Cadillac STS Cadillac STS 2008 Audi A5 / S5 / RS5 Audi A5 / S5 / RS5 2018

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Cadillac STS vs. Audi A5 / S5 / RS5 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. Audi A5 / S5 / RS5 Invoice Comparison

Lowest Total Price: $63,430

Audi A5 / S5 / RS5 S5 Sportback 3.0T   
Difference: $18,220

Lowest Total Invoice: $59,061

Audi A5 / S5 / RS5 S5 Sportback 3.0T   
Difference: $15,893

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelSTSA5 / S5 / RS5
TrimSTS-VS5 Sportback 3.0T
Body4dr Sedan4dr Hatch
Base Price $77,575 $54,400
Base Invoice $71,083 $50,592
Sunroof 1,200  
S Sport Package   2,500
Prestige Package   4,400
Cold Weather Package   500
Cargo net   80
Metallic paint (extra cost)   575
Sunroof 996  
S Sport Package   2,326
Prestige Package   4,092
Cold Weather Package   466
Cargo net   74
Metallic paint (extra cost)   536
Options (change) 1,200 8,055
Options (change) 996 7,494
Destination 775 975
Gas Tax 2,100 0
Total Price $81,650 $63,430
Total Invoice $74,954 $59,061

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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

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

Request free, no-obligation Cadillac STS dealer quotes or Audi A5 / S5 / RS5 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. Audi A5 / S5 / RS5

Lowest Adjusted Price and Invoice: Audi A5 / S5 / RS5 S5 Sportback 3.0T
TrueDelta Adjusted Price Difference: $24,335
TrueDelta Adjusted Invoice Difference: $21,587
Model Year20082018
ModelSTSA5 / S5 / RS5
TrimSTS-VS5 Sportback 3.0T
Body4dr Sedan4dr Hatch
Engine469hp V8354hp V6
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)13/19 MPG18/26 MPG
Audio (watts, speakers)300, 15755, 19
Tire (rear if not all the same)255/45-18245/40-18
Total Price$81,650$63,430
Adjustments for Features0-6,115
Feature-Adjusted Total Price$81,650$57,315
Total Invoice$74,954$59,061
Adjustments for Features0-5,694
Feature-Adjusted Total Invoice$74,954$53,367

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Features Comparison: Cadillac STS vs. Audi A5 / S5 / RS5

Model Year20082018
ModelSTSA5 / S5 / RS5
TrimSTS-VS5 Sportback 3.0T
Body4dr Sedan4dr Hatch
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Power liftgate $350
Remote app $25
Remote start$150 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Collision preparation system, rear $100
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning$200 
Obstacle detection, front $150
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rollover sensor $50
Secondary collision brake assist $25
Tires, run-flat$150 
Torque vectoring, brake-based $100
Vehicle exit assist $25
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Cargo cover $75
Rear seat pass-through$100 
Climate Control 
Rear air vents with automatic controls $250
Rear air vents with manual controls$150 
Drivetrain 
Active rear differential $500
Limited-slip rear differential$300 
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Body kit (gray/black) $0
Laminated front side windows$200 
Painted brake calipers (optional) $0
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
Aux input $50
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player, remote $100
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
Media drive $15
MP3-compatible player $50
Rear seat audio controls$25 
SD Card slot $25
Telematics service, such as OnStar $200
Telematics service, such as OnStar, with navigation$225 
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Auto-dimming headlights$200 
Auto-dimming passenger-side mirror $75
Boost gauge $75
Compass $0
Fog light, rear $100
Headlight washers$50 
Interior ambient lighting, configurable $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Power-folding mirrors $50
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim $100
Door sill trim plates$100 
Folding second row seats $300
Illuminated door sill trim plates $200
Leather door panel trim$250 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Massage, driver seat $100
Massage, passenger seat $100
Metal pedals $75
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Synthetic suede door panel trim $250
Upholstered door armrests (optional) $0
Upholstered instrument panel, leather$1000 
Wood trim$300 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Auto-leveling rear shocks$200 
Electronic systems calibration selector $200
Performance steering system (optional)$0 
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$5,875$11,990
Value of Feature Adjustments$0$6,115
Value of Feature Adjustments0-5,694

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Specifications Comparison: Cadillac STS vs. Audi A5 / S5 / RS5

Model Year20082018
ModelSTSA5 / S5 / RS5
Body4dr Sedan4dr Hatch
Wheelbase116.4 in111.2 in
Length196.7 in186.3 in
Width72.6 in72.6 in
Height57.6 in54.6 in
Curb Weight4,233 lb.4,089 lb.
Fuel Capacity17.0 gal.15.3 gal.
Row 1 Headroom38.7 in39.4 in
Row 1 Shoulder Room58.6 in55.7 in
Row 1 Hip Room54.6 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom37.9 in37.0 in
Row 2 Shoulder Room57.4 in54.5 in
Row 2 Hip Room55.6 in0.0 in
Row 2 Legroom38.3 in35.1 in
Cargo Volume,
Minimum
13.8 ft321.8 ft3
Cargo Volume,
Maximum
13.835.0 ft3

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Option Package Details
Audi A5 / S5 / RS5 S5 Sportback 3.0T

S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500No
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested00%
Total Not Requested1000100%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Surround sound250Yes
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
Handwriting recognition200No
Remote app25No
Speed limit information0No
4G LTE connectivity0No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Wi-Fi hotspot50No
Total Requested127546%
Total Not Requested151554%
Cold Weather Package
FeatureValueRequested?
Heated second row seats200Yes
Heated steering wheel100Yes
Total Requested300100%
Total Not Requested00%

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