Audi A8 / S8 Audi A8 / S8 2009 Acura RDX Acura RDX 2018

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Audi A8 / S8 vs. Acura RDX 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. Acura RDX Invoice Comparison

Lowest Total Price: $43,475

Acura RDX   
Difference: $40,350

Lowest Total Invoice: $41,317

Acura RDX   
Difference: $36,699

Calculate Payments

  Down Payment Interest Rate Term
Model Year200920092018
ModelA8 / S8A8 / S8RDX
TrimA8 LA8 L W12Base
Body4dr Sedan, ext.4dr Sedan, ext.4dr SUV
Base Price $77,900 $120,100 $35,800
Base Invoice $72,448 $111,693 $33,995
Technology Package 3,600    
Cooled or ventilated front seats 1,500    
Advance Package     6,700
Technology Package 3,347    
Cooled or ventilated front seats 1,396    
Advance Package     6,347
Options (change) 5,100 0 6,700
Options (change) 4,743 0 6,347
Destination 825 825 975
Gas Tax 0 1,700 0
Total Price $83,825 $122,625 $43,475
Total Invoice $78,016 $114,218 $41,317

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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. Acura RDX

Lowest Adjusted Price and Invoice: Acura RDX
TrueDelta Adjusted Price Difference: $37,800
TrueDelta Adjusted Invoice Difference: $34,326
Model Year200920092018
ModelA8 / S8A8 / S8RDX
TrimA8 LA8 L W12Base
Body4dr Sedan, ext.4dr Sedan, ext.4dr SUV
Engine350hp V8450hp W12279hp V6
TransmissionT6T6T6
DrivetrainAWDAWDFWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG
Audio (watts, speakers)200, 12200, 12410, 10
Tire (rear if not all the same)255/45-18255/40-19235/60-18
Total Price$83,825$122,625$43,475
Adjustments for Features-2,550-5,3000
Feature-Adjusted Total Price$81,275$117,325$43,475
Cost Above Minimum$0$36,050$0
Total Invoice$78,016$114,218$41,317
Adjustments for Features-2,373-4,9370
Feature-Adjusted Total Invoice$75,643$109,281$41,317
Cost Above Minimum$0$33,638$0

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Features Comparison: Audi A8 / S8 vs. Acura RDX

Model Year200920092018
ModelA8 / S8A8 / S8RDX
TrimA8 LA8 L W12Base
Body4dr Sedan, ext.4dr Sedan, ext.4dr SUV
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100$1100
AWD$1700$1700 
FWD  $0
Accessories 
Active noise reduction  $0
Adaptive cruise control$600  
Adaptive cruise control, all-speed  $850
Cruise control $150 
Power door closers$300$300 
Power liftgate  $350
Power trunk closer$350$350 
Remote start  $150
Sunshade, rear, power$225$225 
Sunshades, second row$125$125 
Tilt/telescoping steering wheel, manual  $250
Tilt/telescoping steering wheel, power$350$350 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial  $200
Automatic braking, low-speed  $200
Blind spot warning system$200 $200
Cross-traffic warning, rear  $100
Forward collision warning  $200
Full-size spare tire$225$225 
Knee airbag, driver$75$75 
Knee airbag, passenger$75$75 
Lane departure warning$200 $200
Lane keeping assist  $400
Pedestrian detection  $50
Radar- or camera-based collision preparation system  $0
Rear side airbags$300$300 
Rollover sensor  $50
Temporary spare tire  $150
Wide-view rear camera  $0
Cargo Management 
Cargo cover  $75
Rear seat pass-through $100 
Second-row high console $250 
Ski sack $50 
Climate Control 
Automatic air recirculation$100$100 
Heated windshield washer nozzles$15$15 
Rear air vents$100 $100
Rear air vents with automatic controls $250 
Rear dual-zone climate control $125 
Rear wiper  $175
Residual heat$50$50 
Exterior 
Bodyside cladding  $350
Bodyside moldings$75$75 
Deep-tinted rear windows  $275
Laminated front side windows $200 
Rear spoiler  $200
Infotainment 
App support  $0
Aux input  $50
Bluetooth audio streaming  $25
CD changer, remote$200$200 
CD player  $125
DVD-Audio-compatible player  $0
Entertainment system, console-mounted $1000 
HD radio  $50
iPod integration$100$100 
Media drive  $15
MP3-compatible player  $50
Siri Eyes Free support  $0
SMS text-to-speech reader  $25
Telematics service, such as OnStar  $200
Traffic + travel information  $25
USB port  $25
Instruments, Lights, and Mirrors 
Compass  $0
Cornering lights$50$50 
Fog light, rear$100$100 
Headlight washers$50$50 
Illuminated vanity mirrors, rear seat$100$100 
LED headlights  $1000
Power-folding mirrors$50$50 
Spotter mirror(s)  $50
Steering-linked headlights$150$150 
Xenon HID headlights$500$500 
Seats and Interior Trim 
Folding second row seats  $300
Heated second row seats $200 
Leather door panel trim $250 
Leather-wrapped steering wheel$150 $150
Massage, driver seat$100$100 
Massage, passenger seat$100$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 4-way lumbar adjuster, second row seats $225 
Power headrest height adjuster, driver seat$50$50 
Power headrest height adjuster, passenger seat$50$50 
Power lumbar adjuster, driver seat  $100
Power recliner, second row seats $150 
Power thigh support length adjuster, driver seat$100$100 
Power thigh support length adjuster, passenger seat$100$100 
Power tilt adjuster, second row seats $150 
Power upper seatback recliner, driver seat$100$100 
Power upper seatback recliner, passenger seat$100$100 
Synthetic suede headliner $650 
Wood trim$300$300 
Wood/leather-wrapped steering wheel $150 
Suspension, Wheels, and Tires 
Adaptive dampers - electrical$500$500 
Adaptive dampers - mechanical  $100
Air suspension, auto-leveling and height adjustable$1000$1000 
Alloy wheels$350$350 
Machined alloy wheels  $350
Transmission 
Steering-wheel-mounted transmission controls $100$100
Total Value of Features$10,915$13,665$8,365
Value of Feature Adjustments$2,550$5,300$0
Value of Feature Adjustments-2,373-4,9370

