Lexus IS Lexus IS 2017 Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2018

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Lexus IS vs. Audi A4 / S4 / RS4 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 / RS4 Invoice Comparison

Lowest Total Price: $52,149

Lexus IS 350   
Difference: $11,071

Lowest Total Invoice: $48,231

Lexus IS 350   
Difference: $10,635

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  Down Payment Interest Rate Term
Model Year20172018
ModelISA4 / S4 / RS4
Trim350S4 3.0T
Body4dr Sedan4dr Sedan
Base Price $41,370 $51,400
Base Invoice $38,474 $47,802
F Sport Package 2,715  
Blind spot warning system 600  
Obstacle detection, rear 500  
Navigation System / Mark Levinson Pkg. 2,835  
AWD 2,165  
Illuminated door sill trim plates 425  
Rear spoiler 389  
Cargo net 65 80
All-weather floor mats 110 190
Warm Weather Package   950
Driver Assistance Package   1,800
Prestige Package   4,400
S Sport Package   2,500
Metallic paint (extra cost)   575
Rear side airbags   350
F Sport Package 2,497  
Blind spot warning system 552  
Obstacle detection, rear 460  
Navigation System / Mark Levinson Pkg. 2,616  
AWD 2,014  
Illuminated door sill trim plates 280  
Rear spoiler 259  
Cargo net 39 74
All-weather floor mats 65 177
Warm Weather Package   884
Driver Assistance Package   1,674
Prestige Package   4,092
S Sport Package   2,326
Metallic paint (extra cost)   536
Rear side airbags   326
Options (change) 9,804 10,845
Options (change) 8,782 10,089
Destination 975 975
Total Price $52,149 $63,220
Total Invoice $48,231 $58,866

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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 / RS4 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Lexus IS vs. Audi A4 / S4 / RS4

Lowest Adjusted Price and Invoice: Lexus IS 350
TrueDelta Adjusted Price Difference: $4,246
TrueDelta Adjusted Invoice Difference: $4,280
Model Year20172018
ModelISA4 / S4 / RS4
Trim350S4 3.0T
Body4dr Sedan4dr Sedan
Engine306hp V6354hp V6
TransmissionT6T8
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)19/26 MPG21/30 MPG
Audio (watts, speakers)835, 15755, 19
Tire (rear if not all the same)225/40-18245/40-18
Total Price$52,149$63,220
Adjustments for Features0-6,825
Feature-Adjusted Total Price$52,149$56,395
Total Invoice$48,231$58,866
Adjustments for Features0-6,355
Feature-Adjusted Total Invoice$48,231$52,511

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Features Comparison: Lexus IS vs. Audi A4 / S4 / RS4

Model Year20172018
ModelISA4 / S4 / RS4
Trim350S4 3.0T
Body4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100 
8-speed manually-shiftable automatic $1300
AWD$1700$1700
Accessories 
Adaptive cruise control$600 
Adaptive cruise control, all-speed, topography and road sign aware $1100
Electronic engine sound enhancement$0 
Low-speed semi-autonomous driving $200
Remote window/roof operation$15 
Sunshades, second row $125
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, high-speed or partial $200
Collision preparation system, rear $100
Driver drowsiness monitor $150
Evasive maneuver assist $200
Following distance indicator $25
High performance brake pads (optional)$0 
Lane departure prevention, steering-based$200 
Lane keeping assist $400
Rearview camera$200 
Rollover sensor $50
Secondary collision brake assist $25
Torque vectoring, brake-based $100
Turn assist $25
Vehicle exit assist $25
Vehicle health reports$0 
Wide-view front camera $150
Wide-view rear camera $0
Cargo Management 
Air-conditioned storage compartment $50
Overhead sunglass holder$25 
Climate Control and Infotainment 
4G LTE connectivity $50
Android Auto support $100
App support$100 
Apple CarPlay support $100
CD player$125 
CD player, remote $100
Handwriting recognition $200
Heated windshield washer nozzles $15
In-vehicle Internet $150
Media drive $15
Rain-sensing wipers $175
Rear air vents$100 
Rear air vents with automatic controls $250
SD Card slot $25
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Variable intermittent wipers$75 
Water-repellent front-door glass$15 
Wi-Fi hotspot $50
Exterior 
Body kit $0
Laminated front side windows $200
Painted brake calipers (optional) $0
Instruments, Lights, and Mirrors 
Analog clock$25 
Boost gauge $75
Compass $0
Fog light, rear $100
Fog lights $125
Head-up display (HUD) $350
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Performance meter$150 
Power-folding mirrors $50
Predictive efficiency assist $0
Road sign information $75
Powertrain 
Active rear differential $500
Automatic start / stop $150
Launch control $100
Regenerative braking $0
Seats and Interior Trim 
Aluminum trim $100
Leather seating surfaces $900
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, driver seat $200
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power lumbar adjuster, driver seat$100 
Synthetic leather seating surfaces$0 
Synthetic suede door panel trim $250
Upholstered door armrests (optional) $0
Upholstered instrument cluster hood$50 
Total Value of Features$4,755$11,580
Value of Feature Adjustments$0$6,825
Value of Feature Adjustments0-6,355

