Audi A4 / S4 Audi A4 / S4 2018 Audi R8 Audi R8 2008

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Audi A4 / S4 vs. Audi R8 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. Audi R8 Invoice Comparison

Lowest Total Price: $38,865

Audi A4 / S4 A4 2.0T ultra   
Difference: $77,385

Lowest Total Invoice: $36,214

Audi A4 / S4 A4 2.0T ultra   
Difference: $72,116

Calculate Payments

  Down Payment Interest Rate Term
Model Year2018201820182008
ModelA4 / S4A4 / S4A4 / S4R8
TrimA4 2.0T ultraA4 2.0TS4 3.0T4.2
Body4dr Sedan4dr Sedan4dr Sedan2dr Coupe
Base Price $36,000 $40,500 $51,400 $109,000
Base Invoice $33,480 $37,666 $47,802 $101,370
Metallic paint (extra cost) 575 575 575 650
Metal pedals 240 240    
Cargo net 80 80 80  
Carbon fiber rear spoiler 995      
S Sport Package     2,500  
Convenience Package       3,500
Metallic paint (extra cost) 536 536 536 605
Metal pedals 223 223    
Cargo net 74 74 74  
Carbon fiber rear spoiler 926      
S Sport Package     2,326  
Convenience Package       3,255
Options (change) 1,890 895 3,155 4,150
Options (change) 1,759 833 2,936 3,860
Destination 975 975 975 1,000
Gas Tax 0 0 0 2,100
Total Price $38,865 $42,370 $55,530 $116,250
Total Invoice $36,214 $39,474 $51,713 $108,330

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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 Audi A4 / S4 dealer quotes or Audi R8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Audi A4 / S4 vs. Audi R8

Lowest Adjusted Price and Invoice: Audi A4 / S4 A4 2.0T ultra
TrueDelta Adjusted Price Difference: $79,630
TrueDelta Adjusted Invoice Difference: $74,208
Model Year2018201820182008
ModelA4 / S4A4 / S4A4 / S4R8
TrimA4 2.0T ultraA4 2.0TS4 3.0T4.2
Body4dr Sedan4dr Sedan4dr Sedan2dr Coupe
Engine190hp I4252hp I4354hp V6420hp V8
TransmissionS7S7T8M6
DrivetrainFWDAWDAWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG/ MPG/ MPG
Audio (watts, speakers)180, 10180, 10755, 19140, 7
Tire (rear if not all the same)225/50-17225/50-17245/40-18235/35-19
Total Price$38,865$42,370$55,530$116,250
Adjustments for Features-2,245-3,645-8,7950
Feature-Adjusted Total Price$36,620$38,725$46,735$116,250
Cost Above Minimum$0$2,105$10,115$0
Total Invoice$36,214$39,474$51,713$108,330
Adjustments for Features-2,092-3,396-8,1900
Feature-Adjusted Total Invoice$34,122$36,078$43,523$108,330
Cost Above Minimum$0$1,956$9,401$0

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Features Comparison: Audi A4 / S4 vs. Audi R8

