<Tr> <Td> A3 1.8 TFSI </Td> <Td> 1,798 cc (110 cu in) I4 </Td> <Td> 180 PS (132 kW; 178 hp) @ 5,100--6,200 </Td> <Td> 250 N m (184 lb ft) @ 1,250--5,000 </Td> <Td> 7.2 s </Td> <Td> 232 km / h (144 mph) </Td> <Td> 6 - speed manual or 6 - Speed S - Tronic automatic 7 - speed S Tronic (optional) </Td> </Tr> <Tr> <Td> A3 2.0 TFSI </Td> <Td> 1,984 cc (121 cu in) I4 </Td> <Td> 223 PS (164 kW; 220 hp) @ 4,500--6,200 </Td> <Td> 350 N m (258 lb ft) @ 1,600--4,400 </Td> <Td> 5.8 s </Td> <Td> 232 km / h (144 mph) </Td> <Td> 6 - speed S - Tronic automatic S Tronic </Td> </Tr> <Tr> <Td> S3 2.0 TFSI </Td> <Td> 1,984 cc (121 cu in) I4 </Td> <Td> 310 PS (228 kW; 306 hp) @ 5,500--6,200 </Td> <Td> 380 N m (280 lb ft) @ 1,800--5,500 </Td> <Td> 4.6 s (S - Tronic) </Td> <Td> 249 km / h (155 mph) </Td> <Td> 6 - speed manual 7 - speed (2017) S Tronic (optional) </Td> </Tr> <Tr> <Td> RS 3 2.5 TFSI </Td> <Td> 2,480 cc (151 cu in) I5 </Td> <Td> 367 PS (270 kW; 362 hp) @ 5,550--6,800 </Td> <Td> 465 N m (343 lb ft) @ 1,625--5,550 </Td> <Td> 4.3 s </Td> <Td> 280 km / h (174 mph) </Td> <Td> 7 - speed S Tronic </Td> </Tr>

Where is the chassis number on an audi a3