Cadillac STS Cadillac STS 2007 Dodge Viper Dodge Viper 2006

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Cadillac STS vs. Dodge Viper 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. Dodge Viper Invoice Comparison

Lowest Total Price: $52,555

Cadillac STS V8   
Difference: $35,140

Lowest Total Invoice: $49,187

Cadillac STS V8   
Difference: $30,983

Calculate Payments

  Down Payment Interest Rate Term
Model Year200720072006
ModelSTSSTSViper
TrimV8STS-VSRT10
Body4dr Sedan4dr Sedan2dr Coupe
Base Price $51,810 $73,810 $83,145
Base Invoice $48,442 $67,638 $75,704
Polished alloy wheels     700
Polished alloy wheels     616
Options (change) 0 0 700
Options (change) 0 0 616
Destination 745 745 850
Gas Tax 0 2,100 3,000
Total Price $52,555 $76,655 $87,695
Total Invoice $49,187 $70,483 $80,170

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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 Dodge Viper dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Cadillac STS vs. Dodge Viper

Lowest Adjusted Price and Invoice: Cadillac STS V8
TrueDelta Adjusted Price Difference: $41,730
TrueDelta Adjusted Invoice Difference: $37,151
Model Year200720072006
ModelSTSSTSViper
TrimV8STS-VSRT10
Body4dr Sedan4dr Sedan2dr Coupe
Engine320hp V8469hp V8510hp V10
TransmissionT6T6M6
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)?, 8300, 15310, 7
Tire (rear if not all the same)235/50-17255/45-18275/35-18
Total Price$52,555$76,655$87,695
Adjustments for Features-6,590-10,0800
Feature-Adjusted Total Price$45,965$66,575$87,695
Cost Above Minimum$0$20,610$0
Total Invoice$49,187$70,483$80,170
Adjustments for Features-6,168-9,2680
Feature-Adjusted Total Invoice$43,019$61,215$80,170
Cost Above Minimum$0$18,196$0

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Features Comparison: Cadillac STS vs. Dodge Viper

Model Year200720072006
ModelSTSSTSViper
TrimV8STS-VSRT10
Body4dr Sedan4dr Sedan2dr Coupe
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100 
6-speed manual  $150
RWD$0$0$0
Accessories 
Cruise control$150$150 
Heated steering wheel$100$100 
Power rear side windows$200$200 
Power-adjustable pedals  $125
Proximity key$250$250 
Remote start$150$150 
Tilt steering wheel, manual  $150
Tilt/telescoping steering wheel, power$350$350 
Universal garage door opener$100$100 
Brakes, Airbags, and Other Safety 
Brake assist$50$50 
Front side airbags$350$350 
Obstacle detection, rear$250$250 
Side curtain airbags$350$350 
Stability control$400$400 
Tires, run-flat $150$150
Traction control$100$100 
Cargo Management 
Cargo net$40$40 
Rear seat pass-through$100$100 
Climate Control 
Automatic climate control, front$200$200 
Dual-zone climate control$125$125 
Heated windshield washer nozzles $15 
Interior air filter$0$0 
Rain-sensing wipers$175$175 
Rear air vents with manual controls$150$150 
Variable intermittent wipers  $75
Drivetrain 
Limited-slip rear differential $300$300
Exterior 
Bright-finished exhaust tip(s)$25$25 
Bright-finished fuel door  $100
Hood scoop  $100
Laminated front side windows$200$200 
Rear spoiler $200$200
Infotainment 
Audio controls on steering wheel$125$125 
Bluetooth cell phone link $100 
DVD-compatible player $0 
Navigation system $600 
Rear seat audio controls $25 
Satellite radio$200$200 
Surround sound $250 
Telematics service, such as OnStar, with navigation$225$225 
Voice control for nav and audio $100 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror$75$75 
Auto-dimming headlights $200 
Auto-dimming rearview mirror$150$150 
Automatic headlights$125$125 
Compass$0  
Headlight washers $50 
Heated mirrors$25$25 
Illuminated visor mirror, driver$50$50 
Illuminated visor mirror, passenger$50$50 
Outside temperature display$50$50 
Trip computer$150$150 
Turn signals on or near mirrors$25$25 
Xenon HID headlights $500$500
Seats and Interior Trim 
Center armrest(s), second row$50$50 
Floor mats$75$75 
Heated front seats$200$200 
Heated second row seats$200$200 
Leather-wrapped steering wheel $150$150
Manual lumbar adjuster, driver seat  $50
Memory system, driver seat$200$200 
Power 4-way lumbar adjuster, driver seat$150$150 
Power 4-way lumbar adjuster, passenger seat$150$150 
Power fore-aft adjuster, driver seat$100$100 
Power fore-aft adjuster, passenger seat$100$100 
Power height adjuster, driver seat$100$100 
Power height adjuster, passenger seat$100$100 
Power recliner, driver seat$100$100 
Power recliner, passenger seat$100$100 
Power tilt adjuster, driver seat$100$100 
Power tilt adjuster, passenger seat$100$100 
Synthetic suede inserts in leather seating surfaces $0$0
Upholstered instrument panel, leather $1000 
Wood trim$300$300 
Wood/leather-wrapped steering wheel$150  
Suspension, Wheels, and Tires 
Alloy wheels $350 
Auto-leveling rear shocks$200$200 
Performance steering system (optional) $0 
Polished alloy wheels$350 $350
Sport suspension (upgrade) $0 
Total Value of Features$8,990$12,480$2,400
Value of Feature Adjustments$6,590$10,080$0
Value of Feature Adjustments-6,168-9,2680

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Specifications Comparison: Cadillac STS vs. Dodge Viper

Model Year20072006
ModelSTSViper
Body4dr Sedan2dr Coupe
Wheelbase116.4 in98.8 in
Length196.3 in175.6 in
Width72.6 in75.2 in
Height57.6 in48.6 in
Curb Weight3,961 lb.3,436 lb.
Fuel Capacity17.0 gal.18.5 gal.
Row 1 Headroom38.7 in36.5 in
Row 1 Shoulder Room58.6 in54.1 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in42.4 in
Row 2 Headroom37.9 in0.0 in
Row 2 Shoulder Room57.4 in0.0 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in0.0 in
Cargo Volume13.8 ft36.8 ft3

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