Here is my confessional list, with a few comments...!

Bikes.... 1968 to 2018 with many gaps...

Lambretta Li150
Honda CB 175
Triumph New Bonneville (2)
Triumph New Thruxton
Triumph Trophy 4 cylinder
Triumph Tiger
Triumph XC Tiger
Triumph Thruxton S 2016 model.

Cars...... 1972 to Date... Includes Company Cars (CC) and Caroline's cars.
Best and Worst cars noted)

Ford Prefect (2)
Ford Cortina
Hillman Hunter
Hillman Avenger (CC) {unspeakably bad!!}
Hillman Imp (2) (Carolines)
Alfa Sud
Alfa Sud Ti (2) (Caroline's)
Vauxhall Cavalier (2) (CC)
Peugeot 405 (CC)
Alfa 33 Green Cloverleaf (Carolines)
Ford Granada (CC)
Mercedes E200 (CC) (In Germany)
Alfa 147 (In Germany)
Mercedes E200 Estate (CC then mine) (In Germany then UK)
Alfa 156 (Carolines)
Mercedes 180 2.6 (Dad's car) [Joint Best Car]
Audi TT Quattro Carolines)
Mercedes E Coupe
Mercedes C350D Coupe (Carolines)
Mercedes C180
Mercedes SLK
Range Rover Evoque [worst car I've owned]
Morgan Roadster
BMW 320 Waggon
Morgan Super Sport Plus 8 (Still owned)
Mercedes A35
Mercedes C43 Coupe (still owned, Carolines)
BMW M140
Mercedes C63 Estate
Tesla 3 Long Range
Porsche Boxster S (Still Owned) [joint best car]

Not as long a list as Alistair thought....

Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...