Can I install a higher capacity battery in my Audi A4 B6 3.0?

Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Audi A4 B6 3.0 battery compartment and the positive terminal position matches.

What battery fits the Audi A4 B6 3.0?

The Audi A4 B6 3.0 requires a battery with the correct capacity (Ah) and Cold Cranking Amps (CCA) for this engine. Compatible batteries offer 74-85 Ah, 680-800 A (CCA), 12 V, case H6/L3, conventional flooded technology. Browse the compatible battery list below.

How many Ah does the Audi A4 B6 3.0 battery need?

The exact Ah rating for the Audi A4 B6 3.0 depends on the vehicle's original electrical consumers. Compatible batteries offer 74-85 Ah, 680-800 A (CCA), 12 V, case H6/L3, conventional flooded technology. Use our finder for a precise recommendation.

How long does a battery last in a Audi A4 B6 3.0?

With normal use, a battery for the Audi A4 B6 3.0 lasts 3–5 years. A healthy alternator and avoiding deep discharges significantly extend battery life.

What type of battery does my car need?

To find the exact battery you need, you need to know the make, model, and engine. If your car has a Start-Stop system (the engine shuts off at traffic lights), you need an AGM or EFB battery. An AGM battery can only be replaced with another AGM battery. However, an EFB battery can be replaced with either another EFB or an AGM battery, as the latter is superior.

What is the difference between AGM, EFB and standard batteries?

The standard battery is the conventional type. The EFB battery withstands start/stop cycles better. The AGM battery is the most durable and is mandatory in cars with Start-Stop and regenerative braking. Never replace an AGM battery with an EFB or standard battery.

How do I find the right battery for my vehicle?

Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.

What warranty do the batteries have?

All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.

How long does it take for the battery to arrive?

Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.

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Audi A4 B6 3.0

Batteries for Audi A4 B6 3.0 220 hp (petrol, 2000-2004)

Audi · A4 B6

Which battery does a Audi A4 B6 3.0 need?

Specifications and battery: 3.0 (220 hp)

Audi A4 B6 3.0 (220 hp, petrol, 2000-2004): depending on the equipment, it takes a conventional 74 Ah, 680 A battery (278 × 175 × 190 mm) or a conventional 80 Ah, 740 A battery (315 × 175 × 190 mm). Measure your current battery before choosing. In every case the positive terminal is on the right.

Brand: Audi
Model: A4 B6 (8E2)
Built: 11/2000 - 2004
Power: 162 kW / 220 hp
Fuel: Petrol
Engine size: 2,976 cc (3 L)
Cylinders: 6
Body type: Saloon
Drive: Front-Wheel Drive
Engine codes: ASN, AVK

Battery for this engine

Version	Technology	Capacity	Cold cranking (EN)	Size (L×W×H)	Polarity
Depending on equipment 1	Conventional	74 Ah	680 A	278 × 175 × 190 mm	+ on the right
Depending on equipment 2	Conventional	80 Ah	740 A	315 × 175 × 190 mm	+ on the right

This engine shares its battery with the 2.5 TDI (155 hp), 2.5 TDI (163 hp), 2.5 TDI quattro (180 hp), 3.0 (218 hp) and 2 more: the compatible batteries are exactly the same.

Data: vehicle specifications and the battery manufacturer's application catalogue.

🔧 Battery Expert Advisor

Battery analysis for your Audi A4 B6 3.0

Quick answer Depending on the equipment, your car uses one of these two main batteries. The most common option is Lead-acid 74 Ah (278×175×190 mm): we recommend VARTA E11. Other units use Lead-acid 80 Ah (315×175×190 mm): VARTA F16. Before buying, check the Ah on your current battery's label or measure its length.

Batteries in your Audi A4 B6 3.0

MainDepends on equipmentSee all in the list →

Measure the length of yours: 278 or 315 mm

Recommended

VARTA E11

Lead-acid74 Ah680 A

278 × 175 × 190 mm

€79.13Buy

Alternative

VARTA F16

Lead-acid80 Ah740 A

315 × 175 × 190 mm

€87.80Buy

Prices and availability updated on 20/10/2026

Based on the batteries we found for your vehicle, our experts help you pick the right one.

📋 What we found

For your Audi A4 B6 3.0 we found 8 compatible conventional (non Start-Stop) batteries.

📏 Battery size

The list contains batteries in different sizes or capacities (Ah). In many cases both variants fit, but it's worth checking your compartment dimensions and the Ah of your original battery before buying. Choose the one with the same dimensions as your current battery: a bigger one may not fit the compartment or the hold-down. If several match your size, the higher capacity gives more headroom for cold starts.

⚡ Battery type for your vehicle

✓ Your Audi A4 B6 3.0 does not need a Start-Stop battery. The conventional ones shown fit your vehicle and are the most affordable option. If you want a higher-quality, longer-lasting battery, you can also fit an EFB or AGM as an upgrade — they are fully compatible and last more years.

📊 View AGM vs EFB vs Conventional — full comparison

⭐ Our recommendation

Our recommendation

For your Audi A4 B6 3.0 we recommend the VARTA E11 (Lead-acid, 74 Ah). It's the battery recommended by the vehicle manufacturer for your Audi A4 B6 3.0 — the OEM equivalent. Varta is the world's leading manufacturer of starter batteries and supplies first-equipment (OEM) batteries to the major European car makers.

