How much does the 2008 Cadillac STS cost?

The 2008 Cadillac STS has a starting MSRP of $43,775, ranging up to $78,775 for the top trim. Trim pricing includes V6 from $43,775; V8 Luxury from $53,275; Base from $78,775.

What is the fuel economy of the 2008 Cadillac STS?

The 2008 Cadillac STS achieves up to 20 MPG combined (EPA estimate), depending on trim and configuration.

How much cargo space does the 2008 Cadillac STS have?

The 2008 Cadillac STS offers up to 13.8 cubic feet of cargo capacity, depending on trim and seating configuration.

How much can the 2008 Cadillac STS tow?

The 2008 Cadillac STS has a maximum towing capacity of up to 1,000 pounds, depending on trim and equipment.

How many trims does the 2008 Cadillac STS come in?

The 2008 Cadillac STS is available in 3 trims across Sedan body styles with rear wheel drive.

2008 Cadillac STS

3 trims · Sedan

Starting MSRP

$43,775 – $78,775

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NHTSA safety

Not rated

Frontal (driver)★★★★☆

Frontal (passenger)★★★★☆

Rollover★★★★★

Source: NHTSA

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Pricing

How much should you pay for the Cadillac STS? Select a trim to update purchase and lease estimates.

MSRP by trim

Select a trim to update the payment estimates. MSRP is for each trim's base configuration and excludes destination, taxes, and options.

Purchase information

Based on V6

Total price (V6 MSRP)

$43,775

Typical monthly

$867/mo

Avg. APR

7.00%

60-month loan estimate for good credit (rates as of 2026-07-11). Not a credit offer; actual APR varies by lender, credit, and dealer.

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Compare 2008 Cadillac STS trims

V6
MSRP
$43,775
Fuel economy (city/hwy)
17/26
Horsepower
302 hp
Torque
272 lb-ft
Engine
3.6L V6 gas
Seating
5
Drivetrain
RWD
Cargo (cu ft)
13.8
Max towing
1,000 lbs
V8 Luxury
MSRP
$53,275
Fuel economy (city/hwy)
15/24
Horsepower
320 hp
Torque
315 lb-ft
Engine
4.6L V8 gas
Seating
5
Drivetrain
RWD
Cargo (cu ft)
13.8
Max towing
1,000 lbs
Base
MSRP
$78,775
Fuel economy (city/hwy)
13/19
Horsepower
469 hp
Torque
439 lb-ft
Engine
4.4L V8 gas
Seating
5
Drivetrain
RWD
Cargo (cu ft)
13.8
Max towing
1,000 lbs

Compare 2008 Cadillac STS trim specifications
Spec	V6	V8 Luxury	Base
MSRP	$43,775	$53,275	$78,775
Fuel economy (city/hwy)	17/26	15/24	13/19
Horsepower	302 hp	320 hp	469 hp
Torque	272 lb-ft	315 lb-ft	439 lb-ft
Engine	3.6L V6 gas	4.6L V8 gas	4.4L V8 gas
Seating	5	5	5
Drivetrain	RWD	RWD	RWD
Cargo (cu ft)	13.8	13.8	13.8
Max towing	1,000 lbs	1,000 lbs	1,000 lbs

Manufacturer specifications by trim and drivetrain. Same trim names with different MSRPs are distinct FWD/AWD (or other drivetrain) configurations from the catalog. MSRP excludes destination fees, taxes, and dealer-installed options.

Full specifications

Engine & drivetrain

Engine type: V6gas
V8 Luxurygas
Basegas
Fuel type: V6regular unleaded
V8 Luxurypremium unleaded (required)
Basepremium unleaded (required)
Cylinders: V6V6
V8 LuxuryV8
BaseV8
Displacement: V63.6 L
V8 Luxury4.6 L
Base4.4 L
Horsepower: V6302 hp
V8 Luxury320 hp
Base469 hp
Torque: V6272 lb-ft
V8 Luxury315 lb-ft
Base439 lb-ft
Transmission: V66-speed shiftable automatic
V8 Luxury6-speed shiftable automatic
Base6-speed shiftable automatic
Drivetrain: V6rear wheel drive
V8 Luxuryrear wheel drive
Baserear wheel drive

Dimensions

Body type: V6Sedan
V8 LuxurySedan
BaseSedan
Doors: V64
V8 Luxury4
Base4
Seating: V65
V8 Luxury5
Base5
Length: V6196.7 in
V8 Luxury196.7 in
Base197.6 in
Width: V672.6 in
V8 Luxury72.6 in
Base72.6 in
Height: V657.6 in
V8 Luxury57.6 in
Base58.2 in
Wheelbase: V6116.4 in
V8 Luxury116.4 in
Base116.4 in

Capacity & weight

Cargo capacity: V613.8 cu ft
V8 Luxury13.8 cu ft
Base13.8 cu ft
Max cargo capacity: V613.8 cu ft
V8 Luxury13.8 cu ft
Base13.8 cu ft
Max towing: V61,000 lbs
V8 Luxury1,000 lbs
Base1,000 lbs
Curb weight: V63,973 lbs
V8 Luxury3,995 lbs
Base4,394 lbs
Fuel tank: V617 gal
V8 Luxury17 gal
Base17 gal

Fuel economy & EV

Combined MPG: V620
V8 Luxury18
Base15
City MPG: V617
V8 Luxury15
Base13
Highway MPG: V626
V8 Luxury24
Base19

Full specifications by trim
Spec	V6	V8 Luxury	Base
Engine & drivetrain
Engine type	gas	gas	gas
Fuel type	regular unleaded	premium unleaded (required)	premium unleaded (required)
Cylinders	V6	V8	V8
Displacement	3.6 L	4.6 L	4.4 L
Horsepower	302 hp	320 hp	469 hp
Torque	272 lb-ft	315 lb-ft	439 lb-ft
Transmission	6-speed shiftable automatic	6-speed shiftable automatic	6-speed shiftable automatic
Drivetrain	rear wheel drive	rear wheel drive	rear wheel drive
Dimensions
Body type	Sedan	Sedan	Sedan
Doors	4	4	4
Seating	5	5	5
Length	196.7 in	196.7 in	197.6 in
Width	72.6 in	72.6 in	72.6 in
Height	57.6 in	57.6 in	58.2 in
Wheelbase	116.4 in	116.4 in	116.4 in
Capacity & weight
Cargo capacity	13.8 cu ft	13.8 cu ft	13.8 cu ft
Max cargo capacity	13.8 cu ft	13.8 cu ft	13.8 cu ft
Max towing	1,000 lbs	1,000 lbs	1,000 lbs
Curb weight	3,973 lbs	3,995 lbs	4,394 lbs
Fuel tank	17 gal	17 gal	17 gal
Fuel economy & EV
Combined MPG	20	18	15
City MPG	17	15	13
Highway MPG	26	24	19