Model Year | 2014 | 2014 | 2018 | 2018 | 2018 | 2018 |
Model | 4-Series | 4-Series | Corvette | Corvette | Corvette | Corvette |
Trim | 428i | 435i | 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. | ||||||
Often must be ordered with power rear side windows, if these are available. | ||||||
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. | ||||||
Automatically steers the vehicle into a parking space. Driver operates the transmission, and sometimes also the brake and accelerator. | ||||||
Greatly reduces the amount of sunlight entering the rear window. Includes the value of manual rear shade. | ||||||
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. | ||||||
Small external cameras provide a top-down view all around the vehicle, to reduce blind spots while parking. | ||||||
Automatically brakes car to avoid low-speed collisions. | ||||||
Arm holding seat belt extends forward when the door is closed to make seat belt easier to reach. | ||||||
Mirror-mounted lights indicate when another vehicle is in a blind spot. | ||||||
When a panic stop is sensed, fully applies the brakes. | ||||||
Ceramic composite brake rotors. | ||||||
Warns when driver is drowsy and needs to pull over. | ||||||
Alerts driver when approaching the preceding car too quickly. | ||||||
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. | ||||||
Selectively applies the brakes to maintain a slow, steady descent on off-road downhill slopes. | ||||||
Applies the brakes to hold the vehicle in place on an incline. Incomplete data, so only displayed when pricing a single vehicle. | ||||||
Alerts driver when the vehicle seems to be wandering out of the lane. | ||||||
Beeps signal distance to object in front of vehicle. Parking aid. | ||||||
Beeps signal distance to object behind vehicle. Parking aid. | ||||||
Warns driver of pedestrians in path of car. | ||||||
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. | ||||||
Second-row center console that does not rise above the level of the seat cushions. | ||||||
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. | ||||||
Fan speed and/or temperature can be manually set for vents in the center console, B-pillars, and/or ceiling. Includes value of rear vents. | ||||||
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 | ||||||
Automatically cuts off the engine when the vehicle is stopped and restarts it when the driver lifts off the brake pedal. Not listed for hybrids, where it is generally part of the powertrain system. | ||||||
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. | ||||||
Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
Permits a higher top speed before fuel cutoff kicks in. | ||||||
Smart alternator recharges battery only while braking, to improve fuel economy. | ||||||
Exterior | ||||||
Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
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. | ||||||
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. | ||||||
Typically can help with hotel and restaurant reservations. | ||||||
Audio system capable of playing DVDs on a front-row screen. Inoperative when the vehicle is moving. No value because of incomplete data. | ||||||
Touchpad that interprets handwritten inputs. | ||||||
High-definition radio, which broadcasts a digital signal. Free, no subscription fees. | ||||||
Connects car to the Internet to update systems, download information, and/or browse. Includes internal modem, usually requires car-specific broadband service with monthly fee. | ||||||
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. | ||||||
Access S Voice features of a Samsung Galaxy phone (III and up) using the car's voice controls. | ||||||
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. | ||||||
Activate Siri using button on steering wheel. Make calls, hear and dictate texts and email, manage calendar, turn-by-turn nav. Requires iPhone 4S or higher. | ||||||
In BMWs includes baseplate in center console that provides a connection to an external antenna, but that requires an additional adapter. | ||||||
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. | ||||||
Dictate text for messages and/or emails. Annual fee. | ||||||
Information about traffic plus weather, gas prices, sports news, and/or movie times. 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. | ||||||
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. | ||||||
LED headlights last longer and use less energy than other types. | ||||||
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. | ||||||
Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
Usually red or yellow. | ||||||
Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
Seat folds to enlarge cargo area. Unless the seat is also removable, it usually folds flat or nearly flat. | ||||||
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. | ||||||
Only listed if not standard on all trims. No value because no way to compare across models. | ||||||
A.k.a vinyl, leatherette, MB-Tex, NuLuxe. | ||||||
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 | ||||||
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. | ||||||
Steering ratio gets quicker the farther the wheel is turned. | ||||||
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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