Rated 4.9/5 by 70 verified customers.
Next-day delivery if you order before 6 PM.
The best value price among compatible options.

See this battery →

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Verified selection

Class: Car Batteries
Brand: Audi
Model: A4 B6
Engine: 3.0

Receive them tomorrow before 2 PM if you order before 6 PM (Spain mainland and Portugal only).

Before you buy: check 3 key points

Although the batteries shown are sourced from information provided by manufacturers, we recommend checking on your current battery:

Dimensions (length × width × height, including terminals and protrusions)
The dimensions shown are the maximum of the battery and include the height of the terminals, small ridges at the base and any lateral protrusions. Measure your current battery completely, from edge to edge. The new one must be the same size or slightly smaller — never larger, it would not fit in the housing.
Positive terminal (left or right viewed from the front — check the battery photo carefully)
Stand facing the battery, with the manufacturer's label facing you and the terminals on top. Locate the terminal marked with +: if it is on your right, it is "positive right"; if it is on your left, it is "positive left". Do not rely on how the battery is mounted in the car — the position is always measured looking only at the battery itself.
Technology (AGM, EFB or conventional — Start-Stop requires AGM or EFB)
Depending on the manufacturer, the same technology may be labelled differently: AGM may also appear as VRLA, AGM Start-Stop or AGM Deep Cycle. EFB may appear as EF, EFB+ or Enhanced Flooded Battery. Conventional may appear as SLI, Lead-Acid, Wet or Standard. If your vehicle has Start-Stop, the battery must be AGM or EFB — never conventional.

If you have any questions, just ask us and we'll be glad to advise you with no obligation.

Conventional Battery

This is a standard or conventional battery for vehicles without a start-stop system

8 products

Comparison table of available products
Category	Make	Reference	Capacity	Cold cranking	Dimensions	Price
Conventional Battery	VARTA	E11	74 Ah	680 A	278×175×190 mm	€79.13	More info
Conventional Battery	VARTA	E44	77 Ah	780 A	278×175×190 mm	€85.40	More info
Conventional Battery	VARTA	F18	85 Ah	800 A	315×175×175 mm	€97.80	More info
Conventional Battery	TUDOR	TA770	77 Ah	760 A	278×175×190 mm	€74.70	More info
Conventional Battery	VARTA	F19	85 Ah	800 A	315×175×190 mm	€101.80	More info
Conventional Battery	TUDOR	TA900	90 Ah	720 A	315×175×190 mm	€81.40	More info
Conventional Battery	VARTA	F16	80 Ah	740 A	315×175×190 mm	€87.80	More info
Conventional Battery	EXIDE	EA900	90 Ah	720 A	315×175×190 mm	€82.80	More info

Complete your purchase

Chargers

Chargers for your battery

1 product

Battery charger ABSAAR Pro4.0 6/12V 4A Smart Charger
- 6 V
€50.60

Frequently asked questions

: Yes, you can install a higher capacity (Ah) battery as long as the physical dimensions fit your Audi A4 B6 3.0 battery compartment and the positive terminal position matches.
: The Audi A4 B6 3.0 requires a battery with the correct capacity (Ah) and Cold Cranking Amps (CCA) for this engine. Compatible batteries offer 74-85 Ah, 680-800 A (CCA), 12 V, case H6/L3, conventional flooded technology. Browse the compatible battery list below.
: The exact Ah rating for the Audi A4 B6 3.0 depends on the vehicle's original electrical consumers. Compatible batteries offer 74-85 Ah, 680-800 A (CCA), 12 V, case H6/L3, conventional flooded technology. Use our finder for a precise recommendation.
: With normal use, a battery for the Audi A4 B6 3.0 lasts 3–5 years. A healthy alternator and avoiding deep discharges significantly extend battery life.
: To find the exact battery you need, you need to know the make, model, and engine. If your car has a Start-Stop system (the engine shuts off at traffic lights), you need an AGM or EFB battery. An AGM battery can only be replaced with another AGM battery. However, an EFB battery can be replaced with either another EFB or an AGM battery, as the latter is superior.
: The standard battery is the conventional type. The EFB battery withstands start/stop cycles better. The AGM battery is the most durable and is mandatory in cars with Start-Stop and regenerative braking. Never replace an AGM battery with an EFB or standard battery.
: Use the search tool by selecting your vehicle's make and model. Our system automatically filters compatible part numbers verified by our technicians. If you have any questions, contact us via WhatsApp.
: All our batteries come with the legal guarantee provided by consumer law against manufacturing defects. If a battery has a manufacturing defect, it will be replaced at no cost to the user.
: Under normal circumstances, batteries usually arrive within 1 to 2 days of ordering. However, there are some cases where delivery may take a little longer: peak seasons (Black Friday, Christmas, etc.), palletized shipments, occasional stock shortages, etc.
: In mainland Spain and Portugal delivery takes 24 working hours if you order before 6:00 pm and the battery is in stock; for the Balearic Islands and other EU destinations allow 2 to 5 days. Batteries are shipped fully charged and ready to install.

Guides

: This vehicle uses a conventional flooded battery: no BMS registration is required, the alternator will charge it directly.

Batteries for Audi A4 B6 3.0 220 hp (petrol, 2000-2004)

Which battery does a Audi A4 B6 3.0 need?