Mercedes-Benz SL Mercedes-Benz SL 2015 Infiniti QX Infiniti QX 2009

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Mercedes-Benz SL 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.

Mercedes-Benz SL vs. Infiniti QX Invoice Comparison

Lowest Total Price: $57,065

Infiniti QX QX56   
Difference: $30,810

Lowest Total Invoice: $52,667

Infiniti QX QX56   
Difference: $29,122

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015201520152009
ModelSLSLSLSLQX
TrimSL400SL550SL63 AMGSL65 AMGQX56
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr SUV
Base Price $84,000 $106,900 $148,050 $215,250 $55,050
Base Invoice $78,120 $99,417 $137,687 $200,183 $50,806
Driver Assistance Package 2,950 2,950 2,950    
Wood trim     0 0  
Adaptive cruise control         1,150
Driver Assistance Package 2,744 2,744 2,744    
Wood trim     0 0  
Adaptive cruise control         996
Options (change) 2,950 2,950 2,950 0 1,150
Options (change) 2,744 2,744 2,744 0 996
Destination 925 925 925 925 865
Gas Tax 0 0 0 1,300 0
Total Price $87,875 $110,775 $151,925 $217,475 $57,065
Total Invoice $81,789 $103,086 $141,356 $202,408 $52,667

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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 Mercedes-Benz SL dealer quotes or Infiniti QX 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: Mercedes-Benz SL vs. Infiniti QX

Lowest Adjusted Price and Invoice: Infiniti QX QX56
TrueDelta Adjusted Price Difference: $25,375
TrueDelta Adjusted Invoice Difference: $24,063
Model Year20152015201520152009
ModelSLSLSLSLQX
TrimSL400SL550SL63 AMGSL65 AMGQX56
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr SUV
Engine329hp V6429hp V8577hp V8621hp V12320hp V8
TransmissionT7T7T7T7A5
DrivetrainRWDRWDRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)600, 11600, 11600, 11900, 12?, 12
Tire (rear if not all the same)255/40-18255/40-18255/35-19255/35-19275/60-20
Total Price$87,875$110,775$151,925$217,475$57,065
Adjustments for Features-5,435-8,485-13,460-17,7600
Feature-Adjusted Total Price$82,440$102,290$138,465$199,715$57,065
Cost Above Minimum$0$19,850$56,025$117,275$0
Total Invoice$81,789$103,086$141,356$202,408$52,667
Adjustments for Features-5,059-7,896-12,524-16,5300
Feature-Adjusted Total Invoice$76,730$95,190$128,832$185,878$52,667
Cost Above Minimum$0$18,460$52,102$109,148$0

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Features Comparison: Mercedes-Benz SL vs. Infiniti QX

