| Model Year | 2009 | 2009 | 2009--2016 | 2009--2016 | 2009--2016 |
| Model | Cayman | Cayman | Corvette | Corvette | Corvette |
| Trim | Base | S | Base | Z06 | ZR1 |
| Engines | |||||
| Transmissions | |||||
| Drivetrains | |||||
| Final Drive Ratios | |||||
| Tires | |||||
| Audio Systems | |||||
| Accessories | |||||
| Often must be ordered with power rear side windows, if these are available. | |||||
| Pulls decklid / liftgate tight after latch is engaged. Door can be shut with very little effort. | |||||
| Enter and start the vehicle without removing the key from your pocket. | |||||
| Unlock and lock the car using buttons on the keyfob. | |||||
| Homelink. | |||||
| Brakes, Airbags, and Other Safety | |||||
| Rear disc brakes. | |||||
| Only listed when pricing a single model because insufficient data for all cars. | |||||
| Automatically pulse the brakes in hard stops to prevent wheels from locking up, making it possible to brake and steer at the same time. | |||||
| When a panic stop is sensed, fully applies the brakes. | |||||
| Ceramic composite brake rotors. | |||||
| Mandatory, in all cars. | |||||
| Torso-level front row airbags, usually contained in the seats. Many also protect the head, but not as well as side curtain airbags. | |||||
| Beeps signal distance to object behind vehicle. Parking aid. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| Selectively applies the brakes to prevent excessive understeer or oversteer (spinning). | |||||
| Two types: a warning light when a tire is low on air and a pressure readout for each tire. | |||||
| Can be driven deflated for about 50 miles. Usually harm ride quality. Cars with these often have no spare tire. | |||||
| When a drive wheel slips, it is braked and/or engine power is reduced, restoring traction. | |||||
| Cargo Management | |||||
| Climate Control | |||||
| Maintains set temperature in front row. Requires air conditioning and does not include its value. | |||||
| Temperature can be separately set for left and right sides of the passenger compartment. Requires air conditioning and does not include its value. | |||||
| Filters exterior air before it enters the passenger compartment. No default value because most cars have them, even in cases where they're not in the official list of features. | |||||
| Wipers automatically turn on and adjust their speed based on input from a rain sensor. | |||||
| Time between wipes can be precisely adjusted. | |||||
| Makes rain bead up and roll off the windows. | |||||
| Drivetrain | |||||
| When one rear wheel spins, the differential locks up, sending power to the wheel with better traction. | |||||
| Engine / Motor | |||||
| Valves open in the exhaust at high rpm and/or during brisk acceleration, for power boost and/or richer sound. Valves can also be opened with a switch. | |||||
| The engine is located behind the driver but ahead of the rear axle. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| Changes sound of exhaust and/or appearance of the tips. In some cases might slightly improve performance. | |||||
| Exterior | |||||
| Side skirts and possibly a front air dam and rear apron. | |||||
| Increasingly often these are not actually connected to the exhaust. | |||||
| Spans width of car, providing much of the effect of a convertible. | |||||
| Spoiler mounted beneath the nose of the car, to increase downforce. | |||||
| Scoop on the hood, often not functional and purely decorative. | |||||
| Can be small lip spoiler or a larger raised spoiler. | |||||
| Spans width of car, providing much of the effect of a convertible. | |||||
| Spoiler extends automatically at high speeds. Otherwise flush with body. Can be manually extended and retracted. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| Large spoiler stands well above the trunk or hatch. | |||||
| Gas Guzzler Tax | |||||
| Infotainment | |||||
| Jack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car. | |||||
| Enables hands-free communication by wirelessly connecting a cell phone to a microphone and the vehicle's stereo speakers. | |||||
| Includes CD player. | |||||
| Audio system capable of playing DVD-Audio discs. | |||||
| Integrates an iPod with the vehicle's controls and speakers. Usually included if there is a USB port, but can also rely on a proprietary port. | |||||
| Built-in drive with at least 10 GB of storage for MP3 and other audio files. | |||||
| Audio system capable of playing discs with MP3 files. | |||||
| Screen-based navigation system. | |||||
| Enables navigation even without roads. Requires and does not include the value of a navigation system. | |||||
| XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply. | |||||
| In-vehicle security, communications, and diagnostics system. For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months. | |||||
| Sometimes also includes voice control over climate control system. | |||||
| Instruments, Lights, and Mirrors | |||||
| Driver-side exterior mirror automatically dims when hit by headlights of following vehicle. | |||||
| Passenger-side rearview mirror automatically dims when hit by headlights of following vehicle. | |||||
| Interior rearview mirror automatically dims when hit by headlights of following vehicle. | |||||
| Headlights automatically turn on and off. Includes value of automatic-off headlights. | |||||
| Reports the amount of boost being provided by the supercharger or turbocharger. | |||||
| Stopwatch, lap timer. Usually includes an analog clock. | |||||
| We haven't given this feature a value because it's hard to tell which cars have it. | |||||
| Make it easier for following vehicles to see the vehicle in fog. | |||||
| Light wide area close in front of the vehicle. | |||||
| Projects various instrument readouts onto the windshield. Image actually appears to be floating over the nose of the car. Enables driver to keep eyes on the road. | |||||
| Clears ice and fog from mirrors. | |||||
| Includes value of non-illuminated vanity mirror. | |||||
| Includes value of non-illuminated vanity mirror. | |||||
| LEDs cast a soft glow over and/or highlight parts of the interior. | |||||
| Front row reading lights. | |||||
| Area around the vehicle is illuminated when the vehicle is remotely unlocked. | |||||
| Includes value of manual remote mirrors. | |||||
| Headlights swivel when steering wheel is turned. | |||||
| Reports engine speed. | |||||
| Reports average fuel economy, and perhaps also instantaneous fuel economy, distance to empty, average speed, and other stats. | |||||
| Provide a brighter, whiter light than halogen headlights. | |||||
| Seats and Interior Trim | |||||
| Won't be listed in conjunction with wood or aluminum trim even if they are available together. | |||||
| Seating surfaces are trimmed in leather; other upholstery tends to be leatherette. | |||||
| Leather beyond the seating surfaces, door panels, and IP top. No additional value over leather upholstery because no way to standardize across all models. | |||||
| Lower back support power-adjustable vertically as well as in and out. | |||||
| Power-adjustable lower back support. | |||||
| Power-adjustable lower back support. | |||||
| Power adjustable bolsters on the seatback, to provide lateral support in hard turns. | |||||
| Power adjustable bolsters on the seatback, to provide lateral support in hard turns. | |||||
| Power adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns. | |||||
| Power adjustable bolsters on the seat cushion, to prevent sliding out of the seat in hard turns. | |||||
| Power tilting seat cushion; can take the form of a second height adjustment. | |||||
| Power tilting seat cushion; can take the form of a second height adjustment. | |||||
| Usually also includes synthetic suede on the pillars. | |||||
| Synthetic suede steering wheel rim. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| No additional value over leather upholstery because no way to standardize across all models. | |||||
| Real wood trim on instrument panel, door panels, and/or center console. | |||||
| Real wood comprises part of the steering wheel rim. | |||||
| Suspension, Wheels, and Tires | |||||
| Shocks that electrically adjust their firmness based on sensor readings of the road surface. The driver might also be able to select a \"sport\" setting. | |||||
| Alloy wheels plated with chrome. Some use a more durable, alternative process (PVD, Superchrome). Replace and include value of regular alloy wheels. | |||||
| Varies throttle, steering, ABS, and/or stability control calibration. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| Transmission | |||||
| Electronically controls engine and transmission for perfect launch. | |||||
| Only listed if not standard on all trims. No value because no way to compare across models. | |||||
| Paddles or buttons that can be used to manually shift the transmission. Only listed when optional or not always included with an automatic transmission. | |||||
| Only listed when pricing a single model because insufficient data for all cars. | |||||
What Our Members Are Saying about the Available Features of the 2009 Porsche Cayman
6-speed manual RWD
6-speed manual RWD
What Our Members Are Saying about the Available Features of the 2009--2016 Chevrolet Corvette
6-speed manual RWD