Model Year2018201820182008
ModelA4 / S4A4 / S4A4 / S4R8
TrimA4 2.0T ultraA4 2.0TS4 3.0T4.2
Body4dr Sedan4dr Sedan4dr Sedan2dr Coupe
Transmission and Drivetrain 
7-speed automated manual$1200$1200  
8-speed manually-shiftable automatic  $1300 
6-speed manual   $150
FWD$0   
AWD $1700$1700$1700
Accessories 
Power rear side windows$200$200$200 
Proximity key  $250 
Brakes, Airbags, and Other Safety 
Automatic braking, high-speed or partial$200$200$200 
Automatic braking, low-speed$200$200$200 
Blind spot warning system  $200 
Collision preparation system, rear  $100 
Cross-traffic warning, rear  $100 
Driver drowsiness monitor$150$150$150 
Forward collision warning$200$200$200 
Obstacle detection, front  $150$150
Obstacle detection, rear  $250$250
Pedestrian detection$50$50$50 
Radar- or camera-based collision preparation system$0$0$0 
Rollover sensor$50$50$50 
Secondary collision brake assist$25$25$25 
Side curtain airbags$350$350$350 
Temporary spare tire$150$150$150 
Torque vectoring, brake-based$100$100$100 
Vehicle exit assist  $25 
Cargo Management 
Air-conditioned storage compartment$50$50$50 
Climate Control 
Automatic air recirculation$100$100$100 
Dual-zone climate control$125$125$125 
Heated windshield washer nozzles$15$15$15 
Rear air vents with automatic controls$250$250$250 
Drivetrain 
Active rear differential  $500 
Engine / Motor 
Automatic start / stop$150$150$150 
Mid-engine configuration   $0
Regenerative braking$0$0$0 
Exterior 
Body kit$0$0$0 
Bright-finished fuel door   $100
Carbon fiber rear spoiler$300   
Painted brake calipers (optional)  $0 
Rear spoiler  $200 
Retractable rear spoiler   $400
Sunroof$900$900$900 
Infotainment 
Android Auto support$100$100$100 
Apple CarPlay support$100$100$100 
Aux input$50$50$50 
Bluetooth audio streaming$25$25$25 
CD changer, in-dash   $325
CD player, remote$100$100$100 
HD radio  $50 
Satellite radio  $200$200
Surround sound  $250 
Telematics service, such as OnStar  $200 
USB port$25$25$25 
Voice control for audio system$25$25$25 
Instruments, Lights, and Mirrors 
Auto-dimming driver-side mirror  $75$75
Auto-dimming passenger-side mirror  $75 
Boost gauge  $75 
Fog light, rear$100$100$100 
Fog lights$125$125$125 
Illuminated visor mirror, driver$50$50$50 
Illuminated visor mirror, passenger$50$50$50 
LED headlights  $1000 
Power-folding mirrors  $50 
Visor mirror, driver   $10
Visor mirror, passenger   $10
Xenon HID headlights$500$500 $500
Seats and Interior Trim 
Aluminum trim$100$100$100 
Center armrest(s), second row$50$50$50 
Door sill trim plates$100$100 $100
Folding second row seats$300$300$300 
Illuminated door sill trim plates  $200 
Manual thigh support length adjuster, driver seat  $50 
Manual thigh support length adjuster, passenger seat  $50 
Massage, driver seat  $100 
Massage, passenger seat  $100 
Memory system, driver seat  $200 
No leather in second row   $-300
Power 4-way lumbar adjuster, passenger seat  $150$150
Power seatback bolsters, driver seat  $100 
Power seatback bolsters, passenger seat  $100 
Synthetic suede door panel trim  $250 
Synthetic suede inserts in leather seating surfaces  $0$0
Upholstered instrument panel   $300
Suspension, Wheels, and Tires 
Adaptive dampers - electrical  $500$500
Electronic systems calibration selector$200$200$200 
Sport suspension (upgrade)  $0 
Transmission 
Launch control  $100 
Steering-wheel-mounted transmission controls$100$100$100 
Total Value of Features$6,865$8,265$13,415$4,620
Value of Feature Adjustments$2,245$3,645$8,795$0
Value of Feature Adjustments-2,092-3,396-8,1900

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Specifications Comparison: Audi A4 / S4 vs. Audi R8

Model Year20182008
ModelA4 / S4R8
Body4dr Sedan2dr Coupe
Wheelbase111.0 in104.3 in
Length186.1 in174.5 in
Width72.5 in75.0 in
Height56.2 in49.3 in
Curb Weight3,451 lb.3,606 lb.
Fuel Capacity16.9 gal.23.8 gal.
Row 1 Headroom38.9 in38.0 in
Row 1 Shoulder Room55.9 in54.4 in
Row 1 Legroom41.3 in41.1 in
Row 2 Headroom37.4 in0.0 in
Row 2 Shoulder Room54.5 in0.0 in
Row 2 Legroom35.7 in0.0 in
Cargo Volume13.0 ft33.5 ft3

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Option Package Details
Audi A4 / S4 S4 3.0T

S Sport Package
FeatureValueRequested?
Adaptive dampers - electrical500Yes
Active rear differential500No
Painted brake calipers (optional)0No
Total Requested50050%
Total Not Requested50050%

Option Package Details
Audi R8 4.2

Convenience Package
FeatureValueRequested?
CD changer, in-dash200No
Universal garage door opener100Yes
Bluetooth cell phone link100Yes
Obstacle detection, front150Yes
Obstacle detection, rear250Yes
Rearview camera200Yes
Auto-dimming driver-side mirror75Yes
Cargo net40Yes
Hill start assist75No
Total Requested91577%
Total Not Requested27523%

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