Model Year | 2008 | 2008 | 2018 | 2018 | 2018 | 2018 |
Model | 6-Series | 6-Series | Corvette | Corvette | Corvette | Corvette |
Trim | 650i | M6 | Stingray | Stingray Z51 | Grand Sport | Z06 |
Engines | ||||||
Transmissions | ||||||
Drivetrains | ||||||
Tires | ||||||
Audio Systems | ||||||
Accessories | ||||||
Automatically maintains set distance behind preceding vehicle as well as set speed. Can bring vehicle to a complete stop then accelerate back up to set speed. Replaces regular adaptive cruise control, and includes its value. | ||||||
Pulls door tight after latch is engaged. Door can be shut with very little effort. | ||||||
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. | ||||||
Check on car and remotely control various functions (remote start, locks, lights, and/or HVAC) from a telephone or computer. Can require a monthly fee. | ||||||
Unlock and lock the car using buttons on the keyfob. | ||||||
Start the car using a button on the keyfob. Interior can be a comfortable temperature as soon as you get in. | ||||||
Operate the power windows, sunroof, and/or convertible roof using buttons on the keyfob. | ||||||
Homelink. | ||||||
Brakes, Airbags, and Other Safety | ||||||
Rear disc brakes. | ||||||
If active, automatically move forward when the vehicle is rear-ended. Note: becoming less common. | ||||||
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. | ||||||
Alerts driver when the vehicle seems to be wandering out of the lane. | ||||||
Creates infrared-based image of the road ahead. | ||||||
Beeps signal distance to object in front of vehicle. Parking aid. | ||||||
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. | ||||||
Continuously modulates throttle to maximize available traction. Driver simply floors accelerator. | ||||||
Rearview camera connected to display screen on the instrument panel. Often requires navigation system. | ||||||
Airbags contained just above the window level. Except in cars without a rear seat usually cover first and second row. | ||||||
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. | ||||||
Periodically uploads and emails a vehicle diagnostic check. | ||||||
Wide angle camera allows the driver to see well to each side from the very front of the car when pulling out of parking spaces or side streets. | ||||||
Wide angle camera allows the driver to see well to each side from the very rear of the car when pulling out of parking spaces or side streets. A second selectable view. | ||||||
Cargo Management | ||||||
Usually concealed behind a stowed armrest. Enables long items like skis to be carried without folding the rear seat. | ||||||
Sack attached to rear seat pass-through. Keeps dirty skis from messing up the interior. | ||||||
Climate Control | ||||||
Automatically recirculates interior air when pollution is detected in outside air. | ||||||
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. | ||||||
Ducts under front seats direct heated air to the second row. | ||||||
Provides heat for an extended period of time after the engine has been cut off. | ||||||
Time between wipes can be precisely adjusted. | ||||||
Drivetrain | ||||||
Actively splits power between the left and right rear wheels, which generally yields sportier handling. | ||||||
No default value because incomplete coverage acroass all models in database. | ||||||
When one rear wheel spins, the differential locks up, sending power to the wheel with better traction. | ||||||
Engine / Motor | ||||||
Prevents oil starvation in extremely hard cornering. | ||||||
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. | ||||||
Exterior | ||||||
Side skirts and possibly a front air dam and rear apron. Not body color. | ||||||
Increasingly often these are not actually connected to the exhaust. | ||||||
Spans width of car, providing much of the effect of a convertible. | ||||||
A stripe or two running diagonally above the wheel on one or both front fenders. | ||||||
Single hood stripe | ||||||
Only listed if a second, smaller spoiler is also standard or optional. No additional value because no way to compare across models. | ||||||
Can manually adjust the spoiler for additional downforce. | ||||||
No value since replaces painted brake calipers. | ||||||
Can be small lip spoiler or a larger raised spoiler. | ||||||
Spans width of car, providing much of the effect of a convertible. | ||||||
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. | ||||||
Extensions to the wheel opening, both decorative and protective. | ||||||
Gas Guzzler Tax | ||||||
Infotainment | ||||||
Higher speed Internet connection. Monthly fee after trial period. | ||||||
Requires compatible Android phone. | ||||||
Touchscreen and/or voice control over apps that can include online search, Facebook, Twitter, Pandora, OpenTable, and MovieTickets.com. Requires connected compatible phone. Fees may apply after first three years. | ||||||
Requires compatible Apple iPhone. | ||||||
Jack for an iPod or similar device. No value because of incomplete data. Will soon be standard on nearly every car. | ||||||
