Power gain calculator:

Play with your Increase the power of your Audi A8 options below and see which mods give you the best power gain.


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if you want to calculate your 1/4 mile times from the bhp.

Increase the power of your Audi A8

A8 tuning tips from the car tuning guide, we take a look at the best power mods for the A8 in our latest guide.

Available in standard form with power of upto 445bhp (depending on the year), so this goes to show the tuning potential of the A8. From this you can increase the power from anywhere between 489.5bhp to 756.5bhp depending on how far you want to go. The larger power figure would need major work like a rebore, balancing, porting polishing and an agressive cam. It would also take a fairly hefty dose of forced induction.

Audi mods should include an engine swap to provide a better base to work from. The ‘445bhp A8 Saloons’ is a real gem in terms of power. The more powerful A8s respond well to tuning mods. Top of your list for tuning mods will be a sports exhaust system, a fuel boost valve (for a snappy throttle response) and a good quality induction kit.

A fast road cam will make quite a difference to the peak power of your A8. Getting better flow through the head of the engine would reward your A8 with more power. So get the engine head polished and ported.

The most powerful A8 Saloon in our database offers 445 bhp. From this you can increase the power from anywhere between 489.5 bhp to 756.5bhp with mods we have outlined above.

A A8 with forced induction (turbo or supercharger) will give even larger power gains that this. The A8s come in various power levels right up to 445bhp. On a motorsport prepared A8 it is possible to achieve power figures of anywhere approaching 578.5bhp to 845.5bhp. But this sort of power requires some pretty heavy investment and a hell of a lot of engine work. Suspension upgrades are next on every A8 owners priority list. You shouldn’t really lower a car by more than 30-35mm.

We will have more detailed A8 modification guides in the near future. Please check the site regularly for updates.

Here are some motoring links who provide some excellent resources on all aspects of car tuning and modifications:
Modified Cars A look at some really nice modified cars and overview of car mods.
Torquecars Blog on updates to the Car tuning site.

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