lifetime repair guarantee — Repairs at Liberty's authorized network shops carry a lifetime warranty
Plymouth Rock
The bottom line
Liberty Mutual
Liberty Mutual works for drivers who can stack 3+ discounts (homeowner + multi-car + telematics) and who value specific endorsements like better car replacement. For typical single-policy drivers, Liberty is rarely the cheapest option, and the customer experience scores don't make up the price gap. Always price Liberty alongside GEICO, Progressive, and Travelers — and lean heavily on the bundling discount if you have home or renters.
Read the full Liberty Mutual reviewPlymouth Rock
Plymouth Rock is a fine choice in Massachusetts and worth a quote in its other Northeast states, particularly if you value local claims service. If lowest price is the priority, look elsewhere.
Read the full Plymouth Rock 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.