Mercedes-Benz SL Mercedes-Benz SL 2012 Infiniti QX Infiniti QX 2008

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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: $54,465

Infiniti QX QX56   
Difference: $54,840

Lowest Total Invoice: $50,036

Infiniti QX QX56   
Difference: $51,770

Calculate Payments

  Down Payment Interest Rate Term
Model Year201220122008
ModelSLSLQX
TrimSL550SL63 AMGQX56
Body2dr Hardtop conv.2dr Hardtop conv.4dr SUV
Base Price $103,650 $140,440 $52,450
Base Invoice $96,395 $130,609 $48,180
Obstacle detection, rear 1,180 1,180  
Adaptive cruise control 2,300 2,300 1,150
Wood trim   0  
Obstacle detection, rear 1,097 1,097  
Adaptive cruise control 2,139 2,139 991
Wood trim   0  
Options (change) 3,480 3,480 1,150
Options (change) 3,236 3,236 991
Destination 875 875 865
Gas Tax 1,300 2,600 0
Total Price $109,305 $147,395 $54,465
Total Invoice $101,806 $137,320 $50,036

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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: $47,505
TrueDelta Adjusted Invoice Difference: $44,938
Model Year201220122008
ModelSLSLQX
TrimSL550SL63 AMGQX56
Body2dr Hardtop conv.2dr Hardtop conv.4dr SUV
Engine382hp V8518hp V8320hp V8
TransmissionT7T7A5
DrivetrainRWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)510, 10510, 10?, 12
Tire (rear if not all the same)255/40-18255/35-19275/60-20
Total Price$109,305$147,395$54,465
Adjustments for Features-7,335-8,3850
Feature-Adjusted Total Price$101,970$139,010$54,465
Cost Above Minimum$0$37,040$0
Total Invoice$101,806$137,320$50,036
Adjustments for Features-6,832-7,8120
Feature-Adjusted Total Invoice$94,974$129,508$50,036
Cost Above Minimum$0$34,534$0

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Features Comparison: Mercedes-Benz SL vs. Infiniti QX

Model Year201220122008
ModelSLSLQX
TrimSL550SL63 AMGQX56
Body2dr Hardtop conv.2dr Hardtop conv.4dr SUV
Transmission and Drivetrain 
7-speed manually-shiftable automatic$1200$1200 
5-speed automatic  $900
RWD$0$0$0
Accessories 
Heated steering wheel  $100
Power flip-out rear side windows  $125
Power liftgate  $350
Power rear side windows  $200
Power trunk closer$350$350 
Power-adjustable pedals  $125
Tilt steering wheel, power  $200
Tilt/telescoping steering wheel, power$350$350 
Wind blocker, small$100$100 
Brakes, Airbags, and Other Safety 
Auto-raising roll bars / headrests$500$500 
Forward collision warning  $200
Full-size spare tire  $225
Knee airbag, driver$75$75 
Radar- or camera-based collision preparation system  $0
Rearview camera  $200
Rollover sensor  $50
Side curtain airbags, three rows  $500
Temporary spare tire$150$150 
Cargo Management 
Air-conditioned storage compartment$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 
Climate Control 
Automatic air recirculation$100$100 
Heated windshield washer nozzles$15$15 
Rain-sensing wipers$175$175 
Rear air vents with manual controls  $150
Rear HVAC unit  $400
Rear wiper  $175
Residual heat$50$50 
Variable intermittent wipers  $75
Wiper de-icer$25$25 
Exterior 
Body kit $0 
Bodyside cladding  $350
Deep-tinted rear windows  $275
Power retractable hardtop$6750$6750 
Rear bumper protector  $40
Running boards  $350
Sunroof  $900
Tow hook(s), front  $40
Wheel-lip moldings  $75
Infotainment 
Aux input$50$50 
DVD-compatible player$0$0 
HD radio$50$50 
iPod integration$100$100 
Rear seat audio controls  $25
Satellite radio$200$200 
Satellite radio - three year subscription  $400
Surround sound$250$250 
Telematics service, such as OnStar$200$200 
Instruments, Lights, and Mirrors 
Analog clock  $25
Auto-dimming passenger-side mirror  $75
Compass  $0
Cornering lights$50$50 
Fog light, rear$100$100 
Headlight washers$50$50 
Mirror tilt-down in reverse$25$25 
Power-folding mirrors  $50
Steering-linked headlights$150$150 
Transmission temperature gauge  $75
Seats and Interior Trim 
Center armrest(s), second row  $50
Cooled or ventilated front seats$300$300 
Folding passenger seat  $150
Folding second row seats  $300
Heated second row seats  $200
Leather door panel trim$250$250 
Leather seating surfaces, third-row seats  $200
Leather-wrapped steering wheel$150 $150
Manual lumbar adjuster, passenger seat  $50
Manual recliner, second row seats  $75
Massage, driver seat $100 
Massage, passenger seat $100 
Memory system, passenger seat$150$150 
Metal pedals$75$75 
Neck-level heating, front seats$150$150 
No leather in second row$-300$-300 
Power 4-way lumbar adjuster, driver seat$150$150 
Power 4-way lumbar adjuster, passenger seat$150$150 
Power headrest height adjuster, driver seat$50$50 
Power headrest height adjuster, passenger seat$50$50 
Power lumbar adjuster, driver seat  $100
Power seatback bolsters, driver seat$100$100 
Power seatback bolsters, passenger seat$100$100 
Power thigh support length adjuster, driver seat$100$100 
Power thigh support length adjuster, passenger seat$100$100 
Power-folding third row seats  $1000
Synthetic suede headliner $650 
Synthetic suede steering wheel $150 
Upholstered instrument panel, leather$1000$1000 
Suspension, Wheels, and Tires 
Adaptive hydraulic struts, auto-leveling and ht. adjustable$4000$4000 
Alloy wheels$350$350 
Auto-leveling rear shocks  $200
Chrome-plated alloy wheels  $850
Sport suspension (upgrade) $0 
Transmission 
Launch control $100 
Steering-wheel-mounted transmission controls $100 
Total Value of Features$18,090$19,140$10,755
Value of Feature Adjustments$7,335$8,385$0
Value of Feature Adjustments-6,832-7,8120

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Specifications Comparison: Mercedes-Benz SL vs. Infiniti QX

Model Year20122008
ModelSLQX
Body2dr Hardtop conv.4dr SUV
Wheelbase100.8 in123.2 in
Length180.4 in206.9 in
Width71.5 in78.8 in
Height51.1 in77.0 in
Curb Weight4,221 lb.5,598 lb.
Fuel Capacity21.1 gal.28.0 gal.
Row 1 Headroom37.7 in41.0 in
Row 1 Shoulder Room54.0 in65.1 in
Row 1 Hip Room53.9 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
7.2 ft320.0 ft3
Cargo Volume,
Behind R2
7.261.2 ft3
Cargo Volume,
Maximum
10.2 ft397.1 ft3

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Option Package Details
Infiniti QX QX56

Adaptive cruise control
FeatureValueRequested?
Adaptive cruise control450Yes
Obstacle detection, front150Yes
Radar- or camera-based collision preparation system0No
Forward collision alert200No
Total Requested60075%
Total Not Requested20025%

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