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Specifications Comparison: Audi A8 / S8 vs. Acura RDX

Model Year20092018
ModelA8 / S8RDX
Body4dr Sedan, ext.4dr SUV
Wheelbase121.0 in105.7 in
Length204.4 in184.4 in
Width74.6 in73.7 in
Height57.3 in65.0 in
Curb Weight4,400 lb.3,738 lb.
Fuel Capacity23.8 gal.16.0 gal.
Row 1 Headroom37.4 in38.7 in
Row 1 Shoulder Room59.1 in58.7 in
Row 1 Hip Room0.0 in55.7 in
Row 1 Legroom41.3 in42.0 in
Row 2 Headroom38.3 in38.1 in
Row 2 Shoulder Room57.5 in57.2 in
Row 2 Hip Room0.0 in53.8 in
Row 2 Legroom42.3 in38.3 in
Cargo Volume,
Minimum
14.6 ft326.1 ft3
Cargo Volume,
Maximum
14.661.3 ft3

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Option Package Details
Audi A8 / S8 A8 L

Technology Package
FeatureValueRequested?
Adaptive cruise control450Yes
Lane departure warning system200Yes
Blind spot warning system200Yes
Total Requested850100%
Total Not Requested00%

Option Package Details
Acura RDX

Advance Package
FeatureValueRequested?
Cooled or ventilated front seats300Yes
Rain-sensing wipers100Yes
Fog lights125Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Auto-dimming driver-side mirror75Yes
Remote start150No
Auto-dimming passenger-side mirror75Yes
DVD-Audio-compatible player0No
Power height adjuster, passenger seat100Yes
Power tilt adjuster, passenger seat100Yes
Surround sound250Yes
Voice control for nav and audio100Yes
HD radio50No
Blind spot warning system200Yes
Media drive15No
Traffic + travel information25No
Cross-traffic warning, rear100No
Navigation system600Yes
Leather seating surfaces900Yes
Telematics service, such as OnStar200No
ELS, 410W, 10 speakers (with subwoofer)350No
Automatic braking, low-speed200No
Automatic braking, high-speed or partial200No
Forward collision warning200No
Pedestrian detection50No
Lane keeping assist400No
Radar- or camera-based collision preparation system0No
Lane departure warning200Yes
Adaptive cruise control, all-speed700No
Total Requested352557%
Total Not Requested264043%

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