Audi A4 / S4 Audi A4 / S4 2018 BMW X3 BMW X3 2017

We are 103,000+ car owners sharing real-world car information.

Join Us

Audi A4 / S4 vs. BMW X3 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 A4 / S4 vs. BMW X3 Invoice Comparison

Lowest Total Price: $49,000

Audi A4 / S4 A4 2.0T   
Difference: $10,095

Lowest Total Invoice: $45,641

Audi A4 / S4 A4 2.0T   
Difference: $9,889

Calculate Payments

  Down Payment Interest Rate Term
Model Year201820182017201720172017
ModelA4 / S4A4 / S4X3X3X3X3
TrimA4 2.0TS4 3.0TsDrive28ixDrive28ixDrive28dxDrive35i
Body4dr Sedan4dr Sedan4dr SUV4dr SUV4dr SUV4dr SUV
Base Price $40,500 $51,400 $40,050 $42,050 $42,750 $48,950
Base Invoice $37,666 $47,802 $37,925 $39,785 $40,440 $46,205
Premium Plus Package 3,200          
Navigation and Telematics Package 3,000          
Sport Package 750          
Metallic paint (extra cost) 575 575 700 700 700 700
Prestige Package   4,400        
Driver Assistance Package   1,800 950 950 950 950
S Sport Package   2,500        
Premium Package     2,050 2,050 1,750  
LED headlights     1,900 1,900 1,900 1,900
Steering-linked headlights     900 900 900  
Adaptive cruise control, all-speed     1,900 1,900 1,900 1,900
M Sport Package     2,600 2,700 2,400 2,700
Leather seating surfaces     1,450 1,450 1,450 1,450
Dynamic Handling Package     1,300 1,300 1,300 1,300
Technology Package     2,750 2,750 2,750 2,750
Text dictation     0 0 0 0
Around view cameras     750 750 750 750
Heated front seats     500 500 500 500
Apple CarPlay support     300 300 300 300
Premium Plus Package 2,976          
Navigation and Telematics Package 2,790          
Sport Package 698          
Metallic paint (extra cost) 536 536 645 645 645 645
Prestige Package   4,092        
Driver Assistance Package   1,674 875 875 875 875
S Sport Package   2,326        
Premium Package     1,885 1,885 1,610  
LED headlights     1,750 1,750 1,750 1,750
Steering-linked headlights     830 830 830  
Adaptive cruise control, all-speed     1,750 1,750 1,750 1,750
M Sport Package     2,390 2,485 2,210 2,485
Leather seating surfaces     1,335 1,335 1,335 1,335
Dynamic Handling Package     1,195 1,195 1,195 1,195
Technology Package     2,530 2,530 2,530 2,530
Text dictation     0 0 0 0
Around view cameras     690 690 690 690
Heated front seats     460 460 460 460
Apple CarPlay support     275 275 275 275
Options (change) 7,525 9,275 18,050 18,150 17,550 15,200
Options (change) 7,000 8,628 16,610 16,705 16,155 13,990
Destination 975 975 995 995 995 995
Total Price $49,000 $61,650 $59,095 $61,195 $61,295 $65,145
Total Invoice $45,641 $57,405 $55,530 $57,485 $57,590 $61,190

Return to top

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

Dealer Price Quotes

Want to find out how much dealers are willing to discount these cars?

Request free, no-obligation Audi A4 / S4 dealer quotes or BMW X3 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: Audi A4 / S4 vs. BMW X3

