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EPA vs. reality Posted by Saana88 [Email] ![]() ![]() ![]() In Reply to: Re: gas milage 85 turbo, Onslow, Sun, 16 Sep 2007 04:27:37 Members do not see ads below this line. - Help Keep This Site Online - Signup |
On,
I'm afraid a whole lot changed besides the head from '84 to '85. Mechanical continuous-flow fuel injection became electronic fuel injection, which can compensate for air temperature variations. 8 valves became 16 and the transmission was geared higher. The EPA numbers underwent a whole lot of changes from 1983 to 1988. Even with brand new cars, they discriminate against cars with a manual transmission. For an '85 base model, the EPA "mixed driving" number is 23 when our '85 usually got us 27-31, even after nearly 200k. The highway number is 36 and that's what the car got on an actual trip, before gasoline was reformulated in the mid 1990s.
Another example: The EPA numbers for my '92 SC (nonturbo) are 20 and 26. I get 27 and 34. That's a 31-35% error. That's ridiculous.
When I was driving long distances ("highway") shuttling brand new Volvos from one dealer to another, I used the trip computers to check EPA versus reality. One car, an automatic, had EPA numbers of 22 and 29. It got 27. Another car, with the same engine but a five-speed, had EPA numbers of 22 and 27. It got 34.
Skippy Squirrel: Skeeeeeeeeew!
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