Audi A8 / S8 Audi A8 / S8 2008 Infiniti M Infiniti M 2006

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Audi A8 / S8 vs. Infiniti M 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.

Audi A8 / S8 vs. Infiniti M Invoice Comparison

Lowest Total Price: $51,990

Infiniti M M35 Luxury   
Difference: $27,675

Lowest Total Invoice: $47,235

Infiniti M M35 Luxury   
Difference: $26,886

Calculate Payments

  Down Payment Interest Rate Term
Model Year2008200820062006
ModelA8 / S8A8 / S8MM
TrimA8S8M35 LuxuryM45 Luxury
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Base Price $70,690 $93,300 $40,840 $47,150
Base Invoice $65,741 $86,771 $37,538 $43,322
Ski sack 175 175    
Premium Package 3,275 2,800 10,500 10,500
Satellite radio 550 550    
Adaptive cruise control 2,100 2,100    
Cooled or ventilated front seats 1,500      
Rear air vents with automatic controls 600 600    
Ski sack 164 164    
Premium Package 3,045 2,605 9,047 9,047
Satellite radio 490 501    
Adaptive cruise control 1,953 1,953    
Cooled or ventilated front seats 1,396      
Rear air vents with automatic controls 557 557    
Options (change) 8,200 6,225 10,500 10,500
Options (change) 7,605 5,780 9,047 9,047
Destination 775 775 650 650
Gas Tax 0 2,100 0 0
Total Price $79,665 $102,400 $51,990 $58,300
Total Invoice $74,121 $95,426 $47,235 $53,019

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While we strive for accuracy, the site is not error-free, and prices can change at any time.

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TrueDelta Value Comparison: Audi A8 / S8 vs. Infiniti M

Lowest Adjusted Price and Invoice: Infiniti M M35 Luxury
TrueDelta Adjusted Price Difference: $22,850
TrueDelta Adjusted Invoice Difference: $22,397
Model Year2008200820062006
ModelA8 / S8A8 / S8MM
TrimA8S8M35 LuxuryM45 Luxury
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Engine350hp V8450hp V10280hp V6335hp V8
TransmissionT6T6T5T5
DrivetrainAWDAWDRWDRWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)200, 12200, 12308, 14308, 14
Tire (rear if not all the same)255/45-18265/35-20245/45-18245/45-18
Total Price$79,665$102,400$51,990$58,300
Adjustments for Features-4,825-4,32500
Feature-Adjusted Total Price$74,840$98,075$51,990$58,300
Cost Above Minimum$0$23,235$0$6,310
Total Invoice$74,121$95,426$47,235$53,019
Adjustments for Features-4,489-4,03000
Feature-Adjusted Total Invoice$69,632$91,396$47,235$53,019
Cost Above Minimum$0$21,764$0$5,784

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Features Comparison: Audi A8 / S8 vs. Infiniti M

Model Year2008200820062006
ModelA8 / S8A8 / S8MM
TrimA8S8M35 LuxuryM45 Luxury
Body4dr Sedan4dr Sedan4dr Sedan4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100  
5-speed manually-shiftable automatic  $1000$1000
AWD$1700$1700  
RWD  $0$0
Accessories 
Power trunk closer$350$350  
Sunshades, second row$125$125  
Brakes, Airbags, and Other Safety 
Forward collision warning  $200$200
Knee airbag, driver$75$75  
Knee airbag, passenger$75$75  
Lane departure warning  $200$200
Obstacle detection, front$150$150  
Obstacle detection, rear$250$250  
Radar- or camera-based collision preparation system  $0$0
Rear side airbags$300$300  
Cargo Management 
Cargo net  $40$40
Overhead sunglass holder  $25$25
Ski sack$50$50  
Climate Control 
Heated windshield washer nozzles$15$15  
Rain-sensing wipers$175$175  
Rear air vents with automatic controls$250$250  
Rear air vents with manual controls  $150$150
Rear dual-zone climate control$125$125  
Residual heat$50$50  
Variable intermittent wipers  $75$75
Infotainment 
CD changer, in-dash  $325$325
CD changer, remote$200$200  
DVD-compatible player  $0$0
Entertainment system, ceiling-mounted  $1000$1000
iPod integration$100$100  
MP3-compatible player  $50$50
Instruments, Lights, and Mirrors 
Analog clock  $25$25
Auto-dimming passenger-side mirror$75$75  
Compass  $0$0
Cornering lights$50$50  
Fog light, rear$100$100  
Headlight washers$50$50  
Power-folding mirrors$50$50  
Seats and Interior Trim 
Cooled or ventilated front seats$300 $300$300
Massage, driver seat$100   
Massage, passenger seat$100   
Memory system, passenger seat$150$150  
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$100
Power recliner, second row seats  $150$150
Power thigh support length adjuster, driver seat$100$100  
Power thigh support length adjuster, passenger seat$100$100  
Power tilt adjuster, passenger seat$100$100  
Power upper seatback recliner, driver seat$100$100  
Power upper seatback recliner, passenger seat$100$100  
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500  
Air suspension, auto-leveling and height adjustable$1000$1000  
Sport suspension (upgrade) $0  
Total Value of Features$8,465$7,965$3,640$3,640
Value of Feature Adjustments$4,825$4,325$0$0
Value of Feature Adjustments-4,489-4,03000

