Since when does hp have to do with pickup?

Torque will win a race 0-60.

I've never heard of an '89 300D, save maybe for Europe. A non-turbo six cylinder should have about 107 bhp. A turbo version should have about 148 bhp.

Torque for the turbo is 201 lb/ft at 2400 whereas your 300D 2.5 has 165 lb/ft.

Most likely, it was an '87 model if you live in the US.

For arguing the torque vs hp wars, you need only look to the E320 CDI. 0-60 in 6.5 secs with only 201 hp and 3835 lbs to haul.

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1987 300SDL (324000)

1986 Porsche 951 (944 Turbo) (166000)

1978 Porsche 924 (99000)

1996 Nissan Pathfinder R50 (201000)