| Attribute |
 Audi S3 Sportback (8PA) 2.0 TFSI quattro S tronic × |  Audi TTS Roadster (8J) 2.0 TFSI quattro S tronic × |
| General | | |
| Make | Audi | Audi |
| Model | S3 | TT |
| Generation | S3 Sportback (8PA) | TTS Roadster (8J) |
| Modification | 2.0 TFSI quattro S tronic | 2.0 TFSI quattro S tronic |
| Website | https://www.audi.com/ | https://www.audi.com/ |
| Number of doors | 5 | 2 |
| Number of seats | 5 | 2 |
| Body type | Hatchback | Roadster |
| Transmission | automatic s tronic | automatic s tronic |
| Number of gears | 6 | 6 |
| Production from (year) | 2009 | 2008 |
| Production to (year) | 2012 | 2010 |
| Performance | | |
| Top speed (km/h) | 250 | 250 |
| Acceleration 0-100 km/h (s) | 5.6 | 5.5 |
| City consumption (l/100km) | 11.2 | 10.8 |
| Extra-urban consumption (l/100km) | 6.8 | 6.2 |
| Combined consumption (l/100km) | 8.4 | 7.9 |
| CO2 emissions (g/km) | 195 | 184 |
| Emission standard | EURO V | EURO V |
| Drive | | |
| Drive | All wheel drive (4x4) | All wheel drive (4x4) |
| Engine type | Fuel engine | - |
| Position of engine | Front, transversely | Front, transversely |
| Fuel | Petrol (Gasoline) | Petrol (Gasoline) |
| Max. power (hp) | 265 | 272 |
| Max. torque (Nm) | 350 | 350 |
| Fuel Engine | | |
| Number of cylinders | 4 | 4 |
| Cylinders arrangement | Inline | Inline |
| Valves per cylinder | 4 | 4 |
| Engine displacement (cm³) | 1,984 | 1,984 |
| Compression ratio | 9.8 | 10.3 |
| Max. power @ rpm (rpm) | 6,000 | 6,000 |
| Max. torque @ rpm (rpm) | 2,500 | 2,500 |
| Cylinder bore (mm) | 82.5 | 82.5 |
| Piston stroke (mm) | 92.8 | 92.8 |
| Fuel system | Direct injection | Direct injection |
| Valve control | Dohc | Dohc |
| Turbine | Turbocharger | Turbocharger / Intercooler |
| Catalyst | Regular | - |
| Fuel tank (l) | 60 | 60 |
| Engine oil capacity (l) | 5.3 | - |
| Coolant capacity (l) | 8.6 | - |
| Chassis | | |
| ABS | + | + |
| Front wheel suspension | Independent, Spring McPherson, with stabilizer | Independent, Spring McPherson, with stabilizer |
| Rear wheel suspension | Multi-link independent | Independent, spring multi-link with stabilizer |
| Front suspension | Coil springs | - |
| Rear suspension | Coil springs | - |
| Front stabilizer | + | - |
| Rear stabilizer | + | - |
| Steering type | Steering rack | Steering rack |
| Power steering | Hydraulic Steering | Electric Steering |
| Front brakes | Ventilated discs | Ventilated discs |
| Rear brakes | Ventilated discs | Disc |
| Tires size | | |
| Turning radius (m) | 10.7 | 10.9 |
| Dimensions | | |
| Length (mm) | 4,302 | 4,198 |
| Width (mm) | 1,765 | 1,842 |
| Height (mm) | 1,402 | 1,350 |
| Wheelbase (mm) | 2,578 | 2,468 |
| Kerb weight (kg) | 1,415 | 1,495 |
| Gross weight (kg) | 2,075 | 1,815 |
| Minimum boot space (l) | 302 | 250 |
| Max. roof load (kg) | 75 | - |
| Front track (mm) | 1,522 | 1,555 |
| Rear track (mm) | 1,506 | 1,546 |
| Drag coefficient (Cd) | 0.33 | - |