TABLE 3-6: Estimated RPEs for DISC Engines
Engine I Without VVLT I With VVLT
4-cylinder I $500-$550 I $750-$850
6-cylinder $650-$700 $1,125-$1,250
8-cylinder I $850 -$900 I $1.350 -$1.500
KEY: RPE = retail price effect; DISC= direct injection stratified charge; VVLT = variable
Variable valve timing.
SOURCE: Energy and Environmental Analysis, Inc., “Automotive Technologies To Improve
Fuel Economy to 2015,” prepared for the Office of Technology Assessment, June 1995.
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