Quote:
Originally Posted by Packard8
Yes, I would expect more gains since 1987. My daily driver is a 1996 Impala SS which weighs in around #4500 and is powered by a Corvette LT1 5.7L V8 and has "power everything". The window sticker shows an EPA est of 16 MPG city, 26 MPG hwy but I've seen as high as 28-29 on the highway (hand calculated over two or three tanks and cruising @ +/- 70 MPH).
13 years and not much progress.....???
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It shows that combustion technology matured long ago.
The only way to gain efficiency is through hybridization, using lighter materials and smaller tires, reducing wind-resistance and through the use of a more efficient drivetrain (think CVT, 6 and 7 speed transmissions) etc.........
Honda is known for efficient engines but look at what their Ridgeline pick-up, Odyssey Vans and Pilot get for mileage.
