Cadillac STS Cadillac STS 2008 Chevrolet Impala Chevrolet Impala 2017

We are 103,000+ car owners sharing real-world car information.

Join Us

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: $41,555

Chevrolet Impala Premier   
Difference: $24,285

Lowest Total Invoice: $39,686

Chevrolet Impala Premier   
Difference: $20,687

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082017
ModelSTSImpala
TrimV8Premier
Body4dr Sedan4dr Sedan
Base Price $53,275 $35,845
Base Invoice $49,812 $34,411
Preferred Equipment Group 1SG 11,690  
Engine-block heater 100 100
Navigation Package   495
Enhanced Convenience Package   1,035
Advanced Technology Package   735
Adaptive cruise control   595
245/40VR20   400
Rear spoiler   425
Panoramic sunroof   1,050
Preferred Equipment Group 1SG 9,703  
Engine-block heater 83 91
Navigation Package   450
Enhanced Convenience Package   942
Advanced Technology Package   669
Adaptive cruise control   541
245/40VR20   364
Rear spoiler   387
Panoramic sunroof   956
Options (change) 11,790 4,835
Options (change) 9,786 4,400
Destination 775 875
Total Price $65,840 $41,555
Total Invoice $60,373 $39,686

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

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 Premier
TrueDelta Adjusted Price Difference: $24,525
TrueDelta Adjusted Invoice Difference: $20,916
Model Year20082017
ModelSTSImpala
TrimV8Premier
Body4dr Sedan4dr Sedan
Engine320hp V8305hp V6
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$41,555
Adjustments for Features0-240
Feature-Adjusted Total Price$65,840$41,315
Total Invoice$60,373$39,686
Adjustments for Features0-229
Feature-Adjusted Total Invoice$60,373$39,457

Return to top

Features Comparison: Cadillac STS vs. Chevrolet Impala

Model Year20082017
ModelSTSImpala
TrimV8Premier
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
RWD$0 
FWD $0
Accessories 
AC power outlet $100
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 
Exterior 
Panoramic sunroof $1200
Sunroof$900 
Infotainment 
4G LTE connectivity $0
Android Auto support $100
App support $0
Apple CarPlay support $100
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
SMS text-to-speech reader $25
USB port $25
Voice control for external devices $0
Wi-Fi hotspot $50
Wireless charging station $75
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$6,340
Value of Feature Adjustments$0$240
Value of Feature Adjustments0-229

Return to top

Specifications Comparison: Cadillac STS vs. Chevrolet Impala

Model Year20082017
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

Return to top

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
Additional engine cooling0No
Power steering cooler0No
Performance steering system (optional)250No
Sport suspension (upgrade)250No
Performance braking system (optional)250No
Limited-slip rear differential300No
Rear spoiler200Yes
Voice control for nav and audio100Yes
Navigation system600Yes
Bluetooth cell phone link100Yes
Surround sound250Yes
DVD-compatible player0No
Rear seat audio controls25No
Bose, 300W, 15 speakers (with subwoofer)350No
Total Requested380057%
Total Not Requested292543%

Option Package Details
Chevrolet Impala Premier

Navigation Package
FeatureValueRequested?
Navigation system600Yes
Voice control for nav and audio75Yes
Speed limit information0No
Total Requested675100%
Total Not Requested00%
Enhanced 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%
Advanced Technology Package
FeatureValueRequested?
AC power outlet100No
Surround sound250Yes
Bose, 11 speakers (with subwoofer)350No
Wireless charging station75No
Total Requested25032%
Total Not Requested52568%
Adaptive cruise control
FeatureValueRequested?
Radar- or camera-based collision preparation system0No
Adaptive cruise control, all-speed700No
Automatic braking, high-speed or partial200No
Total Requested00%
Total Not Requested900100%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans
See TrueDelta's information for all Cadillac models.