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Specifications Comparison: Audi A8 / S8 vs. Infiniti M

Model Year20082006
ModelA8 / S8M
Body4dr Sedan4dr Sedan
Wheelbase115.9 in114.2 in
Length199.3 in192.6 in
Width74.6 in70.8 in
Height56.9 in59.4 in
Curb Weight4,289 lb.3,890 lb.
Fuel Capacity23.8 gal.20.0 gal.
Row 1 Headroom37.3 in39.6 in
Row 1 Shoulder Room59.1 in58.2 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom41.4 in44.2 in
Row 2 Headroom38.0 in37.8 in
Row 2 Shoulder Room57.5 in56.9 in
Row 2 Hip Room0.0 in53.9 in
Row 2 Legroom37.6 in37.3 in
Cargo Volume14.6 ft314.9 ft3

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Option Package Details
Audi A8 / S8 A8

Premium Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225Yes
Obstacle detection, front150No
Obstacle detection, rear250No
Rearview camera200Yes
Power decklid300No
Proximity key250Yes
Total Requested67545%
Total Not Requested82555%

Option Package Details
Audi A8 / S8 S8

Premium Package
FeatureValueRequested?
Sunshades, second row125No
Sunshade, rear, power225Yes
Obstacle detection, front150No
Obstacle detection, rear250No
Rearview camera200Yes
Power decklid300No
Proximity key250Yes
Total Requested67545%
Total Not Requested82555%

Option Package Details
Infiniti M M35 Luxury

Premium Package
FeatureValueRequested?
Entertainment system, ceiling-mounted1000No
Heated second row seats200Yes
Power recliner, second row seats150No
Sunshade, rear, power225Yes
Rear seat audio controls25No
Rear air vents with manual controls50Yes
Bose, 308W, 14 speakers (with subwoofer)350No
Heated front seats200Yes
Cooled or ventilated front seats300Yes
Universal garage door opener100Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Rearview camera200Yes
Compass0No
A/V input jacks25No
Navigation system600Yes
Adaptive cruise control450Yes
Satellite radio200Yes
Surround sound250Yes
DVD-compatible player0No
Radar- or camera-based collision preparation system0No
Lane departure warning system200No
Forward collision alert200No
Total Requested342564%
Total Not Requested195036%

Option Package Details
Infiniti M M45 Luxury

Premium Package
FeatureValueRequested?
Entertainment system, ceiling-mounted1000No
Heated second row seats200Yes
Power recliner, second row seats150No
Sunshade, rear, power225Yes
Rear seat audio controls25No
Rear air vents with manual controls50Yes
Bose, 308W, 14 speakers (with subwoofer)350No
Heated front seats200Yes
Cooled or ventilated front seats300Yes
Universal garage door opener100Yes
Steering-linked headlights150Yes
Xenon HID headlights500Yes
Rearview camera200Yes
Compass0No
A/V input jacks25No
Navigation system600Yes
Adaptive cruise control450Yes
Satellite radio200Yes
Surround sound250Yes
DVD-compatible player0No
Radar- or camera-based collision preparation system0No
Lane departure warning system200No
Forward collision alert200No
Total Requested342564%
Total Not Requested195036%

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