Lexus IS Lexus IS 2006 Infiniti QX Infiniti QX 2007

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Lexus IS vs. Infiniti QX 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. Infiniti QX Invoice Comparison

Lowest Total Price: $39,975

Lexus IS 250   
Difference: $12,790

Lowest Total Invoice: $34,623

Lexus IS 250   
Difference: $13,803

Calculate Payments

  Down Payment Interest Rate Term
Model Year200620062007
ModelISISQX
Trim250350QX56
Body4dr Sedan4dr Sedan4dr SUV
Base Price $29,990 $35,440 $49,950
Base Invoice $26,389 $31,186 $45,888
Luxury Package 3,495 3,495  
Navigation system 2,550 2,550  
Obstacle detection, rear 500 500  
Radar- or camera-based collision preparation system 2,850 2,850  
Adaptive cruise control     800
Sunroof     1,200
Luxury Package 2,796 2,796  
Navigation system 2,168 2,168  
Obstacle detection, rear 400 400  
Radar- or camera-based collision preparation system 2,280 2,280  
Adaptive cruise control     689
Sunroof     1,034
Options (change) 9,395 9,395 2,000
Options (change) 7,644 7,644 1,723
Destination 590 590 815
Total Price $39,975 $45,425 $52,765
Total Invoice $34,623 $39,420 $48,426

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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 Infiniti QX dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Lexus IS vs. Infiniti QX

Lowest Adjusted Price and Invoice: Lexus IS 250
TrueDelta Adjusted Price Difference: $9,165
TrueDelta Adjusted Invoice Difference: $10,476
Model Year200620062007
ModelISISQX
Trim250350QX56
Body4dr Sedan4dr Sedan4dr SUV
Engine204hp V6306hp V6315hp V8
TransmissionM6T6A5
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)194, 12194, 12265, 10
Tire (rear if not all the same)225/45-17225/45-17265/70-18
Total Price$39,975$45,425$52,765
Adjustments for Features0-1,050-3,625
Feature-Adjusted Total Price$39,975$44,375$49,140
Cost Above Minimum$0$4,400$0
Total Invoice$34,623$39,420$48,426
Adjustments for Features0-911-3,327
Feature-Adjusted Total Invoice$34,623$38,509$45,099
Cost Above Minimum$0$3,886$0

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Features Comparison: Lexus IS vs. Infiniti QX

Model Year200620062007
ModelISISQX
Trim250350QX56
Body4dr Sedan4dr Sedan4dr SUV
Transmission and Drivetrain 
6-speed manual$150  
6-speed manually-shiftable automatic $1100 
5-speed automatic  $900
RWD$0$0$0
Accessories 
Power flip-out rear side windows  $125
Power liftgate  $350
Power-adjustable pedals  $125
Proximity key$250$250 
Sunshade, rear, power$225$225 
Tilt steering wheel, power  $200
Tilt/telescoping steering wheel, power$350$350 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0
Automatic braking, high-speed or partial$200$200 
Forward collision warning  $200
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Obstacle detection, front$150$150 
Rollover sensor  $50
Side curtain airbags$350$350 
Side curtain airbags, three rows  $500
Cargo Management 
Overhead console storage compartments  $100
Rear seat pass-through$100$100 
Removable second-row console  $200
Roof rack  $300
Climate Control 
Rain-sensing wipers$175$175 
Rear air vents$100$100 
Rear air vents with manual controls  $150
Rear HVAC unit  $400
Rear wiper  $175
Variable intermittent wipers  $75
Water-repellent front-door glass$15$15 
Exterior 
Bodyside cladding  $350
Deep-tinted rear windows  $275
Running boards  $350
Tow hook(s), front  $40
Wheel-lip moldings  $75
Infotainment 
Aux input$50$50 
Rear seat audio controls  $25
Voice control for nav and audio$100$100 
Instruments, Lights, and Mirrors 
Analog clock  $25
Compass  $0
Mirror tilt-down in reverse$25$25 
Power-folding mirrors  $50
Steering-linked headlights$150$150 
Transmission temperature gauge  $75
Turn signals on or near mirrors  $25
Seats and Interior Trim 
Cooled or ventilated front seats$300$300 
Folding passenger seat  $150
Folding second row seats  $300
Folding third row seats  $600
Heated second row seats  $200
Leather-wrapped steering wheel$150$150 
Manual lumbar adjuster, passenger seat  $50
Manual recliner, second row seats  $75
Memory system, passenger seat$150$150 
Power lumbar adjuster, passenger seat$100$100 
Wood/leather-wrapped steering wheel  $150
Suspension, Wheels, and Tires 
Alloy wheels$350$350 
Auto-leveling rear shocks  $200
Polished alloy wheels  $350
Transmission 
Steering-wheel-mounted transmission controls $100 
Total Value of Features$3,590$4,640$7,215
Value of Feature Adjustments$0$1,050$3,625
Value of Feature Adjustments0-911-3,327

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Specifications Comparison: Lexus IS vs. Infiniti QX

Model Year20062007
ModelISQX
Body4dr Sedan4dr SUV
Wheelbase107.5 in123.2 in
Length180.1 in206.9 in
Width70.9 in78.8 in
Height56.1 in77.0 in
Curb Weight3,456 lb.5,369 lb.
Fuel Capacity17.2 gal.28.0 gal.
Row 1 Headroom37.2 in41.0 in
Row 1 Shoulder Room54.4 in65.1 in
Row 1 Hip Room54.1 in61.3 in
Row 1 Legroom43.9 in41.8 in
Row 2 Headroom36.7 in40.0 in
Row 2 Shoulder Room52.7 in64.5 in
Row 2 Hip Room53.7 in60.1 in
Row 2 Legroom30.6 in41.9 in
Row 3 Headroom0.0 in35.9 in
Row 3 Shoulder Room0.0 in63.7 in
Row 3 Hip Room0.0 in48.8 in
Row 3 Legroom0.0 in32.2 in
Cargo Volume,
Minimum
13.0 ft320.0 ft3
Cargo Volume,
Behind R2
13.061.2 ft3
Cargo Volume,
Maximum
13.097.1 ft3

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Option Package Details
Lexus IS 250

Luxury Package
FeatureValueRequested?
Sunshade, rear, power225No
Wood trim300Yes
Heated front seats200Yes
Cooled or ventilated front seats300No
Tilt/telescoping steering wheel, power100No
Rain-sensing wipers100No
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Mirror tilt-down in reverse25No
Total Requested135056%
Total Not Requested105044%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Bluetooth cell phone link100Yes
Rearview camera200Yes
Voice control for nav and audio100No
Total Requested90090%
Total Not Requested10010%

Option Package Details
Lexus IS 350

Luxury Package
FeatureValueRequested?
Sunshade, rear, power225No
Wood trim300Yes
Heated front seats200Yes
Cooled or ventilated front seats300No
Tilt/telescoping steering wheel, power100No
Rain-sensing wipers100No
Steering-linked headlights150No
Xenon HID headlights500Yes
Memory system, driver seat200Yes
Memory system, passenger seat150No
Auto-dimming driver-side mirror75Yes
Auto-dimming passenger-side mirror75Yes
Mirror tilt-down in reverse25No
Total Requested135056%
Total Not Requested105044%
Navigation system
FeatureValueRequested?
Navigation system600Yes
Bluetooth cell phone link100Yes
Rearview camera200Yes
Voice control for nav and audio100No
Total Requested90090%
Total Not Requested10010%

Option Package Details
Infiniti QX QX56

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Radar- or camera-based collision preparation system0Yes
Forward collision alert200No
Total Requested45069%
Total Not Requested20031%

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