BMW i8 BMW i8 2015 Cadillac XTS Cadillac XTS 2015

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BMW i8 vs. Cadillac XTS 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.

BMW i8 vs. Cadillac XTS Invoice Comparison

Lowest Total Price: $71,275

Cadillac XTS Vsport Platinum   
Difference: $64,427

Lowest Total Invoice: $66,680

Cadillac XTS Vsport Platinum   
Difference: $58,602

Calculate Payments

  Down Payment Interest Rate Term
Model Year20152015
Modeli8XTS
TrimBaseVsport Platinum
Body2dr Coupe4dr Sedan
Base Price $136,500 $69,785
Base Invoice $126,260 $65,249
Giga World 2,000  
Metallic paint (extra cost)   495
Giga World 1,820  
Metallic paint (extra cost)   436
Options (change) 2,000 495
Options (change) 1,820 436
Destination 995 995
Gas Tax -3,793 0
Total Price $135,702 $71,275
Total Invoice $125,282 $66,680

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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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TrueDelta Value Comparison: BMW i8 vs. Cadillac XTS

Lowest Adjusted Price and Invoice: Cadillac XTS Vsport Platinum
TrueDelta Adjusted Price Difference: $70,502
TrueDelta Adjusted Invoice Difference: $64,285
Model Year20152015
Modeli8XTS
TrimBaseVsport Platinum
Body2dr Coupe4dr Sedan
Engine357hp I3 PiH410hp V6
TransmissionT6T6
DrivetrainAWDAWD
EPA Fuel Economy (city/highway)28/29 MPG16/24 MPG
Audio (watts, speakers)360, 11?, 14
Tire (rear if not all the same)215/45-20245/40-20
Total Price$135,702$71,275
Adjustments for Features0-6,075
Feature-Adjusted Total Price$135,702$65,200
Total Invoice$125,282$66,680
Adjustments for Features0-5,683
Feature-Adjusted Total Invoice$125,282$60,997

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Features Comparison: BMW i8 vs. Cadillac XTS

Model Year20152015
Modeli8XTS
TrimBaseVsport Platinum
Body2dr Coupe4dr Sedan
Transmission and Drivetrain 
6-speed manually-shiftable automatic$1100$1100
AWD$1700$1700
Accessories 
AC power outlet $100
Active noise reduction $0
Adaptive cruise control, all-speed $850
Cruise control$150 
Heated steering wheel $100
Power rear side windows $200
Remote start $150
Sunshade, rear, power $225
Sunshades, second row $125
Tilt/telescoping steering wheel, manual$250 
Tilt/telescoping steering wheel, power $350
Brakes, Airbags, and Other Safety 
Around view cameras$500 
Automatic braking, high-speed or partial $200
Backup collision intervention $150
Cross-traffic warning, rear $100
Driver drowsiness monitor$150 
Lane departure collision mitigation$50 
Pedestrian detection$50 
Radar- or camera-based collision preparation system $0
Rear side airbags $300
Rearview camera $200
Rollover sensor $50
Vehicle health reports $0
Wide-view front camera$150 
Cargo Management 
Cargo net $40
Rear seat pass-through $100
Climate Control 
Rear air vents with automatic controls $250
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 
Laminated front side windows $200
Panoramic sunroof $1200
Infotainment 
4G LTE connectivity $0
Concierge Services - 3 year subscription$150 
Handwriting recognition$200 
In-vehicle Internet$150 
Media drive$15 
Rear seat audio controls $25
S Voice support$0 
Satellite radio $200
Satellite radio - one year subscription$250 
SD Card slot $25
Siri Eyes Free support$0 
SMS text-to-speech reader$25 
Telematics service, such as OnStar$200 
Telematics service, such as OnStar, with navigation $225
Text dictation$50 
Traffic + travel information$25 
Traffic information $25
Voice recorder$0 
Wi-Fi hotspot $50
Instruments, Lights, and Mirrors 
Approach detection $25
Auto-dimming headlights $200
Boost gauge $75
Compass $0
Cornering lights $50
Interior ambient lighting $150
Interior ambient lighting, configurable$150 
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 
Center armrest(s), second row $50
Cooled or ventilated front seats $300
Folding second row seats $300
Heated second row seats $200
Illuminated door sill trim plates $200
Leather-wrapped steering wheel$150 
Manual thigh support length adjuster, driver seat $50
Manual thigh support length adjuster, passenger seat $50
Memory system, passenger seat $150
Power 4-way lumbar adjuster, driver seat $150
Power 4-way lumbar adjuster, passenger seat $150
Power tilt adjuster, driver seat $100
Power tilt adjuster, passenger seat $100
Synthetic suede headliner $650
Wood trim, alternative type $300
Suspension, Wheels, and Tires 
Alloy wheels$350 
Polished alloy wheels $350
Rear air springs, auto-leveling $350
Total Value of Features$7,165$13,240
Value of Feature Adjustments$0$6,075
Value of Feature Adjustments0-5,683

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Specifications Comparison: BMW i8 vs. Cadillac XTS

Model Year20152015
Modeli8XTS
Body2dr Coupe4dr Sedan
Wheelbase110.2 in111.7 in
Length184.9 in202.0 in
Width76.5 in72.9 in
Height50.8 in59.5 in
Curb Weight3,455 lb.4,364 lb.
Fuel Capacity11.1 gal.19.0 gal.
Row 1 Headroom38.7 in39.0 in
Row 1 Shoulder Room61.1 in57.9 in
Row 1 Hip Room0.0 in55.1 in
Row 1 Legroom0.0 in42.1 in
Row 2 Headroom32.4 in37.8 in
Row 2 Shoulder Room51.5 in56.3 in
Row 2 Hip Room0.0 in54.3 in
Row 2 Legroom0.0 in40.0 in
Cargo Volume4.7 ft318.0 ft3

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