General

Item

Description

Vehicle type

four-door luxury sedan

Chassis layout

transversely mounted front engine and transaxle, front-wheel drive

Construction

unitized welded-steel body with rubber-isolated front cradle and rear suspension member

Body material

steel with aluminum hood and thermoplastic olefin bumper fascias

Trim levels

DeVille, DHS, DTS

Engine Type

DOHC V8

Bore x stroke, in/mm

3.66 x 3.31/93.0 x 84.0

Displacement, cu in'cc

279/4565

Compression ratio

10

Emissions controls

PCV, EGR, catalytic converter, evaporative system

Valvetrain

chain-driven dual overhead camshafts, roller-type finger followers, hydraulic lash adjusters, four valves per cylinder

Ignition

coil-on-plug cassette design with extended-life platinum-tipped spark plugs

Induction

molded-nylon center-feed intake manifold

Fuel delivery

sequential injection with top-feed twin-spray injectors

Horsepower, SAE net @ rpm

DTS: 300 @ 6000

DeVille, DHS: 275 @ 5600

Torque, SAE net @ rpm

DTS: 295 @ 4400

DeVille, DHS: 300 @ 4000

Recommended fuel

87 octane unleaded regular

Redline rpm

DTS: 6700

DeVille, DHS: 6400

Materials

Item

Description

Cylinder block

(upper and aluminum lower)

Cylinder heads

aluminum

Cam covers

aluminum

Crankshaft

nodular iron

Camshafts

nodular iron

Pistons

aluminum

Intake manifold

molded nylon

Exhaust manifolds

fabricated stainless steel

Transaxle

Item

Description

Type

Hydra-matic 4T80-E electronically controlled 4-speed automatic with overdrive and viscous torque converter clutch

Case material

die-cast aluminum

Transfer system link chain gear ratios

1st: 2.960:1

2nd: 1.626:1

3rd: 1.000:1

4th: 0.681:1

Reverse

2.130.1

Final drive ratio

3.11:1, DeVille, DHS

3.71:1 DTS

Chassis

Item

Description

Construction

safety cage unibody with front and rear rubber-isolated subframes

Front suspension

independent, strut-type with coil springs, anti-roll bar

Rear suspension

independent, semi-trailing arm with toe-control link, coil springs, electronic level control, anti-roll bar

Steering

Magnasteer rack-and-pinion with electronically controlled power assist

Stability system

StabiliTrak 2.0(optional DeVille and DHS, standard DTS with CVRSS 2.0)

Brakes, f/r

vented disc/ disc with vacuum power assist

Rotor diameter x thickness, f/r

303mm x 32mm/297mm x 11mm

ABS

Delco-Bosch 5.3 four-channel with electronic proportioning (using select-low application strategy for rear brakes)

Tires

P225/60SR-16 Michelin all-season blackwall (standard DeVille, DHS)

P235/55HR-17 Goodyear blackwall all-season performance radials (standard DTS)

Wheels

7 x 16-inch cast aluminum with machined and painted or chromed finish (DeVille)

7 x 16-inch cast aluminum with painted or chromed finish (DHS)

7 x 17-inch cast aluminum with chromed finish (DTS)

Trailer tow capacity

2,000 lbs. standard (3,000 lbs. optional on DTS only)

Dimensions & Capacities

(in./mm except where noted)

Item

Description

Wheelbase

115.3/2929

Length

207.2/5258

Width

74.5/1891

Height

56.7/1439

Front track

62.7/1590

Rear track

62.2/1578

Ground clearance

5.3/134

Turn circle, curb to curb, left/right ft

40.2/41.4

Curb weight, lbs

3978 DeVille, 4049 DHS, 4047

DTS F/R distribution, %

61/39 @ curb vehicle mass

53/47 @ gross vehicle mass

Steering wheel turns lock-to-lock

2.5

Fuel capacity, gal

18.5 gal.

Interior

(in./mm. except where noted)

Item

Description

Front head room

39.1/992

Front leg room

42.4/1077

Front hip room

56.4/1432

Front shoulder room

60.4/1532

Front seat travel

8.7/220

Rear head room

38.4/974

Rear leg room

43.2/1098

Rear hip room

56.7/1438

Rear shoulder room

60.1/1526

Front interior volume, cu ft

57.8

Rear interior volume, cu ft

57.5

Total passenger volume, cu ft

114.3

Usable luggage capacity, cu ft

19.1

EPA volume index, cu ft

134.4