Audi A4 / S4 / RS4 Audi A4 / S4 / RS4 2008 BMW i8 BMW i8 2016

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Audi A4 / S4 / RS4 vs. BMW i8 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 / RS4 vs. BMW i8 Invoice Comparison

Lowest Total Price: $84,775

Audi A4 / S4 / RS4 RS4 Cabriolet   
Difference: $55,127

Lowest Total Invoice: $79,043

Audi A4 / S4 / RS4 RS4 Cabriolet   
Difference: $50,104

Calculate Payments

  Down Payment Interest Rate Term
Model Year20082016
ModelA4 / S4 / RS4i8
TrimRS4 CabrioletBase
Body2dr Convertible2dr Coupe
Base Price $81,900 $140,700
Base Invoice $76,168 $130,125
iPod integration 0  
Giga World   2,000
iPod integration 0  
Giga World   1,820
Options (change) 0 2,000
Options (change) 0 1,820
Destination 775 995
Gas Tax 2,100 -3,793
Total Price $84,775 $139,902
Total Invoice $79,043 $129,147

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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 / RS4 dealer quotes or BMW i8 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 / RS4 vs. BMW i8

Lowest Adjusted Price and Invoice: Audi A4 / S4 / RS4 RS4 Cabriolet
TrueDelta Adjusted Price Difference: $55,677
TrueDelta Adjusted Invoice Difference: $50,617
Model Year20082016
ModelA4 / S4 / RS4i8
TrimRS4 CabrioletBase
Body2dr Convertible2dr Coupe
Engine420hp V8357hp I3 PiH
TransmissionM6T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)13/20 MPG28/29 MPG
Audio (watts, speakers)215, 9360, 11
Tire (rear if not all the same)255/35-19215/45-20
Total Price$84,775$139,902
Adjustments for Features-5500
Feature-Adjusted Total Price$84,225$139,902
Total Invoice$79,043$129,147
Adjustments for Features-5130
Feature-Adjusted Total Invoice$78,530$129,147

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Features Comparison: Audi A4 / S4 / RS4 vs. BMW i8

Model Year20082016
ModelA4 / S4 / RS4i8
TrimRS4 CabrioletBase
Body2dr Convertible2dr Coupe
Transmission and Drivetrain 
6-speed manual$150 
6-speed manually-shiftable automatic $1100
AWD$1700$1700
Accessories 
Power rear side windows$200 
Proximity key $250
Remote app $25
Wind blocker$300 
Brakes, Airbags, and Other Safety 
Active or whiplash-reducing head restraints, front seats$0 
Around view cameras $500
Auto-raising roll bars / headrests$500 
Automatic braking, low-speed $200
Blind spot warning system $200
Driver drowsiness monitor $150
Forward collision warning $200
Full-size spare tire$225 
Lane departure warning $200
Obstacle detection, front $150
Pedestrian detection $50
Side curtain airbags $350
Wide-view front camera $150
Cargo Management 
Rear seat pass-through$100 
Ski sack$50 
Storage compartment under front seat(s)$50 
Climate Control 
Heated windshield washer nozzles$15 
Rear air vents with manual controls $150
Residual heat $50
Engine / Motor 
3.3 kW onboard charger $0
7 kWh battery pack $0
Automatic start / stop $150
Mid-engine configuration $0
Exterior 
Body kit$0 
Bodyside moldings$75 
Bright-finished exhaust tip(s)$25 
Carbon fiber body structure $0
Power convertible top$4000 
Rear spoiler$200 
Sunroof$900 
Infotainment 
App support $0
Aux input $50
Bluetooth audio streaming $25
Concierge Services - 3 year subscription $150
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
iPod integration$100 
Media drive $15
MP3-compatible player$50 
S Voice support $0
Satellite radio$200 
Satellite radio - one year subscription $250
Siri Eyes Free support $0
SMS text-to-speech reader $25
Surround sound $250
Telematics service, such as OnStar $200
Text dictation $50
Traffic + travel information $25
USB port $25
Voice control for external devices $0
Voice control for nav and audio $100
Voice recorder $0
Instruments, Lights, and Mirrors 
Compass$0 
Fog light, rear$100 
Fog lights$125 
Head-up display (HUD) $350
Headlight washers$50 
Interior ambient lighting$150 
Interior ambient lighting, configurable $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Power-folding mirrors$50 
Steering-linked headlights$150 
Turn signals on or near mirrors$25 
Xenon HID headlights$500 
Seats and Interior Trim 
Carbon fiber trim$200 
Center armrest(s), second row$50 
Door sill trim plates$100 
Heated second row seats$200 
Manual height adjuster, driver seat$50 
Manual thigh support length adjuster, driver seat$50 
Power 4-way lumbar adjuster, driver seat$150 
Power 4-way lumbar adjuster, passenger seat$150 
Power fore-aft adjuster, driver seat $100
Power height adjuster, driver seat $100
Power recliner, driver seat $100
Power tilt adjuster, passenger seat$100 
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector $200
Hydraulically cross-linked dampers$500 
Ultra-sport suspension (upgrade)$0 
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$11,540$10,990
Value of Feature Adjustments$550$0
Value of Feature Adjustments-5130

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Specifications Comparison: Audi A4 / S4 / RS4 vs. BMW i8

Model Year20082016
ModelA4 / S4 / RS4i8
Body2dr Convertible2dr Coupe
Wheelbase104.3 in110.2 in
Length180.0 in184.9 in
Width70.0 in76.5 in
Height54.8 in50.8 in
Curb Weight4,266 lb.3,455 lb.
Fuel Capacity16.6 gal.11.1 gal.
Row 1 Headroom38.0 in38.7 in
Row 1 Shoulder Room53.0 in61.1 in
Row 1 Legroom41.3 in0.0 in
Row 2 Headroom36.3 in32.4 in
Row 2 Shoulder Room45.1 in51.5 in
Row 2 Legroom32.4 in0.0 in
Cargo Volume8.9 ft34.7 ft3

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