Rocky wrote:
>
> I am looking at
> http://www.fueleconomy.gov/feg/bymod...da_Civic.shtml but I can't
> tell why some Civic 1.5L 5spd get better MPG than other lsited Civic 1.5L
> 5spd for the same year. Could it be because of 13" on the DX & 14" wheel on
> the LX? The MPG ratings are 42/46, 40/45, 34/40. What trim line of 1994
> Civic 5 speed gets the best MPG with a 1.5L 5 Speed? I assume this mileage
> will decline when the car is over 150,000 miles?

There were a number of different engines used in the Civic that year:

D15B8: 70 HP, 1.5l 8 valve engine used in the CX hatchback
D15Z1: 92 HP, 1.5l 16 valve VTEC-e used in the VX hatchback
D16Z6: 125 HP, 1.6l 16 valve VTEC engine used in the Si hatchback, the
EX sedan and the EX Coupe
D15B7: 102 HP 1.5l 16 valve engine used in all other varieties.

The VX with the D15Z1 engine was the most fuel efficient one, rated at
47 / 56 city / highway. It had the fuel efficient engine, lighter alloy
rims etc.

The CX was rated 42 / 46 and the DX hatch manual was rated 34/40

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