Cadillac STS Cadillac STS 2008 Chevrolet Impala Chevrolet Impala 2015

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Cadillac STS vs. Chevrolet Impala Price Comparison (MSRP)

The sticker prices, before adjusting for remaining feature differences. Usually these are the numbers you will see on the window stickers.

Models in short supply often sell at or even above these prices.

Cadillac STS vs. Chevrolet Impala Invoice Comparison

Lowest Total Price: $40,615

Chevrolet Impala LTZ   
Difference: $25,225

Lowest Total Invoice: $38,081

Chevrolet Impala LTZ   
Difference: $22,292

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082015
ModelSTSImpala
TrimV8LTZ
Body4dr Sedan4dr Sedan
Base Price $53,275 $34,465
Base Invoice $49,812 $32,569
Preferred Equipment Group 1SG 11,690  
Engine-block heater 100 75
Navigation Package   495
Comfort and Convenience Package   1,035
Premium Audio Package   650
Adaptive cruise control   1,195
245/40VR20   400
Rear spoiler   425
Panoramic sunroof   1,050
Preferred Equipment Group 1SG 9,703  
Engine-block heater 83 66
Navigation Package   436
Comfort and Convenience Package   911
Premium Audio Package   572
Adaptive cruise control   1,052
245/40VR20   352
Rear spoiler   374
Panoramic sunroof   924
Options (change) 11,790 5,325
Options (change) 9,786 4,687
Destination 775 825
Total Price $65,840 $40,615
Total Invoice $60,373 $38,081

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

Dealer Price Quotes

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Request free, no-obligation Cadillac STS dealer quotes or Chevrolet Impala dealer quotes from dealers using our car quote form.

The process is easy and takes just a minute or two. You'll receive price quotes from local approved dealers within 48 hours.

TrueDelta Value Comparison: Cadillac STS vs. Chevrolet Impala

Lowest Adjusted Price and Invoice: Chevrolet Impala LTZ
TrueDelta Adjusted Price Difference: $25,340
TrueDelta Adjusted Invoice Difference: $22,400
Model Year20082015
ModelSTSImpala
TrimV8LTZ
Body4dr Sedan4dr Sedan
Engine320hp V8196hp I4
TransmissionT6T6
DrivetrainRWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 15?, 11
Tire (rear if not all the same)235/50-18245/40-20
Total Price$65,840$40,615
Adjustments for Features0-115
Feature-Adjusted Total Price$65,840$40,500
Total Invoice$60,373$38,081
Adjustments for Features0-108
Feature-Adjusted Total Invoice$60,373$37,973

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Features Comparison: Cadillac STS vs. Chevrolet Impala

Model Year20082015
ModelSTSImpala
TrimV8LTZ
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
FWD $0
Accessories 
AC power outlet $100
Active noise reduction $0
Adaptive cruise control$600 
Adaptive cruise control, all-speed $850
Remote app $25
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Cross-traffic warning, rear $100
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Radar- or camera-based collision preparation system $0
Rear side airbags $300
Rearview camera $200
Rollover sensor $50
Vehicle health reports $0
Cargo Management 
Cargo mat $40
Rear seat pass-through$100 
Climate Control 
Automatic air recirculation$100 
Rain-sensing wipers$175 
Rear air vents $100
Rear air vents with manual controls$150 
Variable intermittent wipers $75
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Exterior 
Panoramic sunroof $1200
Sunroof$900 
Infotainment 
4G LTE connectivity $0
App support $0
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player $125
DVD-compatible player$0 
HD radio $50
MP3-compatible player $50
Rear seat audio controls$25 
SD Card slot $25
Siri Eyes Free support $0
SMS text-to-speech reader $25
USB port $25
Voice control for external devices $0
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Compass $0
Fog lights$125 
Head-up display (HUD)$350 
Headlight washers$50 
Interior ambient lighting $150
Seats and Interior Trim 
Door sill trim plates$100 
Folding second row seats $300
Heated second row seats$200 
Leather-wrapped steering wheel $150
Upgraded floor mats $0
Wood trim$300 
Wood/leather-wrapped steering wheel$150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500 
Alloy wheels $350
Performance steering system (optional)$0 
Polished alloy wheels$350 
Sport suspension (upgrade)$0 
Total Value of Features$6,100$6,215
Value of Feature Adjustments$0$115
Value of Feature Adjustments0-108

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Specifications Comparison: Cadillac STS vs. Chevrolet Impala

Model Year20082015
ModelSTSImpala
Body4dr Sedan4dr Sedan
Wheelbase116.4 in111.7 in
Length196.7 in201.3 in
Width72.6 in73.0 in
Height57.6 in58.9 in
Curb Weight3,974 lb.3,731 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.7 in39.9 in
Row 1 Shoulder Room58.6 in57.9 in
Row 1 Hip Room54.6 in54.9 in
Row 1 Legroom42.6 in41.9 in
Row 2 Headroom37.9 in37.4 in
Row 2 Shoulder Room57.4 in56.9 in
Row 2 Hip Room55.6 in54.1 in
Row 2 Legroom38.3 in39.8 in
Cargo Volume13.8 ft318.8 ft3

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Option Package Details
Cadillac STS V8

Preferred Equipment Group 1SG
FeatureValueRequested?
Adaptive shocks - electrical500No
Cooled or ventilated front seats300Yes
Sunroof900Yes
Adaptive cruise control450Yes
235/50WR18 tires200No
255/45WR18 tires200No
Xenon HID headlights500Yes
Headlight washers50No
Auto-dimming headlights200No
Head-up display (HUD)350No
Lane departure warning system200Yes
Blind spot warning system200Yes
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200Yes
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Navigation system600Yes
Bluetooth cell phone link100Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Voice control for nav and audio100Yes
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested380057%
Total Not Requested292543%

Option Package Details
Chevrolet Impala LTZ

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75Yes
Speed limit information0No
Total Requested675100%
Total Not Requested00%
Comfort and Convenience Package
FeatureValueRequested?
Tilt/telescoping steering wheel, power100Yes
Cooled or ventilated front seats300Yes
Memory system, driver seat200Yes
Heated steering wheel100Yes
Auto-dimming driver-side mirror75Yes
Cargo mat40No
Upgraded floor mats0No
Universal garage door opener100Yes
Auto-dimming rearview mirror150Yes
Total Requested102596%
Total Not Requested404%
Premium Audio Package
FeatureValueRequested?
AC power outlet100No
Surround sound250Yes
Bose, 11 speakers (with subwoofer)350No
Total Requested25036%
Total Not Requested45064%
Adaptive cruise control
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Automatic braking, high-speed200No
Total Requested00%
Total Not Requested900100%

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