Interstate Batteries Group 51R Car Battery Replacement
(MT-51R) 12V, 500 CCA, 24 Month Warranty, Replacement Automotive Battery for Cars, SUVs
Price as of 2026-06-01. Check Amazon for the current price.
Quick Decision
Is This Right For You?
- •Those who want a top-rated option — in the top 1% of Car Batteries by rating
- •You prefer well-established products — only 12 reviews, so the rating may still shift
- •UPLUS NEW TECHNOLOGY BATTERY UPLUS BCI Group 140R Car Battery — 46% cheaper at $124 (Score A-)
📊 Based on data analysis of 31 products in this category.
Mubboo Score: C+
How It Compares
This Product Interstate Batteries Group 51R Car Battery Replacement | Most Popular WEIZE Platinum AGM Battery BCI Group 35 Automotive Battery | Best Rated UPLUS NEW TECHNOLOGY BATTERY UPLUS BCI Group 140R Car Battery | Best Value Mighty Max Battery MM-G35 Start and Stop Car BCI Group Size 35 12V 55Ah | |
|---|---|---|---|---|
| Price | $228.94 | $159.98 | $123.87 | $149.99 |
| Rating | 5.0/5 | 4.4/5 | 4.6/5 | 4.2/5 |
| Reviews | 12 | 4,645 | 1,059 | 1,201 |
| Mubboo Score | C+ | A- | A- | B+ |
Quick Specs
- Size
- 9.37x5.06x8.78
- Voltage
- 12 Volts
- Terminal
- Top Post
- Item Weight
- 27.7 Pounds
- Battery Type
- Lead Acid
- Manufacturer
- Interstate Batteries
- Item Type Name
- Car Battery
- Number Of Cells
- 6
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Expect tough child-resistant packaging on small coin batteries and verify fitment for large batteries; keep documentation for warranty claims as some units may fail early.
- Good value / affordable price
- Reliability and long lifespan
- Strong cranking power / strong starts
- Responsive customer support / warranty
- Premature failure / defective units
- Hard-to-open packaging
- Difficult warranty service
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Key Features
- ✦OUTRAGEOUSLY DEPENDABLE: Interstate’s MT car battery series delivers reliable battery life and enhanced performance in hot to moderate climates. This battery delivers 500 Cold cran…
- ✦GROUP SIZE 51R CAR BATTERY: This battery fits over 250 different year/make/model car batteries! Please confirm if this battery fits your vehicle with Amazon's Confirmed Fit Tool at…
- ✦OUR "BETTER" FLOODED, NON-AGM CAR BATTERY: MT-51R offers longest life in hot to moderate climates due to a high electrolyte-to-lead ratio that resists extreme temperatures. This co…
- ✦MOST TRUSTWORTHY POWER SOURCE: Since 1952, Interstate Batteries purpose has been to deliver the most Outrageously Dependable source of power to the world. Our customers come first,…
- ✦REFUNDABLE CORE DEPOSIT: The price of this battery includes a Refundable Core Deposit. Please bring your used battery (core) to this Interstate All Battery Center to receive your d…
Source: product listing on Amazon.
Other Car Batteries
Bottom Line
Interstate Batteries Group 51R Car Battery Replacement earns Mubboo Score C+. Priced at $229 — a mid-range option, below the category average of $232. Rated 5.0/5 from 12+ reviews. Strong buy if: those who want a top-rated option. Skip if: you prefer well-established products — WEIZE Platinum AGM Battery BCI Group 35 Automotive Battery (Score A-, $160) may fit better.
Frequently Asked Questions
Is the Interstate Batteries Group 51R Car Battery Replacement worth buying in 2026?
It earns a Mubboo Score of C+, with a 5.0/5 rating from 12 reviews — better than 100% of Car Batteries we track.
How much does the Interstate Batteries Group 51R Car Battery Replacement cost?
It is currently $228.94 — mid-tier pricing for Car Batteries.
How does the Group 51R Car Battery Replacement compare to other Car Batteries?
The category's most-reviewed alternative is the WEIZE Platinum AGM Battery BCI Group 35 Automotive Battery (4.4/5, 4,645 reviews, $159.98). The Group 51R Car Battery Replacement carries a Mubboo Score of C+ vs A-.
Sources & References
Mubboo may earn a commission from purchases made through links on this page. Prices and availability are accurate as of the last sync (2026-06-01) and may change.