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***HDi fun*** · 03-08-2010, 06:32 PM

Diesel wins the flywheel torque race simply on account of it's high cylinder brake mean effective pressure.

Petrol wins the revs race but then again a well designed diesel turbo will be pulling strongly from under 1500rpm all the way to 4500rpm which means you can treble your speed in any gear without a change.

A revvy petrol might not give it's best until 5000rpm and it's party time over by 7500 so you can only increase speed by 50% in one gear.

It's driver preference now to be honest. I've recently returned to petrol in the form of a 528i E39 with the Steptronic 5spd auto.

Is it as quick as the remapped 2.2 HDi Peugeot?

No, it isn't. But not by a huge margin either.

Had the funds been available I'd have gone for a 530d with the Steptronic 'box, although I'd happily have taken a manual if it were available.

03-08-2010, 06:32 PM	#24 (permalink)
*HDi fun* Moderator Torque King Car: E39 Join Date: Apr 2006 Location: Buckinghamshire UK Posts: 11,305	Re: Is Diesel 'cheap' muscle? Diesel wins the flywheel torque race simply on account of it's high cylinder brake mean effective pressure. Petrol wins the revs race but then again a well designed diesel turbo will be pulling strongly from under 1500rpm all the way to 4500rpm which means you can treble your speed in any gear without a change. A revvy petrol might not give it's best until 5000rpm and it's party time over by 7500 so you can only increase speed by 50% in one gear. It's driver preference now to be honest. I've recently returned to petrol in the form of a 528i E39 with the Steptronic 5spd auto. Is it as quick as the remapped 2.2 HDi Peugeot? No, it isn't. But not by a huge margin either. Had the funds been available I'd have gone for a 530d with the Steptronic 'box, although I'd happily have taken a manual if it were available.