Lewis Hamilton and Sebastian Vettel at the 2018 Abu Dhabi Grand Prix.

The 2019 preseason starts today.

Who were the standout drivers — good, bad or otherwise — of 2018?

Lewis Hamilton celebrates victory on the 2018 Abu Dhabi Grand Prix podium.

Lewis Hamilton’s refusal to ease off in the twilight of 2018 is foreboding for his 2019 rivals.

Lewis Hamilton celebrates pole position at the 2018 Abu Dhabi Grand Prix.

Hamilton’s domination in Abu Dhabi proves he’s in no mood to slow down in 2019.

Lewis Hamilton on track at the 2018 Abu Dhabi Grand Prix.

Lewis Hamilton converted pole to victory ahead of Sebastian Vettel.

Lewis Hamilton on track at the 2018 Abu Dhabi Grand Prix.

Mercedes’s fifth consecutive front-row lockout in Abu Dhabi is an F1 record.

Lewis Hamilton on track at the 2018 Brazilian Grand Prix.

Lewis Hamilton took his 10th pole of the season with a new Interlagos lap record.

Mercedes claimed a lucky win in Brazil to crown itself world champion.

Lewis Hamilton on track at the 2018 Brazilian Grand Prix.

Mercedes claimed its fifth title after Hamilton inherited victory from a spun-out Verstappen.

Mercedes is set to claim its fifth constructors championship at this weekend’s Brazilian Grand Prix.