Model Year | 2006 | 2006 | 2015 | 2015 | 2015 |
Model | Boxster | Boxster | XK | XK | XK |
Trim | Base | S | Base | XKR | XKR-S |
Body | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible | 2dr Convertible |
| | | | | |
Transmission and Drivetrain | |
5-speed manual | $0 | | | | |
6-speed manual | | $150 | | | |
6-speed manually-shiftable automatic | | | $1100 | $1100 | $1100 |
RWD | $0 | $0 | $0 | $0 | $0 |
Accessories | |
Cruise control | | | $150 | $150 | $150 |
Heated steering wheel | | | $100 | $100 | $100 |
Power front side windows | | | $250 | $250 | $250 |
Power locks | | | $275 | $275 | $275 |
Power rear side windows | | | $200 | $200 | $200 |
Proximity key | | | $250 | $250 | $250 |
Remote keyless entry | | | $225 | $225 | $225 |
Tilt/telescoping steering wheel, power | | | $350 | $350 | $350 |
Universal garage door opener | | | $100 | $100 | $100 |
Brakes, Airbags, and Other Safety | |
4-wheel disc brakes | | | $150 | $150 | $150 |
Active or whiplash-reducing head restraints, front seats | | | $0 | | |
Antilock brakes (ABS) | | | $400 | $400 | $400 |
Auto-raising roll bars / headrests | | | $500 | $500 | $500 |
Brake assist | | | $50 | $50 | $50 |
Front side airbags | | | $350 | $350 | $350 |
Obstacle detection, front | | | $150 | $150 | $150 |
Obstacle detection, rear | | | $250 | $250 | $250 |
Stability control | | | $400 | $400 | $400 |
Tire-pressure monitor | | | $75 | $75 | $75 |
Traction control | | | $100 | $100 | $100 |
Cargo Management | |
Cargo net | | | $40 | $40 | $40 |
Console with shifter | | | $150 | $150 | $150 |
Climate Control | |
Air conditioning | | | $900 | $900 | $900 |
Automatic climate control, front | | | $200 | $200 | $200 |
Dual-zone climate control | | | $125 | $125 | $125 |
Interior air filter | | | $0 | $0 | $0 |
Rain-sensing wipers | | | $175 | $175 | $175 |
Rear defrost | | | $200 | $200 | $200 |
Drivetrain | |
Active rear differential | | | | $500 | $500 |
Engine / Motor | |
Dual-mode exhaust, switchable | | | | $500 | $500 |
Mid-engine configuration | $0 | $0 | | | |
Exterior | |
Bright-finished exhaust tip(s) | | | $25 | $25 | $25 |
Carbon fiber front splitter spoiler | | | | | $300 |
Carbon fiber rear spoiler | | | | | $300 |
Painted brake calipers (optional) | | | | $0 | $0 |
Power convertible top | | | $4000 | $4000 | $4000 |
Rear spoiler | | | $200 | $200 | |
Infotainment | |
Audio controls on steering wheel | | | $125 | $125 | $125 |
Bluetooth cell phone link | | | $100 | $100 | $100 |
CD changer, in-dash | | | $325 | $325 | $325 |
HD radio | | | $50 | $50 | $50 |
MP3-compatible player | | | $50 | $50 | $50 |
Satellite radio | | | $200 | $200 | $200 |
Surround sound | | | $250 | $250 | $250 |
Voice control for nav and audio | | | $100 | $100 | $100 |
Instruments, Lights, and Mirrors | |
Auto-dimming driver-side mirror | | | $75 | $75 | $75 |
Auto-dimming passenger-side mirror | | | $75 | $75 | $75 |
Auto-dimming rearview mirror | | | $150 | $150 | $150 |
Automatic headlights | | | $125 | $125 | $125 |
Compass | | | $0 | $0 | $0 |
Cornering lights | | | $50 | $50 | $50 |
Fog light, rear | | | $100 | $100 | $100 |
Headlight washers | | | $50 | $50 | $50 |
Heated mirrors | | | $25 | $25 | $25 |
Illuminated visor mirror, driver | | | $50 | $50 | $50 |
Illuminated visor mirror, passenger | | | $50 | $50 | $50 |
Mirror tilt-down in reverse | | | $25 | $25 | $25 |
Outside temperature display | | | $50 | $50 | $50 |
Power mirrors | | | $150 | $150 | $150 |
Power-folding mirrors | | | $50 | $50 | $50 |
Steering-linked headlights | | | $150 | $150 | $150 |
Tachometer | | | $75 | $75 | $75 |
Trip computer | | | $150 | $150 | $150 |
Turn signals on or near mirrors | | | $25 | $25 | $25 |
Xenon HID headlights | | | $500 | $500 | $500 |
Seats and Interior Trim | |
Center armrest(s), front row | | | $75 | $75 | $75 |
Center armrest(s), second row | | | $50 | $50 | $50 |
Cooled or ventilated front seats | | | $300 | | |
Floor mats | | | $75 | $75 | $75 |
Heated front seats | | | $200 | $200 | $200 |
Leather-wrapped steering wheel | | | $150 | | $150 |
Memory system, driver seat | | | $200 | $200 | $200 |
Memory system, passenger seat | | | $150 | $150 | $150 |
Power 4-way lumbar adjuster, driver seat | | | $150 | $150 | $150 |
Power 4-way lumbar adjuster, passenger seat | | | $150 | $150 | $150 |
Power fore-aft adjuster, driver seat | | | $100 | $100 | $100 |
Power fore-aft adjuster, passenger seat | | | $100 | $100 | $100 |
Power height adjuster, driver seat | | | $100 | $100 | $100 |
Power height adjuster, passenger seat | | | $100 | $100 | $100 |
Power recliner, driver seat | | | $100 | $100 | $100 |
Power recliner, passenger seat | | | $100 | $100 | $100 |
Power seatback bolsters, passenger seat | | | $100 | $100 | $100 |
Power thigh support length adjuster, driver seat | | | $100 | $100 | $100 |
Power thigh support length adjuster, passenger seat | | | $100 | $100 | $100 |
Power tilt adjuster, driver seat | | | $100 | $100 | $100 |
Power tilt adjuster, passenger seat | | | $100 | $100 | $100 |
Synthetic suede pillars and windshield header | | | $200 | $200 | |
Synthetic suede steering wheel | | | | $150 | |
Upholstered instrument panel, leather | | | $1000 | $1000 | $1000 |
Wood trim | | | $300 | $300 | $300 |
Suspension, Wheels, and Tires | |
Alloy wheels | | | $350 | $350 | $350 |
Electronic systems calibration selector | | | $200 | $200 | $200 |
Sport suspension (upgrade) | | | | $0 | |
Ultra-sport suspension (upgrade) | | | | | $0 |
Transmission | |
Steering-wheel-mounted transmission controls | | | $100 | $100 | $100 |
Total Value of Features | $0 | $150 | $19,315 | $20,015 | $20,215 |
Value of Feature Adjustments | $0 | $150 | $19,315 | $20,015 | $20,215 |
Value of Feature Adjustments | 0 | 0 | -17,787 | -18,376 | -18,596 |