Mazda RX-8 Mazda RX-8 2011 BMW i8 BMW i8 2017

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Mazda RX-8 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.

Mazda RX-8 vs. BMW i8 Invoice Comparison

Lowest Total Price: $35,055

Mazda RX-8 Grand Touring   
Difference: $107,547

Lowest Total Invoice: $32,393

Mazda RX-8 Grand Touring   
Difference: $100,689

Calculate Payments

  Down Payment Interest Rate Term
Model Year20112017
ModelRX-8i8
TrimGrand TouringBase
Body4dr Coupe2dr Coupe
Base Price $32,260 $143,400
Base Invoice $29,878 $134,040
Navigation system 2,000  
Giga World   2,000
Navigation system 1,720  
Giga World   1,840
Options (change) 2,000 2,000
Options (change) 1,720 1,840
Destination 795 995
Gas Tax 0 -3,793
Total Price $35,055 $142,602
Total Invoice $32,393 $133,082

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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 Mazda RX-8 dealer quotes or BMW i8 dealer quotes from dealers using our car quote form.

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TrueDelta Value Comparison: Mazda RX-8 vs. BMW i8

Lowest Adjusted Price and Invoice: Mazda RX-8 Grand Touring
TrueDelta Adjusted Price Difference: $99,707
TrueDelta Adjusted Invoice Difference: $93,372
Model Year20112017
ModelRX-8i8
TrimGrand TouringBase
Body4dr Coupe2dr Coupe
Engine232hp R2357hp I3 PiH
TransmissionM6T6
DrivetrainRWDAWD
EPA Fuel Economy (city/highway)/ MPG/ MPG
Audio (watts, speakers)300, 9360, 11
Tire (rear if not all the same)225/45-18215/45-20
Total Price$35,055$142,602
Adjustments for Features0-7,840
Feature-Adjusted Total Price$35,055$134,762
Total Invoice$32,393$133,082
Adjustments for Features0-7,317
Feature-Adjusted Total Invoice$32,393$125,765

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Features Comparison: Mazda RX-8 vs. BMW i8

Model Year20112017
ModelRX-8i8
TrimGrand TouringBase
Body4dr Coupe2dr Coupe
Transmission and Drivetrain 
6-speed manual$150 
6-speed manually-shiftable automatic $1100
RWD$0 
AWD $1700
Accessories 
Remote app $25
Tilt steering wheel, manual$150 
Tilt/telescoping steering wheel, manual $250
Brakes, Airbags, and Other Safety 
Around view cameras $500
Automatic braking, low-speed $200
Blind spot warning system $200
Brake assist $50
Driver drowsiness monitor $150
Forward collision warning $200
Knee airbag, driver $75
Knee airbag, passenger $75
Lane departure warning $200
Obstacle detection, front $150
Obstacle detection, rear $250
Pedestrian detection $50
Wide-view front camera $150
Cargo Management 
Overhead sunglass holder$25 
Rear seat pass-through$100 
Second-row high console$250 
Climate Control 
Automatic air recirculation $100
Dual-zone climate control $125
Rear air vents with manual controls $150
Residual heat $50
Drivetrain 
Limited-slip rear differential$300 
Engine / Motor 
3.3 kW onboard charger $0
7 kWh battery pack $0
Automatic start / stop $150
Mid-engine configuration $0
Exterior 
Bright-finished exhaust tip(s)$25 
Carbon fiber body structure $0
Rear spoiler$200 
Sunroof$900 
Infotainment 
App support $0
Bluetooth audio streaming $25
CD changer, in-dash$325 
Concierge Services - 3 year subscription $150
Handwriting recognition $200
HD radio $50
In-vehicle Internet $150
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
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 
Auto-dimming driver-side mirror $75
Auto-dimming passenger-side mirror $75
Fog lights$125 
Head-up display (HUD) $350
Interior ambient lighting, configurable $150
Large color reconfigurable instrument cluster display $250
LED headlights $1000
Trip computer $150
Xenon HID headlights$500 
Seats and Interior Trim 
Center armrest(s), second row$50 
Door sill trim plates$100 
Leather door panel trim $250
Metal pedals$75 
Power fore-aft adjuster, passenger seat $100
Power height adjuster, passenger seat $100
Power lumbar adjuster, driver seat$100 
Power recliner, passenger seat $100
Power tilt adjuster, driver seat$100 
Upholstered instrument panel, leather $1000
Suspension, Wheels, and Tires 
Adaptive dampers - electrical $500
Electronic systems calibration selector $200
Transmission 
Steering-wheel-mounted transmission controls $100
Total Value of Features$3,725$11,565
Value of Feature Adjustments$0$7,840
Value of Feature Adjustments0-7,317

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Specifications Comparison: Mazda RX-8 vs. BMW i8

Model Year20112017
ModelRX-8i8
Body4dr Coupe2dr Coupe
Wheelbase106.4 in110.2 in
Length175.6 in184.9 in
Width69.7 in76.5 in
Height52.8 in50.8 in
Curb Weight3,065 lb.3,456 lb.
Fuel Capacity15.9 gal.11.1 gal.
Row 1 Headroom38.2 in38.7 in
Row 1 Shoulder Room54.8 in61.1 in
Row 1 Hip Room53.3 in0.0 in
Row 1 Legroom42.7 in0.0 in
Row 2 Headroom36.8 in32.4 in
Row 2 Shoulder Room54.9 in51.5 in
Row 2 Hip Room48.1 in0.0 in
Row 2 Legroom32.2 in0.0 in
Cargo Volume7.6 ft34.7 ft3

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