Model Year20152015201520152009
ModelSLSLSLSLQX
TrimSL400SL550SL63 AMGSL65 AMGQX56
Body2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.2dr Hardtop conv.4dr SUV
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200$1200$1200 
5-speed automatic    $900
RWD$0$0$0$0$0
Accessories 
Adaptive cruise control    $600
Adaptive cruise control, all-speed$850$850$850$850 
Hands-free trunk or liftgate $100$100$100 
Heated steering wheel    $100
Power door closers   $300 
Power flip-out rear side windows    $125
Power liftgate    $350
Power rear side windows    $200
Power trunk closer $350$350$350 
Power-adjustable pedals    $125
Proximity key $250$250$250$250
Remote app$25$25$25$25 
Semi-automated parking system $500$500$500 
Tilt steering wheel, power    $200
Tilt/telescoping steering wheel, power$350$350$350$350 
Wind blocker, power small$300$300$300$300 
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500$500$500 
Automatic braking, high-speed or partial$200$200$200$200 
Automatic braking, low-speed$200$200$200$200 
Blind spot collision prevention$150$150$150$150 
Blind spot warning system$200$200$200$200 
Driver drowsiness monitor$150$150$150$150 
Full-size spare tire    $225
Knee airbag, driver$75$75$75$75 
Knee airbag, passenger$75$75$75$75 
Lane departure prevention$150$150$150$150 
Lane departure warning$200$200$200$200 
Night vision   $1750 
Obstacle detection, front $150$150$150$150
Obstacle detection, rear $250$250$250$250
Rearview camera $200$200$200$200
Rollover sensor    $50
Side curtain airbags$350$350$350$350 
Side curtain airbags, three rows    $500
Tires, run-flat$150$150   
Torque vectoring, brake-based$100$100$100$100 
Cargo Management 
Air-conditioned storage compartment$50$50$50$50 
Liftglass or two-piece tailgate    $150
Overhead console storage compartments    $100
Overhead sunglass holder    $25
Removable second-row console    $200
Roof rack    $300
Storage compartment under front seat(s)$50$50$50$50 
Climate Control 
Adaptive windshield washer system$0$0$0$0 
Automatic air recirculation$100$100$100$100 
Heated windshield washer nozzles$15$15$15$15 
Rain-sensing wipers$175$175$175$175 
Rear air vents with manual controls    $150
Rear HVAC unit    $400
Rear wiper    $175
Residual heat$50$50$50$50 
Variable intermittent wipers    $75
Wiper de-icer$25$25$25$25 
Drivetrain 
Limited-slip rear differential  $300$300 
Engine / Motor 
Automatic start / stop$150$150$150$150 
Raised top speed limiter  $0$0 
Exterior 
Bodyside cladding    $350
Deep-tinted rear windows    $275
Electronically-variable tint, sunroof or glass roof panel   $2000 
Glass roof panel(s)$300$300$300$300 
Power retractable hardtop$6750$6750$6750$6750 
Rear bumper protector    $40
Rear spoiler  $200$200 
Running boards    $350
Sunroof    $900
Tow hook(s), front    $40
Wheel-lip moldings    $75
Infotainment 
App support$0$0$0$0 
Aux input$50$50$50$50 
Bluetooth audio streaming$25$25$25$25 
CD changer, in-dash    $325
CD player$125$125$125$125 
DVD-compatible player$0$0$0$0 
HD radio$50$50$50$50 
In-vehicle Internet$150$150$150$150 
iPod integration$100$100$100$100 
Navigation map updates, three years$0$0$0$0 
Rear seat audio controls    $25
Satellite radio$200$200$200$200 
Satellite radio - three year subscription    $400
SMS text-to-speech reader$25$25$25$25 
Surround sound$250$250$250$250 
Telematics service, such as OnStar, with navigation$225$225$225$225 
Traffic + travel information$25$25$25$25 
Traffic information    $25
Instruments, Lights, and Mirrors 
Analog clock$25$25  $25
Auto-dimming headlights$200$200$200$200 
Auto-dimming passenger-side mirror    $75
Chronometer  $100$100 
Compass    $0
Cornering lights$50$50$50$50 
Fog light, rear$100$100$100$100 
Headlight washers$50$50$50$50 
Mirror tilt-down in reverse$25$25$25$25 
Power-folding mirrors    $50
Steering-linked headlights$150$150$150$150 
Transmission temperature gauge    $75
Seats and Interior Trim 
Automatic seat bolsters, driver $300$300$300 
Automatic seat bolsters, front passenger $300$300$300 
Center armrest(s), second row    $50
Cooled or ventilated front seats $300$300$300 
Door sill trim plates$100$100  $100
Folding passenger seat    $150
Folding second row seats    $300
Heated second row seats    $200
Illuminated door sill trim plates  $200$200 
Leather door panel trim$250$250$250$250 
Leather headliner   $1000 
Leather seating surfaces, third-row seats    $200
Manual lumbar adjuster, passenger seat    $50
Manual recliner, second row seats    $75
Massage, driver seat $100$100$100 
Massage, passenger seat $100$100$100 
Memory system, passenger seat$150$150$150$150 
Metal pedals$75$75$75$75 
Neck-level heating, front seats $150$150$150 
No leather in second row$-300$-300$-300$-300 
Power 4-way lumbar adjuster, driver seat$150$150$150$150 
Power 4-way lumbar adjuster, passenger seat$150$150$150$150 
Power headrest height adjuster, driver seat$50$50$50$50 
Power headrest height adjuster, passenger seat$50$50$50$50 
Power lumbar adjuster, driver seat    $100
Power thigh support length adjuster, driver seat$100$100$100$100 
Power thigh support length adjuster, passenger seat$100$100$100$100 
Power-folding third row seats    $1000
Synthetic suede headliner  $650  
Upholstered instrument panel, leather$1000$1000$1000$1000 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500   
Adaptive hydraulic struts, auto-leveling and ht. adjustable  $4000$4000 
Alloy wheels$350$350$350$350 
Auto-leveling rear shocks    $200
Chrome-plated alloy wheels    $850
Electronic systems calibration selector  $200$200 
Sport suspension (upgrade)  $0$0 
Transmission 
Launch control  $100  
Steering-wheel-mounted transmission controls$100$100$100$100 
Total Value of Features$17,540$20,590$25,565$29,865$12,105
Value of Feature Adjustments$5,435$8,485$13,460$17,760$0
Value of Feature Adjustments-5,059-7,896-12,524-16,5300

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Specifications Comparison: Mercedes-Benz SL vs. Infiniti QX

Model Year20152009
ModelSLQX
Body2dr Hardtop conv.4dr SUV
Wheelbase101.8 in123.2 in
Length181.8 in206.9 in
Width73.9 in78.8 in
Height51.8 in77.0 in
Curb Weight3,936 lb.5,598 lb.
Fuel Capacity19.8 gal.28.0 gal.
Row 1 Headroom39.1 in41.0 in
Row 1 Shoulder Room55.5 in65.1 in
Row 1 Hip Room0.0 in61.3 in
Row 1 Legroom42.9 in41.8 in
Row 2 Headroom0.0 in40.0 in
Row 2 Shoulder Room0.0 in64.5 in
Row 2 Hip Room0.0 in60.1 in
Row 2 Legroom0.0 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
8.5 ft320.0 ft3
Cargo Volume,
Behind R2
8.561.2 ft3
Cargo Volume,
Maximum
13.5 ft397.1 ft3

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Option Package Details
Mercedes-Benz SL SL400

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700No
Blind spot warning system200No
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Forward collision warning200Yes
Blind spot intervention150No
Total Requested20010%
Total Not Requested180090%

Option Package Details
Mercedes-Benz SL SL550

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700No
Blind spot warning system200No
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Forward collision warning200Yes
Blind spot intervention150No
Total Requested20010%
Total Not Requested180090%

Option Package Details
Mercedes-Benz SL SL63 AMG

Driver Assistance Package
FeatureValueRequested?
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200No
Adaptive cruise control, all-speed700No
Blind spot warning system200No
Lane departure prevention system150No
Automatic braking, low-speed200No
Automatic braking, high-speed200No
Forward collision warning200Yes
Blind spot intervention150No
Total Requested20010%
Total Not Requested180090%

Option Package Details
Infiniti QX QX56

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Obstacle detection, front150Yes
Radar- or camera-based collision preparation system0Yes
Forward collision alert200Yes
Total Requested800100%
Total Not Requested00%

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