You might also check the 12v battery, if it's limping along on the original or a dead one it would have to be constantly recharged by the HV battery & inverter running more often. Our 2013 had the original battery still in it when we bought it a couple months ago, clinging on at 11.9v. Mileage seems to have improved slightly with a fresh one.
I got just over 7 years from the factory Varta battery in my old 2015 MK7. It was the smaller H4 size and always started flawlessly in the Canadian winter. It ended up failing in the early summer. It cranked rather slowly one morning and the voltage refused to go above 12.3, even after charging. It barely started when I went to get the new battery. I was lucky enough to not get stranded.
Got a Japanese one: Varta Automotive EFB Car Battery Q-85/115D23L 12v 70Ah 660A (EN) just over 1/2 the price of an Australian made Q-85. Got 6.5 years out of original from Japan 2019 using stop start most of the time.
I have a 2016 Gen 4 that my partner commutes about 100 miles round trip in. Aside from its strange looks it's a great car. Zero repairs so far at more than 220K miles. No rattles or clunks. Every single electric button and switch still works.
Varta’dan vazgecmeyin. Zamaninda bahsettiginiz markalari kullandim 2 yil sonrasinda yolda kaldim. Kendi aracimdaki aku de Varta.
Clio 2014 aracım vardı s&s lu orijinal aküsünden sonra mutlu akü kullandım memnun kalmadım şuan Varta kullanıyorum çok memnunum ben yerinde olsam risk almam vartadan devam ederim
Halt nur die Klassiker, alle 15j mal eine Batterie tauschen oder die wasserpumpe.
My 2012 recently needed a battery replacement
So on top of cold weather, your battery may need attention
My factory battery died at 30k miles on a 2024 corolla…
Aracım 2012 model 1.4 tsi golf 7, aracımın güncel aküsü artık dipleri oynuyordu, marşı 3-4 defa basınca alıyordu, bende bu sebeple aküyü değiştirdim, aynı şekilde mutlu akü yerine efb start/stop destekleyen varta aküden 72 amper aldım, önceki akü de 72 amperdi. Aküyü taktık ve de yakıt dibin dibindeydi, gittim benzin aldım ve aldıktan hemen sonra epc ışığı yaktı, araç epc’yi yakınca gaz yemiyor, max. 20 km’yi geçmiyor. Gaz kelebeğini temizledik, yakıt deposuna kurum temizliği için ilaç döktük ilk etapta söndü ama tekrar yaktı. Ecu’dan aküyü tanımlatıp beyin sıfırlaması yapılması gerekiyormuş sanırsam, bunu henüz yaptırmadım yarın yaptıracağım ama bu aküden sebep midir? Eski o bitik akü’de bile böyle bir problem vermemişti.
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If choosing battery across many manufacturers, check the part ranking. If your choice is down to two brands, the PartReview part comparisons help.
We compare battery across these categories:
In March 2026 on PartReview, battery Varta were overall better than OEM Toyota.
In March 2026 on PartReview, battery Varta were overall more popular than OEM Toyota.
By vote balance, battery Varta surpassed OEM Toyota:
By number of reviews, battery Varta surpassed OEM Toyota:
In March 2026, according to PartReview, these manufacturers led the same number of car-specific ratings:
OEM Toyota are chosen by owners of cars such as: Toyota Prius, and others.
Varta are chosen by owners of cars such as: Mazda 3, and others.
If this comparison didn’t fully answer your question, there are many others on PartReview.
For example, comparisons of battery OEM Toyota with: OPTIMA, Bosch, OEM Subaru, OEM Volkswagen, YUASA, Tesla, Duralast, Exide, OEM BMW, Deka.
Also available: comparisons of battery Varta with: OPTIMA, Bosch, OEM Subaru, OEM Volkswagen, YUASA, Tesla, Duralast, Exide, OEM BMW, Deka.
You can also see who is better among other battery manufacturers: OPTIMA or Varta, OPTIMA or Bosch, OPTIMA or OEM Subaru, OPTIMA or OEM Volkswagen, OPTIMA or YUASA.