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 2.0T
TrueDelta Adjusted Price Difference: $8,390
TrueDelta Adjusted Invoice Difference: $8,287
Model Year201820182017201720172017
ModelA4 / S4A4 / S4X3X3X3X3
TrimA4 2.0TS4 3.0TsDrive28ixDrive28ixDrive28dxDrive35i
Body4dr Sedan4dr Sedan4dr SUV4dr SUV4dr SUV4dr SUV
Engine252hp I4354hp V6240hp I4240hp I4180hp I4 D300hp I6
TransmissionS7T8T8T8T8T8
DrivetrainAWDAWDRWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)755, 19755, 19205, 12205, 12205, 12600, 16
Tire (rear if not all the same)245/40-18245/40-18245/45-19245/45-19245/45-19245/45-19
Total Price$49,000$61,650$59,095$61,195$61,295$65,145
Adjustments for Features0-5,525-1,705-3,755-3,755-4,005
Feature-Adjusted Total Price$49,000$56,125$57,390$57,440$57,540$61,140
Cost Above Minimum$0$7,125$0$50$150$3,750
Total Invoice$45,641$57,405$55,530$57,485$57,590$61,190
Adjustments for Features0-5,145-1,602-3,527-3,528-3,762
Feature-Adjusted Total Invoice$45,641$52,260$53,928$53,958$54,062$57,428
Cost Above Minimum$0$6,619$0$30$134$3,500

Return to top

Features Comparison: Audi A4 / S4 vs. BMW X3

Model Year201820182017201720172017
ModelA4 / S4A4 / S4X3X3X3X3
TrimA4 2.0TS4 3.0TsDrive28ixDrive28ixDrive28dxDrive35i
Body4dr Sedan4dr Sedan4dr SUV4dr SUV4dr SUV4dr SUV
Transmission and Drivetrain 
7-speed automated manual$1200     
8-speed manually-shiftable automatic $1300$1300$1300$1300$1300
AWD$1700$1700 $1700$1700$1700
RWD  $0   
Accessories 
Adaptive cruise control, all-speed  $850$850$850$850
Adaptive cruise control, all-speed, topography and road sign aware $1100    
Cruise control$150     
Low-speed semi-autonomous driving $100    
Power liftgate  $350$350$350$350
Remote window/roof operation  $15$15$15$15
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats  $0$0$0$0
Around view cameras $500$500$500$500$500
Automatic braking, low-speed$200$200    
Blind spot warning system$200$200    
Collision preparation system, rear$100$100    
Cross-traffic warning, rear$100$100    
Driver drowsiness monitor$150$150    
Evasive maneuver assist $200    
Following distance indicator $25    
Hill descent control   $250$250$250
Knee airbag, driver$75$75    
Knee airbag, passenger$75$75    
Lane departure warning $200$200$200$200$200
Lane keeping assist $400    
Pedestrian detection$50$50    
Rearview camera$200     
Rollover sensor$50$50    
Secondary collision brake assist$25$25    
Temporary spare tire$150$150    
Tires, run-flat  $150$150$150$150
Torque vectoring, brake-based$100$100 $100$100$100
Turn assist $25    
Vehicle exit assist$25$25    
Wide-view front camera $150$150$150$150$150
Wide-view rear camera $0    
Cargo Management 
Air-conditioned storage compartment$50$50    
Cargo area rails w/tie downs  $50$50$50$50
Cargo cover  $75$75$75$75
Cargo mat  $40$40$40$40
Roof rails  $250$250$250$250
Trailering equipment (4 wire)  $125$125$125$125
Climate Control 
Rear air vents with automatic controls$250$250    
Rear air vents with manual controls  $150$150$150$150
Rear wiper  $175$175$175$175
Drivetrain 
Active rear differential $500    
Exterior 
Black exterior trim (optional)  $0$0$0$0
Body kit$0$0    
Bodyside cladding  $350$350$350$350
Deep-tinted rear windows  $275$275$275$275
Laminated front side windows $200    
Painted brake calipers (optional) $0    
Panoramic sunroof  $1200$1200$1200$1200
Rear spoiler $200$200$200$200$200
Sport rocker panels (optional)  $0$0$0$0
Sunroof$900$900    
Wheel-lip moldings  $75$75$75$75
Infotainment 
Android Auto support$100$100    
App support  $0$0$0$0
CD player  $125$125$125$125
CD player, remote$100$100    
Navigation map updates, three years  $0$0$0$0
S Voice support  $0$0$0$0
Satellite radio$200$200    
Satellite radio - one year subscription  $250$250$250$250
SD Card slot$25$25    
SMS text-to-speech reader  $25$25$25$25
Surround sound$250$250   $250
Text dictation  $50$50$50$50
Voice control for external devices  $0$0$0$0
Voice recorder  $0$0$0$0
Wi-Fi hotspot$50$50    
Instruments, Lights, and Mirrors 
Auto-dimming headlights $200$200$200$200$200
Auto-dimming passenger-side mirror$75$75    
Boost gauge $75    
Compass$0$0    
Fog light, rear$100$100    
Head-up display (HUD) $350$350$350$350$350
Interior ambient lighting$150 $150$150$150$150
Interior ambient lighting, configurable $150    
Large color reconfigurable instrument cluster display$250$250    
Mirror tilt-down in reverse  $25$25$25$25
Power-folding mirrors $50$50$50$50$50
Predictive efficiency assist $0    
Road sign information $75    
Steering-linked headlights  $150$150$150$150
Seats and Interior Trim 
Aluminum trim$100$100    
Door sill trim plates$100 $100$100$100$100
Illuminated door sill trim plates $200    
Massage, driver seat $100    
Massage, passenger seat $100    
Metal pedals $75    
Power seatback bolsters, driver seat $100$100$100$100$100
Power seatback bolsters, passenger seat $100$100$100$100$100
Synthetic suede door panel trim $250    
Synthetic suede inserts in leather seating surfaces $0    
Upholstered door armrests (optional) $0    
Wood trim  $300$300$300$300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500$500$500$500$500
Sport suspension (upgrade)$0$0    
Transmission 
Launch control $100    
Total Value of Features$7,250$12,775$8,955$11,005$11,005$11,255
Value of Feature Adjustments$0$5,525$1,705$3,755$3,755$4,005
Value of Feature Adjustments0-5,145-1,602-3,527-3,528-3,762

