Audi RS6 C8 or Audi RS3 8Y? They share a platform, with different power. Here's how far each one goes, using the makers' and tuners' own figures from our two guides.
At a glance
| Audi RS6 C8 | Audi RS3 8Y | |
|---|---|---|
| Years | 2020– | 2021– (Sportback and Saloon) |
| Engine | 4.0 TFSI twin-turbo V8 (EA825) | 2.5 TFSI five-cylinder (EA855 evo) |
| Stock power | 591 hp / 590 lb-ft (US) | 401 hp / 369 lb-ft (US) |
Power by stage
| Audi RS6 C8 | Audi RS3 8Y | |
|---|---|---|
| Stock | 591 hp | 401 hp |
| Stage 1 | 668–753 hp | 446–561 hp |
| Stage 2 | 720–819 hp | 467–565 hp |
| Stage 3 | 760–950+ hp | 585–613 hp |
| Stage 4 | 1,000+ hp | 650–800+ hp |
Figures are the tuners' own claims from each guide, on the fuel each tuner states.
Typical parts cost
| Audi RS6 C8 | Audi RS3 8Y | |
|---|---|---|
| Stage 1 | software $950–$2,599 (034, IE, APR, MTM), or $1,500 for 034's engine and gearbox bundle; Litchfield £1,800 including VAT. Unitronic sells through dealers only. | APR $1,200 plus a $1,000 unlock; Unitronic's unlock alone $560 (software through dealers); plug-in modules €479–€609 (RaceChip), $679 (JB4) and $1,499–$1,949 (MTM); HGP €5,800 and ABT Power S €6,090 including VAT. |
| Stage 2 | software $1,195 (CarBahn) or $3,049 (MTM); Litchfield with an exhaust £5,905–£9,782 before VAT. | APR $1,300 plus the unlock; HGP €8,500 plus €1,000 fitting; ABT Power R €9,151 including VAT. |
| Stage 3 | IE software for Pure900 turbos $2,299; the turbos are extra. | HGP turbo kits €13,500–€15,500 plus €1,500 fitting; the TTE600 turbo alone €1,791 before VAT. |
List prices from the guides, before shipping, import tax and fitting. "—" means that guide has no cost line for the stage.
Where each one ends up
At Stage 4 the Audi RS6 C8 reaches 1,000+ hp and the Audi RS3 8Y 650–800+ hp.
Read the full guides
- The Audi RS6 C8 guide
- The Audi RS3 8Y guide
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