2019 Mercedes AMG GT 4-Door vs. 2019 Aston Martin Rapide

Detailed Review, Specifications & Comparison

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2019 Mercedes AMG GT 4-Door

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2019 Aston Martin Rapide

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Safety

The AMG GT 4-Door’s pre-crash front seatbelts will tighten automatically in the event the vehicle detects an impending crash, improving protection against injury significantly. The Rapide doesn’t offer pre-crash pretensioners.

The AMG GT 4-Door has a standard Active Brake Assist, which uses forward mounted sensors to warn the driver of a possible collision ahead. If the driver doesn’t react and the system determines a collision is imminent, it automatically applies the brakes at full-force in order to reduce the force of the crash or avoid it altogether. The Rapide doesn't offer collision warning or crash mitigation brakes.

Over 200 people are killed each year when backed over by motor vehicles. The AMG GT 4-Door has a standard Rear Cross Traffic Brake that use rear sensors to monitor and automatically apply the brakes to prevent a rear collision. The Rapide doesn’t offer backup collision prevention brakes.

The AMG GT 4-Door has all-wheel drive to maximize traction under poor conditions, especially in ice and snow. The Rapide doesn’t offer all-wheel drive.

The Mercedes AMG GT 4-Door has Daytime Running Lights to help keep it more visible under all conditions. Canadian government studies show that driving with lights during the day reduces accidents by 11% by making vehicles more conspicuous. The Rapide doesn’t offer Daytime Running Lights.

The AMG GT 4-Door’s optional lane departure warning system alerts a temporarily inattentive driver when the vehicle begins to leave its lane and gently nudges the vehicle back towards its lane. The Rapide doesn’t offer a lane departure warning system.

The AMG GT 4-Door offers an optional Surround View System to allow the driver to see objects all around the vehicle on a screen. The Rapide only offers a rear monitor and front and rear parking sensors that beep or flash a light. That doesn’t help with obstacles to the sides.

The AMG GT 4-Door’s blind spot warning system uses digital cameras monitored by computer to alert the driver to moving objects in the vehicle’s blind spots where the side view mirrors don’t reveal them. The Rapide doesn’t offer a system to reveal objects in the driver’s blind spots.

To help make backing safer, the AMG GT 4-Door’s cross-path warning system uses wide-angle radar in the rear bumper to alert the driver to vehicles approaching from the side, helping the driver avoid collisions. The Rapide doesn’t offer a cross-path warning system.

The AMG GT 4-Door’s driver alert monitor detects an inattentive driver then sounds a warning and suggests a break. According to the NHTSA, drivers who fall asleep cause about 100,000 crashes and 1500 deaths a year. The Rapide doesn’t offer a driver alert monitor.

The AMG GT 4-Door has standard Mercedes-Benz Emergency Call, which uses a global positioning satellite (GPS) receiver and a cellular system to remotely unlock your doors if you lock your keys in, help track down your vehicle if it’s stolen or send emergency personnel to the scene if any airbags deploy. The Rapide doesn’t offer a GPS response system, only a navigation computer with no live response for emergencies, so if you’re involved in an accident and you’re incapacitated help may not come as quickly.

Both the AMG GT 4-Door and the Rapide have standard driver and passenger frontal airbags, front side-impact airbags, side-impact head airbags, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding and rearview cameras.

Warranty

The AMG GT 4-Door comes with a full 4-year/50,000-mile basic warranty, which covers the entire car and includes 24-hour roadside assistance. The Rapide’s 3-year basic warranty expires 1 year sooner.

There are almost 11 times as many Mercedes dealers as there are Aston Martin dealers, which makes it much easier should you ever need service under the AMG GT 4-Door’s warranty.

Engine

The AMG GT 63’s standard 4.0 turbo V8 produces 125 lbs.-ft. more torque (590 vs. 465) than the Rapide’s 5.9 DOHC V12. The AMG GT 63 S’ standard 4.0 turbo V8 produces 50 more horsepower (630 vs. 580) and 199 lbs.-ft. more torque (664 vs. 465) than the Rapide’s 5.9 DOHC V12.

Fuel Economy and Range

On the EPA test cycle the AMG GT 53 gets better fuel mileage than the Rapide (19 city/24 hwy vs. 14 city/21 hwy).

An engine control system that can shut down half of the engine’s cylinders helps improve the AMG GT 4-Door 63/63 S’ fuel efficiency. The Rapide doesn’t offer a system that can shut down part of the engine.

Regenerative brakes improve the AMG GT 4-Door 53’s fuel efficiency by converting inertia back into energy instead of wasting it. The Rapide doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the AMG GT 4-Door’s engine automatically turns off when the vehicle is stopped, saving fuel and reducing pollution. The engine is automatically restarted when the driver gets ready to move again. (Start/Stop isn’t accounted in present EPA fuel mileage tests.) The Rapide doesn’t offer an automatic engine start/stop system.

Environmental Friendliness

In its Green Vehicle Guide, the U.S. Environmental Protection Agency (EPA) rates the Mercedes AMG GT 4-Door higher (5 to 6 out of 10) than the Aston Martin Rapide (3). This means the AMG GT 4-Door produces up to 23.4 pounds less smog-producing pollutants than the Rapide every 15,000 miles.

Transmission

A nine-speed automatic is available on the Mercedes AMG GT 4-Door, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Rapide.

The AMG GT 4-Door’s launch control uses engine electronics to hold engine RPM’s precisely in order to provide the most stable and rapid acceleration possible, using all of the available traction. The Rapide doesn’t offer launch control.

