Audi A6 S6 4.2 300(c4)
ECU Remapping Bradford
Audi A6 S6 4.2 300(c4) in Bradford. Standard and remapped figures for this exact engine.

- Fully dyno tested remaps
- 30 day money back guarantee
- Lifetime software warranty
- UK-wide local network
Remap stats
Audi A6 S6 4.2 300(c4): standard vs remapped
Petrol engine. Indicative stage 1 figures, fully dyno tested.
Power
+35 bhp · +10%- Standard340 bhp
- Remapped375 bhp
Torque
+55 Nm · +13%- Standard420 Nm
- Remapped475 Nm
Tuning figures are indicative estimates, not guaranteed results. Actual results depend on the condition of the vehicle.
Prices from £130
Fully dyno tested | 30 day money back guarantee | Lifetime software warranty
The Audi A6 S6 4.2 300(c4) produces 340 bhp and 420 Nm of torque as standard. After a stage 1 ECU remap in Bradford, our figures show 375 bhp and 475 Nm: a gain of 35 bhp (10%) and 55 Nm (13%).
Treat the numbers as a guide: they are stage 1 estimates for a petrol Audi A6 in sound condition, and individual cars differ.
Audi A6 S6 4.2 300(c4): remap at a glance
- Fuel: Petrol
- Standard power: 340 bhp, remapped: 375 bhp (+35 bhp, +10%)
- Standard torque: 420 Nm, remapped: 475 Nm (+55 Nm, +13%)
- Service: stage 1 ECU remap, fully dyno tested
What a remap does for a petrol Audi A6
On a petrol car the ECU controls fuelling, spark timing and any turbo boost. A remap re-calibrates those maps within safe limits, so the car responds more eagerly and pulls harder through the rev range.
Audi A6 S6 4.2 300(c4) against other A6 engines
Among the 22 petrol A6 engines we have figures for, the S6 4.2 300(c4) ranks 12th for power gain, exactly the A6 petrol average.
Across our whole catalogue the average petrol remap adds 27 bhp and 51 Nm, so this engine's 35 bhp and 55 Nm sits at or above that benchmark.
Audi A6 performance tuning in Bradford
Whether you live in Bradford or nearby, the Bradford Remap Experts site is your local route to a quote. We regularly work with drivers in Keighley, Thornton, Skipton, Leeds and Harrogate and nearby areas of Yorkshire & Humber.
Every remap is fully dyno tested and comes with a 30 day money back guarantee and a lifetime software warranty. Call 0800 779 7864 for a quote.
If you are closer to Leeds, Blackburn and Manchester, those neighbouring Remap Experts sites can help too.

Get a quote for your Audi A6 S6 4.2 300(c4)
Tell us about your car and we will come back with a quote by SMS or phone.
Included
What we can do for your Audi A6
Stage 1 ECU remap
Add power and torque and improve driveability. Software only, tailored to your engine.
ECU repair and testing
Is your engine control unit playing up? We can arrange testing and repair, and source replacement ECUs.
DPF and EGR fault repair
Persistent DPF or EGR errors diagnosed and resolved in accordance with all current road-legal standards.
Engine carbon cleaning
Fault finding and carbon cleaning for the inside of your engine, typically completed in a couple of hours.
Same model
Other A6 engines
- Audi A6 1.8t 150 Cv(c5)petrol
- Audi A6 1.8t 180(c4/c5)petrol
- Audi A6 2.0 TFSI 170(c6)petrol
- Audi A6 2.4 165(c5)petrol
- Audi A6 2.4 170(c5)petrol
- Audi A6 2.7t 230(c5)petrol
- Audi A6 2.7t 250(c5)petrol
- Audi A6 3.0 V6 220(c5)petrol
- Audi A6 3.2 FSI 255(c6)petrol
- Audi A6 4.2 300(c5)petrol
- Audi A6 Allroad 2.5 V6 TDI 163 QuaTTro(c5)diesel
- Audi A6 Allroad 2.5 V6 TDI 180 QuaTTro(c5)diesel
From quote to remapped in four steps
No jargon and no pressure. Here is exactly what happens.
- 01
Find your vehicle
Choose your make, model and engine to see the standard and remapped power and torque for your car.
- 02
Request a quote
Send your details and we contact you by SMS or call back with a quote. No obligation.
- 03
Book with your local site
Your local Remap Experts site arranges the remap and answers any questions about your car.
- 04
Remapped and dyno tested
Your remap is fully dyno tested, with a 30 day money back guarantee and a lifetime software warranty.
Everything you need to know
Plain-English guides to how remapping works, what it does and what to check first.
- 6 min read
What is ECU remapping?
The engine control unit, what a remap changes, and who it suits.
Read guide - 5 min read
The benefits of ECU remapping
More torque, better driveability and the potential for better economy.
Read guide - 6 min read
How ECU remapping works, step by step
From reading the original software to the dyno test.
Read guide