2020 Mercedes GLE vs. 2019 Rolls-Royce Cullinan

Detailed Review, Specifications & Comparison

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Safety

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

Both the GLE and the Cullinan have standard driver and passenger frontal airbags, four-wheel antilock brakes, traction control, electronic stability systems to prevent skidding, crash mitigating brakes, daytime running lights, blind spot warning systems, rear cross-path warning, driver alert monitors, available lane departure warning systems and around view monitors.

Warranty

The GLE’s corrosion warranty is 1 year longer than the Cullinan’s (5 vs. 4 years).

There are almost 11 times as many Mercedes dealers as there are Rolls-Royce dealers, which makes it much easier should you ever need service under the GLE’s warranty.

Fuel Economy and Range

On the EPA test cycle the GLE gets better fuel mileage than the Cullinan:

MPG

GLE

RWD

350 2.0 turbo 4-cyl.

20 city/27 hwy

AWD

350 2.0 turbo 4-cyl.

19 city/26 hwy

450 3.0 turbo 6-cyl. Hybrid

19 city/24 hwy

Cullinan

AWD

6.8 turbo V12

12 city/20 hwy

Regenerative brakes improve the GLE 450’s fuel efficiency by converting inertia back into energy instead of wasting it. The Cullinan doesn’t offer a regenerative braking system.

In heavy traffic or at stoplights the GLE’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 Cullinan doesn’t offer an automatic engine start/stop system.

Transmission

For more complete vehicle control the GLE has a manually controlled automatic, with the available convenience of an automatic transmission and the complete gear control of a manual transmission without the inconvenience of a clutch. A manually controlled automatic allows the driver to eliminate unwanted shifts and maximize engine braking by down shifting while cornering. The Cullinan doesn’t offer a transmission that allows complete gear control.

A nine-speed automatic is standard on the Mercedes GLE, for better acceleration and lower engine speed on the highway. Only an eight-speed automatic is available for the Cullinan.

Suspension and Handling

The GLE 450 offers an available adjustable active suspension system, which counteracts cornering forces actively, limiting body roll and improving handling and stability. Rolls-Royce doesn’t offer an active suspension on the Cullinan.

The GLE’s drift compensation steering can automatically compensate for road conditions which would cause the vehicle to drift from side to side, helping the driver to keep the vehicle straight more easily. The Cullinan doesn’t offer drift compensation steering.

Chassis

The Mercedes GLE may be more efficient, handle and accelerate better because it weighs about 1100 to 1350 pounds less than the Rolls-Royce Cullinan.

The GLE is 1 foot, 4 inches shorter than the Cullinan, making the GLE easier to handle, maneuver and park in tight spaces.

For excellent aerodynamics, the GLE has standard flush composite headlights. The Cullinan has recessed headlights that spoil its aerodynamic shape and create extra drag.

Passenger Space

The GLE offers optional seating for 7 passengers; the Cullinan can only carry up to 5.

Cargo Capacity

The GLE has a larger cargo volume with its rear seat folded than the Cullinan with its rear seat folded (75 vs. 68.2 cubic feet).

The GLE’s standard rear seats fold to accommodate long and bulky cargo. The Cullinan w/Executive Rear Seats doesn’t offer folding rear seats.

Ergonomics

The GLE 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 Cullinan doesn’t offer a remote starting system.

To keep a safe, consistent following distance, the GLE 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 Cullinan doesn’t offer an adaptive cruise control.

The GLE’s Active Parking Assist can parallel park or back into a parking spot by itself, starting, stopping and changing direction automatically. The Cullinan doesn’t offer an automated parking system.

Model Availability

The GLE is available in both rear-wheel drive and four-wheel drive configurations. The Cullinan doesn’t offer a two-wheel drive configuration.

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

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