Launched in 1998, the first-generation Sirion M1 stood out from conventional B-segment hatchbacks through its distinctive retro-influenced styling, elevated seating position and surprising mechanical variety. Comprehensive Daihatsu Sirion maintenance is vital on these characterful Japanese superminis, particularly as older examples require vigilant rust prevention and strict adherence to differing engine servicing regimens.
The engine lineup includes the 1.0-litre three-cylinder EJ-DE and the lively 1.3-litre 16V four-cylinder K3-VE, with rare turbocharged X4 derivatives in specialist circles. Crucially, the 1.0-litre EJ engine relies on a rubber cambelt that requires periodic renewal, whereas the 1.3-litre engine employs a timing chain with DVVT variable valve timing. On all-wheel-drive variants, the 4WD viscous coupling requires matched tyre circumferences to prevent severe transmission binding and premature centre differential wear.