Your car comparison

Here's how the 2006 Cadillac DTS, 2005 Cadillac STS, 2006 Cadillac STS and the 1998 Mercury Grand Marquis measure up.
4dr Sdn w/1SB
$41,195
Starting MSRP
Photo not available
4dr Sdn V6
$40,525
Starting MSRP
4dr Sdn V6
$41,020
Starting MSRP
Photo not available
$22,090
Starting MSRP

Overview

Door
4-door 4-door 4-door 4-door
Seats
6 5 5 6
Engine

275.0-hp, 4.6-liter, 8 Cylinder Engine(Gasoline Fuel)

260.0-hp, 3.6-liter, V6 Cylinder Engine(Gasoline Fuel)

255.0-hp, 3.6-liter, V6 Cylinder Engine(Gasoline Fuel)

200.0-hp, 4.6-liter, 8 Cylinder Engine(Gasoline Fuel)

Combined MPG
0 0 0 0
Size
207.6" length, 57.6" height 196.3" length, 57.6" height 196.3" length, 57.6" height 211.9" length, 56.8" height
Drivetrain
Front Wheel Drive Rear Wheel Drive Rear Wheel Drive Rear Wheel Drive

Exterior color

Exterior color

Interior color

Interior color

Black

Neutral Shale

Midnight Blue

Titanium

Light Cashmere

Blue

Black

Gray

Blue

Black

Gray

Medium Prarie Tan

Graphite

Oxford White / Lt Graphite

Dark Pumice

Ruby Red

Transmissions

Transmissions

A/T

4-Speed A/T

A/T

Transmission w/Dual Shift Mode

5-Speed A/T

A/T

Transmission w/Dual Shift Mode

5-Speed A/T

A/T

4-Speed A/T

Vehicle

EPA Classification
Full Size - - Large

Wheels

Front Wheel Size
17 x 7 in - - 16 x 7.0 in
Rear Wheel Size
17 x 7 in - - 16 x 7.0 in
Spare Wheel Size
Compact in - - 16 x 4.5 in
Front Wheel Material
Aluminum - - Steel
Spare Wheel Material
Steel - - Steel
Rear Wheel Material
Aluminum - - Steel

Electrical

Maximum Alternator Capacity (amps)
150 - - 130
Cold Cranking Amps @ 0° F (Primary)
N/A - - 650

Engine

SAE Net Torque @ RPM
292 @ 4400 - - 275 @ 3000
SAE Net Horsepower @ RPM
275 @ 5200 - - 200 @ 4250
Engine Type
Gas V8 - - Gas V8
Displacement
4.6L/279 - - 4.6L/281

Mileage

EPA Fuel Economy Est - City
17 MPG - - 17 MPG
EPA MPG Equivalent - Combined
N/A - - N/A
EPA MPG Equivalent - Hwy
N/A - - N/A
EPA MPG Equivalent - City
N/A - - N/A
Fuel Economy Est-Combined
N/A - - N/A
Cruising Range - Hwy
450.00 mi - - 456.00 mi
Estimated Battery Range
N/A - - N/A
EPA Fuel Economy Est - Hwy
25 MPG - - 24 MPG
Cruising Range - City
306.00 mi - - 323.00 mi

Suspension

Suspension Type - Rear (Cont.)
- - - w/Coil Springs
Suspension Type - Rear
Independent - - Watt's Linkage
Suspension Type - Front (Cont.)
- - - w/Coil Springs
Suspension Type - Front
Independent - - Independent SLA

Brakes

Brake Type
Pwr - - Power
Front Brake Rotor Diam x Thickness
12.7 x 1.18 in - - 12.4 x 1.1 in
Disc - Front (Yes or )
Yes - - Yes
Rear Brake Rotor Diam x Thickness
11.5 x 0.47 in - - 11.1 x 0.55 in
Brake ABS System (Second Line)
N/A - - N/A
Disc - Rear (Yes or )
Yes - - Yes
Brake ABS System
4-wheel - - -

Fuel Tank

Fuel Tank Capacity, Approx
18 gal - - 19.0 gal
Aux Fuel Tank Capacity, Approx
N/A - - N/A

Steering

Lock to Lock Turns (Steering)
2.2 - - 3.4
Turning Diameter - Wall to Wall
N/A - - 43.1 ft
Steering Ratio (:1), Overall
14.2 - - 16.4
Turning Diameter - Curb to Curb
44 ft - - 40.3 ft
Steering Type
Pwr Rack & Pinion - - Speed-Sensitive Pwr Recirculating Ball

Tires

Spare Tire Size
Compact - - T145/80D16
Front Tire Size
P235/55SR17 - - P225/60SR16
Rear Tire Size
P235/55SR17 - - P225/60SR16

Trailering

Wt Distributing Hitch - Max Trailer Wt.
- - - 2000 lbs
Wt Distributing Hitch - Max Tongue Wt.
- - - 200 lbs
Dead Weight Hitch - Max Tongue Wt.
100 lbs - - 200 lbs
Dead Weight Hitch - Max Trailer Wt.
1000 lbs - - 2000 lbs

Weight Information

Base Curb Weight
4009 lbs - - 3917 lbs

Dimensions

Length, Overall
207.6 in - - 211.9 in
Min Ground Clearance
N/A - - 5.2 in
Passenger Capacity
5 - - 6
Track Width, Front
62.6 in - - 63.4 in
Passenger Volume
105.5 ft³ - - 109.3 ft³
Front Shoulder Room
60.0 in - - 60.1 in
Height, Overall
57.6 in - - 56.8 in
Second Leg Room
42.0 in - - 38.4 in
Second Shoulder Room
59.2 in - - 60.3 in
Front Leg Room
42.5 in - - 42.5 in
Liftover Height
N/A - - 26.6 in
Second Head Room
38.4 in - - 38.1 in
Trunk Volume
18.8 ft³ - - 20.6 ft³
Front Hip Room
57.3 in - - 58.0 in
Second Hip Room
55.7 in - - 59.0 in
Track Width, Rear
62.2 in - - 65.3 in
Width, Max w/o mirrors
74.8 in - - 78.2 in
Front Head Room
38.3 in - - 39.4 in
Wheelbase
115.6 in - - 114.7 in

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