Cadillac XLR Cadillac XLR 2008 Audi A4 / S4 Audi A4 / S4 2018

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

Join Us

Cadillac XLR vs. Audi A4 / S4 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 XLR vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $59,080

Audi A4 / S4 S4 3.0T   
Difference: $42,220

Lowest Total Invoice: $55,015

Audi A4 / S4 S4 3.0T   
Difference: $34,882

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082018
ModelXLRA4 / S4
TrimXLR-VS4 3.0T
Body2dr Hardtop conv.4dr Sedan
Base Price $99,160 $51,400
Base Invoice $87,757 $47,802
Warm Weather Package   950
S Sport Package   2,500
Navigation and Telematics Package   2,600
Metallic paint (extra cost)   575
Cargo net   80
Warm Weather Package   884
S Sport Package   2,326
Navigation and Telematics Package   2,418
Metallic paint (extra cost)   536
Cargo net   74
Options (change) 0 6,705
Options (change) 0 6,238
Destination 840 975
Gas Tax 1,300 0
Total Price $101,300 $59,080
Total Invoice $89,897 $55,015

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 XLR dealer quotes or Audi A4 / S4 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 XLR vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $42,975
TrueDelta Adjusted Invoice Difference: $35,585
Model Year20082018
ModelXLRA4 / S4
TrimXLR-VS4 3.0T
Body2dr Hardtop conv.4dr Sedan
Engine443hp V8354hp V6
TransmissionT6T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)14/21 MPG21/30 MPG
Audio (watts, speakers)250, 9755, 19
Tire (rear if not all the same)235/45-19245/40-18
Total Price$101,300$59,080
Adjustments for Features0-755
Feature-Adjusted Total Price$101,300$58,325
Total Invoice$89,897$55,015
Adjustments for Features0-703
Feature-Adjusted Total Invoice$89,897$54,312

Return to top

Features Comparison: Cadillac XLR vs. Audi A4 / S4

Model Year20082018
ModelXLRA4 / S4
TrimXLR-VS4 3.0T
Body2dr Hardtop conv.4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
RWD$0 
AWD $1700
Accessories 
Heated steering wheel$100 
Power rear side windows $200
Remote app $25
Sunshades, second row $125
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial $200
Automatic braking, low-speed $200
Blind spot warning system $200
Brake assist $50
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
Obstacle detection, front $150
Pedestrian detection $50
Radar- or camera-based collision preparation system $0
Rearview camera $200
Rollover sensor $50
Secondary collision brake assist $25
Side curtain airbags $350
Temporary spare tire $150
Tires, run-flat$150 
Torque vectoring, brake-based $100
Vehicle exit assist $25
Cargo Management 
Air-conditioned storage compartment $50
Climate Control 
Automatic air recirculation $100
Heated windshield washer nozzles $15
Rear air vents with automatic controls $250
Drivetrain 
Active rear differential $500
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Exterior 
Body kit $0
Painted brake calipers (optional) $0
Power retractable hardtop$6750 
Rear spoiler $200
Sunroof $900
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
Aux input $50
Bluetooth audio streaming $25
Bluetooth cell phone link $100
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
SD Card slot $25
Surround sound $250
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 passenger-side mirror $75
Boost gauge $75
Compass $0
Fog light, rear $100
Head-up display (HUD)$350 
Headlight washers$50 
Interior ambient lighting $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Power-folding mirrors $50
Steering-linked headlights$150 
Turn signals on or near mirrors $25
Xenon HID headlights$500 
Seats and Interior Trim 
Aluminum trim $100
Center armrest(s), second row $50
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
Metal pedals $75
Synthetic suede inserts in leather seating surfaces$0 
Upholstered instrument panel, leather$1000 
Wood trim$300 
Suspension, Wheels, and Tires 
Auto-leveling rear shocks$200 
Electronic systems calibration selector $200
Transmission 
Launch control $100
Steering-wheel-mounted transmission controls $100
Total Value of Features$11,925$12,680
Value of Feature Adjustments$0$755
Value of Feature Adjustments0-703

Return to top

Specifications Comparison: Cadillac XLR vs. Audi A4 / S4

Model Year20082018
ModelXLRA4 / S4
Body2dr Hardtop conv.4dr Sedan
Wheelbase105.7 in111.0 in
Length177.7 in186.1 in
Width72.3 in72.5 in
Height50.4 in56.2 in
Curb Weight3,810 lb.3,858 lb.
Fuel Capacity18.0 gal.16.9 gal.
Row 1 Headroom37.6 in38.9 in
Row 1 Shoulder Room54.3 in55.9 in
Row 1 Hip Room53.0 in0.0 in
Row 1 Legroom42.6 in41.3 in
Row 2 Headroom0.0 in37.4 in
Row 2 Shoulder Room0.0 in54.5 in
Row 2 Legroom0.0 in35.7 in
Cargo Volume,
Minimum
4.4 ft313.0 ft3
Cargo Volume,
Maximum
11.6 ft313.0 ft3

Return to top

Option Package Details
Audi A4 / S4 S4 3.0T

Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Total Requested30071%
Total Not Requested12529%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%
Navigation and Telematics Package
FeatureValueRequested?
Large color reconfigurable instrument cluster display250No
Handwriting recognition200No
Remote app25No
Speed limit information0No
4G LTE connectivity0No
Wi-Fi hotspot50No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25No
In-vehicle Internet150No
Total Requested67549%
Total Not Requested71551%

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 Convertibles
See TrueDelta's information for all Cadillac models.