Oil change — LongLife service
≈ 30,000 km or 2 years
Per indicator, up to ~30,000 km / 2 years. VW 504 00 (petrol) or 507 00 (diesel) oil required to stay on LongLife.
Source [1]
Leon I · 1999–2005
The Seat Leon 1.8 T of the Leon I generation uses the 1.8 T 20V petrol engine with 180 hp.
Figures apply to the cited configuration and market; equipment and transmissions may vary by production date.
Specification source : [1] AutoKarnet
180 hp (132 kW), front-wheel drive, 6-speed manual. Built from 1999 to 2005.
AutoKarnet advice
It sits between the 1.6 16V (105 hp) and the Cupra R (210 hp). The 1.8 T 20V engine is also fitted to: Audi A4 (B7), Seat Ibiza (Ibiza III (6L)), Skoda Octavia (Octavia I), Skoda Superb (Superb I), Volkswagen Golf (Golf IV), Volkswagen Polo (Polo IV (9N)).
AutoKarnet advice
≈: estimated reference — the vehicle’s service indicator prevails.
≈ 30,000 km or 2 years
Per indicator, up to ~30,000 km / 2 years. VW 504 00 (petrol) or 507 00 (diesel) oil required to stay on LongLife.
Source [1]15,000 km or 1 year
Every 15,000 km or 1 year. Fixed-interval scheme, advised for city or severe use.
Source [1]Every 2 years
At 3 years, then every 2 years. Time-based replacement, whatever the mileage.
Source [1]90,000 km or 5 years
Replace the complete kit (belt, tensioners and usually the water pump) at whichever comes first; a broken belt destroys the engine.
Source [1]60,000 km or 4 years
Replace the full set; worn plugs raise consumption and cause misfires.
Source [1]60,000 km or 4 years
Replace more often in dusty conditions.
Source [1]30,000 km or 2 years
Often replaced at each service; earlier if smells or persistent misting appear.
Source [1]The 1.8 T 20V petrol engine (1 781 cc), 180 hp (132 kW).
AutoKarnet advice
A VW 504 00 / 507 00-approved oil suited to the 1.8 T 20V engine.
AutoKarnet advice
AutoKarnet · FR · Europe · Synthèse éditoriale AutoKarnet · Accessed 09/10/2026