Choosing the right battery for your Audi Q3 8U (produced from 2011 onwards) is crucial for ensuring both reliability and the proper functioning of modern vehicle systems. The Audi Q3 8U comes with a range of engines, including petrol and diesel variants, as well as models equipped with or without the Start-Stop system. Each of these configurations places specific demands on the battery, making it essential to select a type and model that fits your vehicle’s requirements.
A significant number of Audi Q3 models, especially those with the Start-Stop system, require an AGM (Absorbent Glass Mat) battery. This advanced battery technology is designed to cope with the increased number of engine starts and the higher energy consumption typical of modern vehicles with advanced electronics and Start-Stop features. AGM batteries have a longer lifespan compared to traditional lead-acid batteries, provide superior cold-start performance, and are better suited to frequent charge and discharge cycles, which is common in vehicles equipped with Start-Stop technology.
For petrol engines such as the 1.4 TFSI and 2.0 TFSI quattro with Start-Stop, as well as diesel engines like the 2.0 TDI (including the 2.0 TDI quattro with 120 kW / 130 kW), the recommended battery capacity ranges from 70 to 72 Ah with a cold cranking amperage (CCA) between 720 and 760 A. In these cases, AGM batteries are highly recommended, and suitable examples include Bosch S5A 08, Exide EK700, Exide EK720, Halfords AGM 096, Lucas LF096, and Varta E39. It is important to note that these are just example models that meet the required specifications and there are other brands and models available on the market that will also fit.
If you drive the RS 2.5 quattro or the 2.0 TDI quattro (103 kW) without the Start-Stop system, you will need a battery with a slightly higher capacity, specifically between 80 and 82 Ah, and a CCA of 800 A. These more powerful engines, often found in sportier models, demand a stronger battery to ensure reliable starts and optimal performance for all electrical systems. In this case, examples of suitable AGM batteries include Bosch S5A 11, Exide EK800, Exide EK820, Halfords AGM 115, Lucas LF115, and Varta F21. Again, these are just suggested models that fit the requirements; always check compatibility before purchasing.
One interesting fact about the Audi Q3 8U is how its electrical architecture is designed to work seamlessly with AGM batteries, especially in cars with the Start-Stop function. AGM batteries are not only spill-proof and maintenance-free but also support regenerative braking systems that recover energy during deceleration, which is then stored efficiently for use by the vehicle’s electronics. This technology is part of Audi’s ongoing commitment to improving fuel efficiency and reducing emissions.
When replacing your battery, it’s important to match both the physical size and the technical specifications (capacity and CCA) to your original battery. Fitting a battery with lower capacity or incorrect technology can lead to electrical issues, reduced efficiency of the Start-Stop system, and even void warranties. Many modern cars, including the Audi Q3, also require the battery to be registered or coded with the vehicle’s electronic systems after installation to ensure proper operation of charging and energy management systems.
In summary, the best battery choice for your Audi Q3 8U depends on your engine type and whether your vehicle is equipped with the Start-Stop system. AGM batteries are the recommended option due to their durability and compatibility with modern vehicle technology. Always refer to your owner’s manual and consult with a professional if you are unsure, and remember that the examples provided are just some of the compatible models available for your Audi Q3 8U. Choosing the right battery will ensure your vehicle performs at its best, whether you are driving in the city or heading out on a long journey.
Audi Q3 in version 8U is produced from 2011. Below we present the specifications of batteries suitable for specific engines.
Basic parameters of batteries suitable for Audi Q3 (2011-):
| Layout | Terminal types | Base hold-down |
|---|---|---|
| 0 – positive on the right side | 1 | B13 |
Audi Q3 8U – petrol engines:
- 1.4 TFSI – with Start-Stop
- 2.0 TFSI quattro – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 08 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK700 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK720 | 72 Ah 760 A | 278x175x190 mm | More |
| Halfords Standard AGM 096 | 70 Ah 720 A | 278x175x190 mm | More |
| Halfords Advanced AGM 096 | 70 Ah 760 A | 278x175x190 mm | More |
| Lucas Fusion AGM LF096 | 70 Ah 760 A | 278x175x190 mm | More |
| Varta Silver Dynamic AGM E39 | 70 Ah 760 A | 278x175x190 mm | More |
Audi Q3 8U – petrol engines:
- RS 2.5 quattro
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 11 | 80 Ah 800 A | 315x175x190 mm | More |
| Exide AGM EK800 | 80 Ah 800 A | 315x175x190 mm | More |
| Exide AGM EK820 | 82 Ah 800 A | 315x175x190 mm | More |
| Halfords Advanced AGM 115 | 80 Ah 800 A | 317x175x190 mm | More |
| Lucas Fusion AGM LF115 | 80 Ah 800 A | 315x175x190 mm | More |
| Varta Silver Dynamic AGM F21 | 80 Ah 800 A | 315x175x190 mm | More |
Audi Q3 8U – diesel engines:
- 2.0 TDI – with Start-Stop
- 2.0 TDI quattro (120 kW / 130 kW) – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 08 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK700 | 70 Ah 760 A | 278x175x190 mm | More |
| Exide AGM EK720 | 72 Ah 760 A | 278x175x190 mm | More |
| Halfords Standard AGM 096 | 70 Ah 720 A | 278x175x190 mm | More |
| Halfords Advanced AGM 096 | 70 Ah 760 A | 278x175x190 mm | More |
| Lucas Fusion AGM LF096 | 70 Ah 760 A | 278x175x190 mm | More |
| Varta Silver Dynamic AGM E39 | 70 Ah 760 A | 278x175x190 mm | More |
Audi Q3 8U – diesel engines:
- 2.0 TDI quattro (103 kW) – with Start-Stop
| Model | Capacity and CCA | Dimensions (LxWxH) | Price |
|---|---|---|---|
| Bosch S5 AGM S5A 11 | 80 Ah 800 A | 315x175x190 mm | More |
| Exide AGM EK800 | 80 Ah 800 A | 315x175x190 mm | More |
| Exide AGM EK820 | 82 Ah 800 A | 315x175x190 mm | More |
| Halfords Advanced AGM 115 | 80 Ah 800 A | 317x175x190 mm | More |
| Lucas Fusion AGM LF115 | 80 Ah 800 A | 315x175x190 mm | More |
| Varta Silver Dynamic AGM F21 | 80 Ah 800 A | 315x175x190 mm | More |
If you’re still unsure which battery fits your Audi Q3 , or if you want to help others in their selection, please send us a photo of your current battery in the comment section at the bottom of the page. You can also send the picture to contact@whatbattery.co.uk (we will place it in the comments to also help other users). Be sure to specify the car model, year, type, as well as the engine capacity and power. We’ll do our best to assist you!