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Model Year | 2015 | 2015 | 2015 | 2015- | 2015- | 2015- | 2015- |
Model | Z4 | Z4 | Z4 | SL | SL | SL | SL |
Trim | sDrive28i | sDrive35i | sDrive35is | SL400 | SL550 | SL63 AMG | SL65 AMG |
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. | |||||||
Release latch by waving a foot beneath the bumper or a hand near a sensor. | |||||||
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. | |||||||
Decklid can be opened and closed using buttons inside the vehicle and on the keyfob. | |||||||
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. | |||||||
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. | |||||||
Homelink. | |||||||
Wind blocker electrically raised and lowered. | |||||||
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. | |||||||
In some convertibles. Automatically raise when a rollover is sensed. | |||||||
If collision detection system senses imminent collision, applies moderate braking. | |||||||
Automatically brakes car to avoid low-speed collisions. | |||||||
Selectively applies the brakes to guide vehicle back into the original lane when detects that a lane change will cause a collision with a vehicle in the blind spot. | |||||||
Mirror-mounted lights indicate when another vehicle is in a blind spot. | |||||||
When a panic stop is sensed, fully applies the brakes. | |||||||
Prepares seat belts for use when heavy braking or the yaw sensor suggests an imminent collision. Might also prep the brakes or roll up the windows. | |||||||
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. | |||||||
Brakes lightly applied to help prevent the vehicle from inadvertently traveling out of its intended lane. | |||||||
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. | |||||||
Prepares brakes (and sometimes also seat belts) for use when radar detects an imminent collision. Might also move seats and close windows. Early Lexus system used laser. Since automatic braking became common it has been unclear which models have this feat | |||||||
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. | |||||||
Uses the brakes to channel torque to the outside wheels and counteract understeer. Similar to stability control, but proactive, and acting to improve cornering performance rather than prevent loss of control. | |||||||
When a drive wheel slips, it is braked and/or engine power is reduced, restoring traction. | |||||||
Cargo Management | |||||||
Usually concealed behind a stowed armrest. Enables long items like skis to be carried without folding the rear seat. | |||||||
Requires roof rails. Together constitute a roof rack. | |||||||
Sack attached to rear seat pass-through. Keeps dirty skis from messing up the interior. | |||||||
Climate Control | |||||||
System automatically varies amount of washer fluid based on speed, temperature, whether the top is down, or other criteria. | |||||||
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. | |||||||
Provides heat for an extended period of time after the engine has been cut off. | |||||||
Heating elements defrost area where front wipers rest. | |||||||
Drivetrain | |||||||
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. | |||||||
Plugs into electrical outlet to warm up the engine. Facilitates starting in extreme cold. | |||||||
Permits a higher top speed before fuel cutoff kicks in. | |||||||
Smart alternator recharges battery only while braking, to improve fuel economy. | |||||||
Exterior | |||||||
Increasingly often these are not actually connected to the exhaust. | |||||||
One or more glass panels in the roof that cannot be opened or removed. | |||||||
Flaps mounted behind two to four wheels, to protect the body from mud and rocks. | |||||||
Can be small lip spoiler or a larger raised spoiler. | |||||||
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. | |||||||
Gas Guzzler Tax | |||||||
Infotainment | |||||||
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. | |||||||
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. | |||||||
CD changer in the glove compartment, trunk, or cargo area, beyond easy reach. Can be in addition to an in-dash CD player. | |||||||
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. | |||||||
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. | |||||||
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. | |||||||
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. | |||||||
The driver and front passenger are able to view different images on the same screen. The passenger can view a movie while the car is moving while the driver uses the same screen for other functions, including nav. | |||||||
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. | |||||||
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. | |||||||
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. | |||||||
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. | |||||||
Lights illuminate area just ahead and to the side of the vehicle when the turn signals are used or the steering wheel is turned. | |||||||
Make it easier for following vehicles to see the vehicle in fog. | |||||||
Light wide area close in front of the vehicle. | |||||||
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. | |||||||
One or both exterior mirrors tilt down when the transmission is in reverse, to provide view of the curb. | |||||||
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. | |||||||
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 | |||||||
Real aluminum trim on instrument panel, door panels, and/or center console. Deleted by wood trim even if they appear together. | |||||||
The outside seatback bolster automatically firms up in hard turns. | |||||||
The outside seatback bolster automatically firms up in hard turns. | |||||||
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. | |||||||
Seating surfaces are trimmed in leather; other upholstery tends to be leatherette. | |||||||
Manually adjustable cushion length; provides better support for long legs. | |||||||
Manually adjustable cushion length; provides better support for long legs. | |||||||
Power lumbar or vibration used to massage lower back. | |||||||
Power lumbar or vibration used to massage lower back. | |||||||
Neck-level heat vents. | |||||||
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 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 cushion length; provides better support for long legs. | |||||||
Power-adjustable cushion length; provides better support for long legs. | |||||||
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. | |||||||
A.k.a vinyl, leatherette, MB-Tex, NuLuxe. | |||||||
Usually also includes synthetic suede on the pillars. | |||||||
Synthetic suede steering wheel rim. | |||||||
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 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. | |||||||
Hydraulic semi-active struts severely reduce body roll in turns and can be used to adjust the ride height. | |||||||
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. | |||||||
Steering ratio gets quicker the farther the wheel is turned. | |||||||
Transmission | |||||||
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. |
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