Return to top

Specifications Comparison: Audi A4 / S4 vs. BMW X3

Model Year20182017
ModelA4 / S4X3
Body4dr Sedan4dr SUV
Wheelbase111.0 in110.6 in
Length186.1 in183.8 in
Width72.5 in74.1 in
Height56.2 in66.1 in
Curb Weight3,451 lb.4,031 lb.
Fuel Capacity16.9 gal.17.7 gal.
Row 1 Headroom38.9 in40.7 in
Row 1 Shoulder Room55.9 in57.3 in
Row 1 Legroom41.3 in39.9 in
Row 2 Headroom37.4 in39.1 in
Row 2 Shoulder Room54.5 in56.0 in
Row 2 Legroom35.7 in36.5 in
Cargo Volume,
Minimum
13.0 ft327.6 ft3
Cargo Volume,
Maximum
13.063.3 ft3

Return to top

Option Package Details
Audi A4 / S4 A4 2.0T

Premium Plus Package
FeatureValueRequested?
Telematics service, such as OnStar200Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Surround sound250Yes
245/40HR18 tires400No
HD radio50Yes
Blind spot warning system200No
LED headlights500Yes
Cross-traffic warning, rear100No
Collision preparation system, rear100No
Vehicle exit assist25No
Bang & Olufsen, 755W, 19 speakers (with subwoofer)350No
Memory system, driver seat200Yes
Satellite radio200Yes
Auto-dimming driver-side mirror75Yes
Alarm100No
Proximity key250Yes
Auto-dimming passenger-side mirror75No
Total Requested212561%
Total Not Requested135039%
Navigation and Telematics Package
FeatureValueRequested?
Large color reconfigurable instrument cluster display250No
Telematics service, such as OnStar200Yes
Handwriting recognition200Yes
Remote app25Yes
Speed limit information0No
4G LTE connectivity0Yes
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
HD radio50Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
Total Requested134082%
Total Not Requested30018%
Sport Package
FeatureValueRequested?
Sport suspension (upgrade)250No
Manual thigh support length adjuster, driver seat50Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Manual thigh support length adjuster, passenger seat50Yes
Front sport buckets100Yes
Dark-colored headliner (optional)0No
Total Requested35058%
Total Not Requested25042%

