For example the latest Honda Civic 1.5 Turbo produces 40bhp and 50lb/ft more than the previous non-Turbo 1.8
Correct but not the whole story.
The old 1.8 had 140 bhp and 128 lbs of torque (@ 4300 rpm)
The new 1.5 turbo has 182 bhp and 177 lbs of torque (@ 1900 rpm)
The old 1800 needed ragging to get anything like decent performance. If the new 1500 drives anything like a VAG 1.4 TSi (which it should) it will be in a different league. Shane they don't fit it in the HRV, if they did we would ahve looked at that car with more interest.
As for active regens all DPF equipped cars do them but the intervals and the way they go about it are very different. 2 examples.
BMW 118D EURO 4. Did an active regen pretty much on a had-hoc basis but when they started they could last up to 30 miles. If you turned the engine off during a regen it would start up again the next time the engine achived nomal opererating temp. In 5 1/2 years averaging 7000 miles a year we had no issues
Kia Ceed CRDi EURO 5. Did an active regen every 300 miles (250 after a software update) and lasted about 15 minutes/15 miles on the motorway if you stuck to the 60 mph recommended in the manual. Go faster or slower and the regen would be noticably longer. If you turned the engine off during a regen you had to guess when it would recommence, could be anywhere between 50 and 100 miles with no apparent logic. In 5 years averaging 8000 miles a year we had no issues.
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