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Audi 2.5 TFSI RS3 Tuning Project

Audis power package!
Bartek Bartoszewicz
Tuning Professional

2.5L TFSI in the Audi TTRS & RS3: Audis power package

Audi's most beautiful all-wheel-drive story blossoms in a new design: We show you the 2.5L TFSI engine from the Audi TT RS and the Audi RS3. It is considered the most powerful inline five-cylinder engine in the world and brings the necessary power to the Audi TTRS RS3!

By the way: In our tuning guide for the 2.5 TFSI EA855 you will find everything you need to increase performance.

Profile Audi 2.5L TFSI RS3

Brand Audi
Model 2.5L TFSI RS3
Performance 340 PS
Torque 420 Nm
Maximum speed 240 km/h
From 0 to 100 4,3 seconds
Engine 2.5L TFSI
Gearbox fehlt
Weight fehlt

Strong as six cylinders and economical as four: the Audi five-cylinder engine

The construction of the five-cylinder engines gave Audi a stable name in the 1980s. The five-cylinder engines are as powerful as a six-cylinder and at the same time as economical as a four-cylinder. An absolute "Vorsprung durch Technik".

A turbocharged five-cylinder in-line engine with permanent all-wheel drive, which convinces not only with its performance but also with its breathtaking appearance and equipment. Equipped with 340 horses and a power-to-weight ratio of 1510 kg, which means almost exactly 4.3 kg per hp, this racing coupé reaches 100 km/h after only 4.3 seconds. Due to its 420 Nm which are already available from a speed of 1600 rpm, it achieves a limited top speed of 240 km/h. The speed of the engine is also reduced to a minimum. But if you lift the lock and let him off the leash the adrenaline rush ends at 280 km/h. Despite its trimmed five-cylinder in-line engine, the TT RS consumes only 9.2 litres of fuel per 100 km thanks to its aerodynamic design.

The world's smallest and most powerful in-line five-cylinder engine

Due to the compact, short design, the five-cylinder engine fits into the engine compartment without any problems when installed transversely. It is number one for the most powerful and at the same time smallest in-line five-cylinder engine in the world.

Since the block has to withstand a lot due to its massive performance, Quattro GmbH (Audi Sport GmbH since 2016) decided to cast the five-cylinder engine from the same material as its V6 and V8 colleagues.

Here you can see some RS3 engines in the different stages of construction. All engines are amplified and completely assembled by us. Also check out our 2.5L TFSI racing engines for Audi TTRS and Audi RS3.

On our in-house Maha all-wheel dyno of the newest generation we can tune engines perfectly. We also measure power outputs of more than 1000 hp exactly, with a tolerance of +/-1 %.

In 2017 we took another step forward

We ignited the next stage with a Precision PT6466 Gen. 2!
Also with 0.82AR like the previous GTX3076, in order to be able to compare the performance levels better with each other

Hybrid Turbo and GTX30 Generation 2 Turbocharger in Comparison

Here is a good comparison between the hybrid turbo and the Garrett turbocharger GTX30 Generation 2. The Garrett GTX has a much better performance and is still faster in spool-up! So the GTX is the better choice, also with regard to the turbo hole.
Our next project will be the next stage with a Precision Turbo!

Questions about 2.5L TFSI Tuning?

Want to get more out of your 2.5L TFSI engine? We'll give you all the tuning tips you need! Just give us a call or contact us by e-mail.

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Please leave us a comment.
Anoosh Gupta
29.09.2023, 22:32 Uhr
I want to make a project car in India, New Delhi. How can I discuss with you about it?
icon / general / ico_arrow-rewind
04.04.2024, 12:44 Uhr
Best to send us an email ;-)
Bartek Bartoszewicz
Tuning Professional
His first car was a Polo Mk1 with a 40 Weber twin carburetor and 129 PS (95 kW). His second was an Audi 50. Today Bartek tunes Lamborghinis to 1000 PS (735 kW). Even as a young boy, Bartek disassembled vehicles and put everything back together better. He wrote his high school diploma with oil on his fingers. The trained automotive mechanic with a focus on engines and gearboxes was determined to go into motorsports. In his 10 years in Formal 1, he supervised 73 races, including as engine mechanic for Ralf Schumacher at Toyota. Since 2010, he has dedicated himself fully to his company BAR-TEK® and helps his customers to bring VW and Audi engines to peak performance.
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