Option Package Details
Audi A4 / S4 S4 3.0T

Prestige Package
FeatureValueRequested?
Head-up display (HUD)350Yes
Laminated front side windows200No
Around view cameras300Yes
Wide-view front camera150Yes
Wide-view rear camera0No
Interior ambient lighting, configurable0No
Upholstered door armrests (optional)0No
Large color reconfigurable instrument cluster display250No
Handwriting recognition200Yes
Remote app25Yes
Speed limit information0No
4G LTE connectivity0Yes
Navigation system600Yes
DVD-compatible player0Yes
Voice control for nav and audio75Yes
Media drive15Yes
Traffic + travel information25Yes
In-vehicle Internet150Yes
Wi-Fi hotspot50No
Total Requested189079%
Total Not Requested50021%
Driver Assistance Package
FeatureValueRequested?
Auto-dimming headlights200Yes
Lane departure warning200Yes
Road sign information75No
Turn assist25No
Lane keeping assist400No
Following distance indicator25No
Low-speed semi-autonomous driving100No
Evasive maneuver assist200No
Predictive efficiency assist0No
Adaptive cruise control, all-speed, topography and road sign aware950No
Total Requested40018%
Total Not Requested177582%
S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

Option Package Details
BMW X3 sDrive28i

LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Steering-linked headlights
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Total Requested50077%
Total Not Requested15023%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Total Requested1300100%
Total Not Requested00%
Around view cameras
FeatureValueRequested?
Around view cameras300Yes
Wide-view front camera150Yes
Total Requested450100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Panoramic sunroof1200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250Yes
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested55026%
Total Not Requested155074%
M Sport Package
FeatureValueRequested?
Manual thigh support length adjuster, driver seat50Yes
Power seatback bolsters, driver seat100Yes
Manual thigh support length adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100Yes
Front sport buckets100Yes
Bodyside cladding100No
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Steering-wheel-mounted transmission controls100Yes
Dark-colored headliner (optional)0No
245/45WR19 tires400No
Door sill trim plates100Yes
Sport rocker panels (optional)0No
Black exterior trim (optional)0No
Total Requested60055%
Total Not Requested50045%
Driver Assistance Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Total Requested600100%
Total Not Requested00%
Dynamic Handling Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Variable steering ratio (optional)0No
Total Requested500100%
Total Not Requested00%
Technology Package
FeatureValueRequested?
Head-up display (HUD)350Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150Yes
Handwriting recognition200Yes
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0Yes
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25Yes
App support0No
Remote app25Yes
Total Requested1465100%
Total Not Requested00%

Option Package Details
BMW X3 xDrive28i

LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Steering-linked headlights
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Total Requested50077%
Total Not Requested15023%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Total Requested1300100%
Total Not Requested00%
Around view cameras
FeatureValueRequested?
Around view cameras300Yes
Wide-view front camera150Yes
Total Requested450100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Panoramic sunroof1200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250Yes
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested55026%
Total Not Requested155074%
Dynamic Handling Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Torque vectoring, brake-based100Yes
Variable steering ratio (optional)0No
Total Requested600100%
Total Not Requested00%
M Sport Package
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Door sill trim plates100Yes
Sport rocker panels (optional)0No
Black exterior trim (optional)0No
Manual thigh support length adjuster, driver seat50Yes
Power seatback bolsters, driver seat100Yes
Manual thigh support length adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100Yes
Bodyside cladding100No
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Steering-wheel-mounted transmission controls100Yes
Dark-colored headliner (optional)0No
Front sport buckets100Yes
245/45WR19 tires400No
Total Requested70058%
Total Not Requested50042%
Driver Assistance Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Total Requested600100%
Total Not Requested00%
Technology Package
FeatureValueRequested?
Head-up display (HUD)350Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150Yes
Handwriting recognition200Yes
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0Yes
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25Yes
App support0No
Remote app25Yes
Total Requested1465100%
Total Not Requested00%