Brakes and Stopping

The AMG GT 4-Door offers optional heat-treated ceramic brake rotors, which last ten to twenty times as long as conventional cast iron rotors, don’t rust, don’t fade during repeated high speed braking, and their lighter weight contribute to better braking, handling and acceleration. The Rapide doesn’t offer ceramic brake rotors.

Tires and Wheels

For better traction, the AMG GT 4-Door has larger front standard tires than the Rapide (255/45R19 vs. 245/40R20). The AMG GT 63 S’ front tires are larger than the largest tires available on the Rapide (F:265/40R20 & R:295/35R20 vs. F:245/40R20 & R:295/35R20).

For better ride, handling and brake cooling the AMG GT 4-Door offers optional 21-inch wheels. The Rapide’s largest wheels are only 20-inches.

Suspension and Handling

The AMG GT 53 has a standard automatic load leveling suspension to keep ride height level with a heavy load or when towing. The Rapide doesn’t offer a load leveling suspension.

The AMG GT 4-Door’s drift compensation steering can automatically compensate for road conditions that would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Rapide doesn’t offer drift compensation steering.

For better handling and stability, the average track (width between the wheels) on the AMG GT 4-Door is 3.2 inches wider in the front and 1.8 inches wider in the rear than the track on the Rapide.

Passenger Space

Because it has more passenger and cargo room, the EPA rates the AMG GT 4-Door a Compact car, while the Rapide is rated a Subcompact.

The AMG GT 4-Door has 13 cubic feet more passenger volume than the Rapide (96 vs. 83).

Cargo Capacity

A standard locking glovebox keeps your small valuables safer in the AMG GT 4-Door. The Rapide doesn’t offer locking storage for small valuables.

To make loading and unloading groceries and cargo easier when your hands are full, the AMG GT 4-Door’s power liftgate can be opened or closed just by kicking your foot under the back bumper, leaving your hands completely free. The Rapide doesn’t offer a power or hands-free opening liftgate.

Ergonomics

The AMG GT 4-Door has a standard remote vehicle starting system, so the vehicle can be started from inside the driver's house. This allows the driver to comfortably warm up the engine before going out to the vehicle. The climate system will also automatically heat or cool the interior. The Rapide doesn’t offer a remote starting system.

The AMG GT 4-Door’s standard easy entry system raises the steering wheel, making it easier for the driver to get in and out. The Rapide doesn’t offer an easy entry system.

The AMG GT 4-Door offers an optional heads-up display that projects speed and other key instrumentation readouts in front of the driver’s line of sight, allowing drivers to view information without diverting their eyes from the road. The Rapide doesn’t offer a heads-up display.

Keyless-Go standard on the AMG GT 4-Door allows you to unlock the doors, trunk and start the engine all without removing a key from pocket or purse. This eliminates searching for keys before loading groceries, getting in the vehicle in bad weather or making a hurried start to your trip. The Aston Martin Rapide doesn’t offer an advanced key system.

Heated windshield washer nozzles are standard on the AMG GT 4-Door to prevent washer fluid and nozzles from freezing and help continue to keep the windshield clear in sub-freezing temperatures. The Rapide doesn’t offer heated windshield washer nozzles.

While driving with high beams on, sensitive light sensors standard on the AMG GT 4-Door detect other vehicles which could be blinded and automatically switch to low beams. The Rapide doesn’t offer automatic dimming high beams.

To help drivers see further while navigating curves, the AMG GT 4-Door has standard adaptive headlights to illuminate around corners automatically by reading vehicle speed and steering wheel angle. The Rapide doesn’t offer cornering lights.

A manual rear sunshade is optional in the AMG GT 4-Door to help block heat and glare for the rear passengers. The Rapide doesn’t offer a rear sunshade.

The AMG GT 4-Door has standard automatic dimming rear and side view mirrors which automatically darken quickly when headlights shine on them, keeping following vehicles from blinding or distracting the driver. The Rapide offers an automatic rear view mirror, but its side mirrors don’t dim.

On extremely cold winter days, the AMG GT 4-Door’s optional heated steering wheel provides comfort, allowing the driver to steer safely and comfortably before the car heater warms up. The Rapide doesn’t offer a heated steering wheel.

The AMG GT 4-Door’s standard dual zone air conditioning allows the driver and front passenger to choose two completely different temperatures so people with different temperature preferences won’t have to compromise. This makes both the driver and front passenger as comfortable as possible. The Rapide doesn’t offer dual zone air conditioning.

To keep a safe, consistent following distance, the AMG GT 4-Door offers an optional Distronic, which alters the speed of the vehicle without driver intervention. This allows the driver to use cruise control more safely without constantly having to disengage it when approaching slower traffic. The Rapide doesn’t offer an adaptive cruise control.

With standard voice command, the AMG GT 4-Door offers the driver hands free control of the radio, climate controls and the navigation computer by simply speaking. The Rapide doesn’t offer a voice control system.

To quickly and conveniently keep personal devices charged without cables tangling and wearing out, the Mercedes AMG GT 4-Door has a standard wireless phone charging system (Qi) in the center console and for the rear passengers. The Rapide doesn’t offer wireless personal charging.

The AMG GT 4-Door offers an optional 115-volt a/c outlet on the center console, allowing you to recharge a laptop or run small household appliances without special adapters that can break or get misplaced. The Rapide doesn’t offer a house-current electrical outlet.

The AMG GT 4-Door’s Active Parking Assist can parallel park by itself, with the driver only controlling speed with the brake pedal. The Rapide doesn’t offer an automated parking system.

© 1991-2018 Advanta-STAR Automotive Research. All rights reserved.

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