Lexus IS Lexus IS 2009 Audi A4 / S4 Audi A4 / S4 2018

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Lexus IS 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.

Lexus IS vs. Audi A4 / S4 Invoice Comparison

Lowest Total Price: $55,820

Audi A4 / S4 S4 3.0T   
Difference: $9,447

Lowest Total Invoice: $51,982

Audi A4 / S4 S4 3.0T   
Difference: $5,566

Calculate Payments

  Down Payment Interest Rate Term
Model Year20092018
ModelISA4 / S4
TrimFS4 3.0T
Body4dr Sedan4dr Sedan
Base Price $56,610 $51,400
Base Invoice $50,382 $47,802
Obstacle detection, rear 500  
Navigation System / Mark Levinson Pkg. 4,010  
iPod integration 299  
Radar- or camera-based collision preparation system 2,850  
Cargo net 64 80
All-weather floor mats 109 190
Navigation and Telematics Package   2,600
Metallic paint (extra cost)   575
Obstacle detection, rear 400  
Navigation System / Mark Levinson Pkg. 3,318  
iPod integration 239  
Radar- or camera-based collision preparation system 2,280  
Cargo net 39 74
All-weather floor mats 65 177
Navigation and Telematics Package   2,418
Metallic paint (extra cost)   536
Options (change) 7,832 3,445
Options (change) 6,341 3,205
Destination 825 975
Total Price $65,267 $55,820
Total Invoice $57,548 $51,982

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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 Lexus IS dealer quotes or Audi A4 / S4 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Lexus IS vs. Audi A4 / S4

Lowest Adjusted Price and Invoice: Audi A4 / S4 S4 3.0T
TrueDelta Adjusted Price Difference: $14,572
TrueDelta Adjusted Invoice Difference: $10,339
Model Year20092018
ModelISA4 / S4
TrimFS4 3.0T
Body4dr Sedan4dr Sedan
Engine416hp V8354hp V6
TransmissionT8T8
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)16/23 MPG21/30 MPG
Audio (watts, speakers)300, 14755, 19
Tire (rear if not all the same)225/40-19245/40-18
Total Price$65,267$55,820
Adjustments for Features0-5,125
Feature-Adjusted Total Price$65,267$50,695
Total Invoice$57,548$51,982
Adjustments for Features0-4,773
Feature-Adjusted Total Invoice$57,548$47,209

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Features Comparison: Lexus IS vs. Audi A4 / S4

Model Year20092018
ModelISA4 / S4
TrimFS4 3.0T
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
8-speed manually-shiftable automatic$1300$1300
RWD$0 
AWD $1700
Accessories 
Adaptive cruise control$600 
Cruise control $150
Remote app $25
Remote window/roof operation$15 
Tilt/telescoping steering wheel, manual $250
Tilt/telescoping steering wheel, power$350 
Brakes, Airbags, and Other Safety 
Automatic braking, low-speed $200
Blind spot warning system $200
Collision preparation system, rear $100
Cross-traffic warning, rear $100
Driver drowsiness monitor $150
Forward collision warning $200
Pedestrian detection $50
Rollover sensor $50
Secondary collision brake assist $25
Torque vectoring, brake-based $100
Vehicle exit assist $25
Cargo Management 
Air-conditioned storage compartment $50
Overhead sunglass holder$25 
Rear seat pass-through$100 
Second-row low console$100 
Climate Control 
Heated windshield washer nozzles $15
Rear air vents$100 
Rear air vents with automatic controls $250
Water-repellent front-door glass$15 
Engine / Motor 
Automatic start / stop $150
Regenerative braking $0
Infotainment 
4G LTE connectivity $0
Android Auto support $100
Apple CarPlay support $100
Bluetooth audio streaming $25
CD changer, in-dash$325 
CD player, remote $100
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
Satellite radio $200
SD Card slot $25
Telematics service, such as OnStar $200
Traffic + travel information $25
USB port $25
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Boost gauge $75
Compass $0
Fog light, rear $100
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Mirror tilt-down in reverse$25 
Steering-linked headlights$150 
Xenon HID headlights$500 
Seats and Interior Trim 
Folding second row seats $300
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
Memory system, passenger seat$150 
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power lumbar adjuster, driver seat$100 
Power lumbar adjuster, passenger seat$100 
Power seatback bolsters, driver seat $100
Power seatback bolsters, passenger seat $100
Synthetic suede door panel trim $250
Synthetic suede inserts in leather seating surfaces $0
Suspension, Wheels, and Tires 
Electronic systems calibration selector $200
Transmission 
Launch control $100
Total Value of Features$4,305$9,430
Value of Feature Adjustments$0$5,125
Value of Feature Adjustments0-4,773

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Specifications Comparison: Lexus IS vs. Audi A4 / S4

Model Year20092018
ModelISA4 / S4
Body4dr Sedan4dr Sedan
Wheelbase107.5 in111.0 in
Length180.1 in186.1 in
Width70.9 in72.5 in
Height56.1 in56.2 in
Curb Weight3,780 lb.3,858 lb.
Fuel Capacity17.2 gal.16.9 gal.
Row 1 Headroom37.2 in38.9 in
Row 1 Shoulder Room54.4 in55.9 in
Row 1 Hip Room54.1 in0.0 in
Row 1 Legroom43.9 in41.3 in
Row 2 Headroom36.7 in37.4 in
Row 2 Shoulder Room52.7 in54.5 in
Row 2 Hip Room53.7 in0.0 in
Row 2 Legroom30.6 in35.7 in
Cargo Volume13.0 ft313.0 ft3

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Option Package Details
Lexus IS F

Navigation System / Mark Levinson Pkg.
FeatureValueRequested?
Surround sound250Yes
DVD-compatible player0Yes
Mark Levinson, 300W, 14 speakers (with subwoofer)350No
Rearview camera200Yes
Voice control for nav and audio100Yes
Navigation system600Yes
Bluetooth cell phone link100Yes
Total Requested125078%
Total Not Requested35022%

Option Package Details
Audi A4 / S4 S4 3.0T

Navigation and Telematics Package
FeatureValueRequested?
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 Requested67549%
Total Not Requested71551%

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