Option Package Details
BMW X3 xDrive28d

LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Steering-linked headlights
FeatureValueRequested?
Steering-linked headlights150No
Xenon HID headlights500Yes
Total Requested50077%
Total Not Requested15023%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Total Requested1300100%
Total Not Requested00%
Around view cameras
FeatureValueRequested?
Around view cameras300Yes
Wide-view front camera150Yes
Total Requested450100%
Total Not Requested00%
Premium Package
FeatureValueRequested?
Panoramic sunroof1200No
Power 4-way lumbar adjuster, driver seat150Yes
Power 4-way lumbar adjuster, passenger seat150Yes
Proximity key250Yes
Satellite radio - one year subscription250No
Hands-free trunk or liftgate100No
Total Requested55026%
Total Not Requested155074%
Dynamic Handling Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Torque vectoring, brake-based100Yes
Variable steering ratio (optional)0No
Total Requested600100%
Total Not Requested00%
M Sport Package
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Door sill trim plates100Yes
Sport rocker panels (optional)0No
Black exterior trim (optional)0No
Manual thigh support length adjuster, driver seat50Yes
Power seatback bolsters, driver seat100Yes
Manual thigh support length adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100Yes
Bodyside cladding100No
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Steering-wheel-mounted transmission controls100Yes
Dark-colored headliner (optional)0No
Front sport buckets100Yes
245/45WR19 tires400No
Total Requested70058%
Total Not Requested50042%
Driver Assistance Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Total Requested600100%
Total Not Requested00%
Technology Package
FeatureValueRequested?
Head-up display (HUD)350Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150Yes
Handwriting recognition200Yes
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0Yes
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25Yes
App support0No
Remote app25Yes
Total Requested1465100%
Total Not Requested00%

Option Package Details
BMW X3 xDrive35i

LED headlights
FeatureValueRequested?
LED headlights500Yes
Auto-dimming headlights200Yes
Total Requested700100%
Total Not Requested00%
Adaptive cruise control, all-speed
FeatureValueRequested?
Adaptive cruise control, all-speed700Yes
Radar- or camera-based collision preparation system0Yes
Lane departure warning system200Yes
Automatic braking, high-speed or partial200Yes
Forward collision warning200Yes
Total Requested1300100%
Total Not Requested00%
Around view cameras
FeatureValueRequested?
Around view cameras300Yes
Wide-view front camera150Yes
Total Requested450100%
Total Not Requested00%
Dynamic Handling Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Torque vectoring, brake-based100Yes
Variable steering ratio (optional)0No
Total Requested600100%
Total Not Requested00%
M Sport Package
FeatureValueRequested?
Torque vectoring, brake-based100Yes
Door sill trim plates100Yes
Sport rocker panels (optional)0No
Black exterior trim (optional)0No
Manual thigh support length adjuster, driver seat50Yes
Power seatback bolsters, driver seat100Yes
Manual thigh support length adjuster, passenger seat50Yes
Power seatback bolsters, passenger seat100Yes
Bodyside cladding100No
Sport front fascia (optional)0No
Sport rear fascia, e.g. diffuser (optional)0No
Steering-wheel-mounted transmission controls100Yes
Dark-colored headliner (optional)0No
Front sport buckets100Yes
245/45WR19 tires400No
Total Requested70058%
Total Not Requested50042%
Driver Assistance Package
FeatureValueRequested?
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Total Requested600100%
Total Not Requested00%
Technology Package
FeatureValueRequested?
Head-up display (HUD)350Yes
DVD-compatible player0Yes
Voice control for nav and audio100Yes
Media drive15Yes
In-vehicle Internet150Yes
Handwriting recognition200Yes
Siri Eyes Free support0Yes
S Voice support0No
4G LTE connectivity0Yes
Navigation map updates, three years0No
Navigation system600Yes
Traffic + travel information25Yes
App support0No
Remote app25Yes
Total Requested1465100%
Total Not Requested00%

Was this information useful?

We're glad we could help! Share this page:

We're so sorry! Tell us how we can improve it.

See TrueDelta's information for all Sedans, Wagons, and Convertibles.
See TrueDelta's information for all Audi models.