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Specifications Comparison: Lexus IS vs. Audi A4 / S4 / RS4

Model Year20172018
ModelISA4 / S4 / RS4
Body4dr Sedan4dr Sedan
Wheelbase110.2 in111.0 in
Length184.3 in186.1 in
Width71.3 in72.5 in
Height56.3 in56.2 in
Curb Weight3,737 lb.3,858 lb.
Fuel Capacity17.4 gal.16.9 gal.
Row 1 Headroom38.2 in38.9 in
Row 1 Shoulder Room55.9 in55.9 in
Row 1 Hip Room54.3 in0.0 in
Row 1 Legroom44.8 in41.3 in
Row 2 Headroom36.9 in37.4 in
Row 2 Shoulder Room53.4 in54.5 in
Row 2 Hip Room54.0 in0.0 in
Row 2 Legroom32.2 in35.7 in
Cargo Volume10.8 ft313.0 ft3

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Option Package Details
Lexus IS 350

F Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Electronic engine sound enhancement0No
Large color reconfigurable instrument cluster display250Yes
Sport suspension (upgrade)250Yes
Special exterior trim0No
Special interior trim0No
Metal pedals75Yes
Dark-colored headliner (optional)0No
Performance meter150No
LED headlights500Yes
High performance brake pads (optional)0No
Front sport buckets100Yes
255/35YR18 tires200No
225/40YR18 tires200No
Heated front seats200Yes
Cooled or ventilated front seats300Yes
Rearview camera200Yes
Total Requested237581%
Total Not Requested55019%
Navigation System / Mark Levinson Pkg.
FeatureValueRequested?
Surround sound250Yes
DVD-compatible player0Yes
Mark Levinson, 835W, 15 speakers (with subwoofer)350No
Navigation system550Yes
Voice control for nav and audio75Yes
SMS text-to-speech reader25No
Speed limit information0No
Vehicle health reports0No
App support100No
Total Requested87565%
Total Not Requested47535%

Option Package Details
Audi A4 / S4 / RS4 S4 3.0T

Warm Weather Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Sunshades, second row125No
Total Requested30071%
Total Not Requested12529%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400Yes
Following distance indicator25No
Low-speed semi-autonomous driving200No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested80035%
Total Not Requested147565%
Prestige Package
FeatureValueRequested?
Head-up display (HUD)350No
Laminated front side windows200No
Around view cameras300No
Wide-view front camera150No
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250Yes
Handwriting recognition200No
Remote app25Yes
Speed limit information0No
4G LTE connectivity50No
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Media drive15No
Traffic + travel information25Yes
In-vehicle Internet150No
Wi-Fi hotspot50No
Total Requested97540%
Total Not Requested146560%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

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