• The DeVille, d’Elegance and Concours sedans again comprised the series.
• The DeVille and d'Elegance used the 275-horsepower version of the Northstar 4.6-liter V-8 for power while the Concours featured the 300-horse Northstar.
• Both versions of the engine were coupled to the 4T80-E electronically controlled four-speed automatic transmission with viscous converter clutch.
• The StabiliTrak stability control system was already standard equipment on the Concours and offered on the DeVille and d’Elegance as part of a safety/security option package that also included an electronic compass/mirror, audible theft deterrent system and programmable garage door opener.
• The DeVille series offered four new exterior colors for 1998:
  • Baltic Blue
  • Gold Firemist
  • Moonstone
  • Crimson Pearl
• Inside, two new interior color choices were available:
  • Camel (available only in leather)
  • Pewter (available in cloth or leather in the DeVille and leather only in d’Elegance and Concours)
• Additionally, the series' personalization feature added two new locking modes to the three that already existed:
  • all doors lock when shifting out of park and only the driver's door unlocks when the key is turned off.
  • all doors lock when shifting out of park and unlock when the key is turned off
• Also, the remote keyless entry fob added a feature: when the lock button was pressed, the horn sounded to verify that the doors were locked.
• All three sedans now came with an airbag warning label affixed to the passenger visor and each received a revised electrochromic day/night inside rearview mirror.
• The radio installed in DeVille series sedans also received a mute button and Theftlock, while radio data system (PDS) and weather band were offered as part of the optional Active Audio sound system.
• PDS allowed broad-casters to deliver a 1200-bits-per-second data stream along with audio content.
• The Concours' standard radio also received an in-dash, single-slot CD player.
• Unique new standard features to the Concours included restyled 16-inch cast aluminum wheels as well as the next generation of Magnasteer that reacted to lateral acceleration as well as speed.
• When the cornering rate was up, as sensed by an on-board lateral accelerometer, steering effort was automatically increased to enhance the driver's feel of the road.
• Both the d’Elegance and Concours added heated front seats to their list of standard fare.
• The OnStar in-vehicle communications system was again offered to DeVille/ d’Elegance /Concours buyers as a dealer-installed option.

Model Number	Style Number	Body Type	Seating	Factory Price	Shipping Weight	Production Total
KD5	D69	4-door Sedan	6	37695	4063	111,030
KE5	E69	4-door d'Elegance Sedan	6	41295	4052
KF5	F69	4-door Concours Sedan	6	42295	4012

Feature	Dimension
Wheelbase	113.8 in.
Overall Length	209.8 in.
Height	56.0 in.
Width	76.5 in.
Front Tread	60.9 in.
Rear Tread	60.9 in.
Deville Tires	Michelin P225/60SR16
Concours Tires	Goodyear Eagle RS-A P225/60HR16

V92 3,000-Pound Trailer Towing Pkg.	$110
R8J Special Ed. Pkg.	$2,497.
WA7 Comfort/Convenience Pkg.	$867.
WA8 Safety/Security Pkg. on DeVille d’Elegance	$995
WA8 Safety/Security Pkg. on Concours	$502.
Express Open Sunroof	$1,550.
White Diamond Paint	$500
Crimson Pearl Paint	$500.
H.D. Livery Pkg.	$160.
Leather Seats	$785.
Active Audio Sound Syst. w/Cassette & CD on DeVille	$670
Active Audio Sound Syst. w/Cassette & CD & Digital Signal Processing on DeVille	$770:
Active Audio Sound Syst. w/Cassette & CD & Digital Signal Processing on d'Elegance & Concours)	$100.
Trunk Mounted 12-Disc CD Changer	$595.
Trunk Storage Syst	$265.
Chrome wheels	$795.

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