Uses Bluetooth rather than a cable to integrate audio device. Requires compatible audio device and/or phone. | ||||||
Enables hands-free communication by wirelessly connecting a cell phone to a microphone and the vehicle's stereo speakers. | ||||||
Includes CD player. | ||||||
High-definition radio, which broadcasts a digital signal. Free, no subscription fees. | ||||||
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. | ||||||
Audio system capable of playing discs with MP3 files. | ||||||
Screen-based navigation system. | ||||||
XM or Sirius. Includes a subscription for three to six months, after which monthly fees apply. | ||||||
XM or Sirius with one-year subscription. | ||||||
SD, CF, PCMCIA, or other digital media reader. | ||||||
Converts text messages to speech. | ||||||
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. | ||||||
In-vehicle security, communications, and diagnostics system plus turn-by-turn navigation (no map display). For 2011 and newer cars often includes a remote app. Monthly fee after the first 1-12 months. | ||||||
Information about traffic conditions. Monthly fee after first 3-12 months. | ||||||
Often permits an iPod or phone to be integrated into the vehicle's entertainment system and controls. | ||||||
Sometimes also includes voice control over climate control system. | ||||||
Phone or other device operated via the vehicle's voice command system. Requires a compatible device--all aren't supported. | ||||||
Sometimes also includes voice control over climate control system. | ||||||
Includes frequencies for weather channels. Only listed when pricing a single model because incomplete data for all model. | ||||||
Provides Wi-Fi within the car. Includes internal modem, usually requires car-specific broadband service with monthly fee. | ||||||
Instruments, Lights, and Mirrors | ||||||
Driver-side exterior mirror automatically dims when hit by headlights of following vehicle. | ||||||
High beams automatically turned on and off. | ||||||
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. | ||||||
We haven't given this feature a value because it's hard to tell which cars have it. | ||||||
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. | ||||||
The information displayed by the instruments can be customized. Color display(s) of at least 20 square inches. | ||||||
Front row reading lights. | ||||||
One or both exterior mirrors tilt down when the transmission is in reverse, to provide view of the curb. | ||||||
Records acceleration, braking, and cornering data. | ||||||
Measures and displays lateral acceleration. Some also measure and display 0-60, quarter mile, etc. | ||||||
Area around the vehicle is illuminated when the vehicle is remotely unlocked. | ||||||
Includes value of manual remote mirrors. | ||||||
Mirrors fold and unfold with the touch of a button inside the vehicle. Good for narrow roads and parking lots. | ||||||
Displays the current speed limit. Included with nav on an increasing number of cars. No feature value here because incomplete info on availability. | ||||||
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. | ||||||
Built in camera captures view forward while driving. | ||||||
Provide a brighter, whiter light than halogen headlights. | ||||||
Seats and Interior Trim | ||||||
Real aluminum trim on instrument panel, door panels, and/or center console. Deleted by wood trim even if they appear together. | ||||||
Won't be listed in conjunction with wood or aluminum trim even if they are available together. | ||||||
Usually red or yellow. | ||||||
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. | ||||||
Manually adjustable cushion length; provides better support for long legs. | ||||||
Manually adjustable cushion length; provides better support for long legs. | ||||||
Lower back support power-adjustable vertically as well as in and out. | ||||||
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 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. | ||||||
Seating surfaces are part leather, part synthetic suede. | ||||||
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. | ||||||
Suspension, Wheels, and Tires | ||||||
Motors joining the left and right halves of the stabilizer bars twist them to further reduce roll in turns and disengages them to improve ride quality when not turning. | ||||||
The steering ratio is automatically varied based on vehicle speed and other factors. | ||||||
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. | ||||||
Track tires provide more grip but have a very short tread life. | ||||||
Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
Transmission | ||||||
Optional gearing with ratios that are closer together. Improves performance but reduces fuel economy. | ||||||
Engine automatically matches revs when manual transmission is downshifted. | ||||||
Electronically controls engine and transmission for perfect launch. | ||||||
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. |
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