Your car comparison

Here's how the 2021 Audi RS 7, 2020 BMW M8 Gran Coupe, 2020 Mercedes-Benz AMG GT 63 and the 2021 Porsche Panamera measure up.
4.0 TFSI quattro
$114,000
Starting MSRP
$130,000
Starting MSRP
AMG GT 63 4-Door Coupe
$140,250
Starting MSRP
$105,000
Starting MSRP

Overview

Door
4-door 4-door 4-door 4-door
Seats
5 5 5 5
Engine

591.0-hp, 4.0-liter, 8 Cylinder Engine(Gasoline/Mild Electric Hybrid)

600.0-hp, 4.4-liter, 8 Cylinder Engine(Gasoline Fuel)

577.0-hp, 4.0-liter, 8 Cylinder Engine(Gasoline Fuel)

443.0-hp, 2.9-liter, V6 Cylinder Engine(Gasoline Fuel)

Combined MPG
17 17 17 20
Size
197.2" length, 56.1" height 191.2" length, 53" height 179" length, 50.7" height 198.8" length, 56" height
Drivetrain
All Wheel Drive All Wheel Drive All Wheel Drive All Wheel Drive

Exterior color

Exterior color

Interior color

Interior color

Slate Blue

Black

Ebony

Silverstone II

Black

Taruma Brown

Ivory White / Night Blue

Sakhir Orange

Midrand Beige

Ivory White / Tartufo

Grey / Dark Grey

Black / Porcelain

Black

Cashmere

Designo Porcelain

Classic Red

Ash

Espresso / Black

Sand

Onyx / Blue

Vanilla / Blue

Platinum

Onyx

Beige

Savanna Beige

Lago Green

Truffle Brown

Parchment

Charcoal Black

Medium Light Stone

Slate Gray / Taupe

Anthracite

Transmissions

Transmissions

8-Speed A/T

A/T

Transmission w/Dual Shift Mode

8-Speed A/T

A/T

Transmission w/Dual Shift Mode

9-Speed A/T

A/T

Transmission w/Dual Shift Mode

8-Speed A/T

A/T

Transmission w/Dual Shift Mode

Vehicle

EPA Classification
Midsize Cars Midsize Cars Compact Cars Large Cars

Wheels

Rear Wheel Size
21 X 10.5 in 20 X 10.5 in 19 X 11 in 19 X 10.5 in
Rear Wheel Material
Aluminum Forged Aluminum Aluminum Aluminum
Spare Wheel Material
N/A N/A N/A N/A
Spare Wheel Size
N/A N/A N/A N/A
Front Wheel Material
Aluminum Forged Aluminum Aluminum Aluminum
Front Wheel Size
21 X 10.5 in 20 X 9.5 in 19 X 9.5 in 19 X 9 in

Electrical

Maximum Alternator Capacity (amps)
N/A N/A N/A N/A
Cold Cranking Amps @ 0° F (Primary)
N/A N/A N/A N/A

Engine

SAE Net Torque @ RPM
590 @ 2050 553 @ 1800 590 @ 2350 405 @ 1900
Engine Type
Twin Turbo Gas/Electric V-8 Twin Turbo Premium Unleaded V-8 Twin Turbo Premium Unleaded V-8 Twin Turbo Premium Unleaded V-6
SAE Net Horsepower @ RPM
591 @ 6000 600 @ 6000 577 @ 5500 443 @ 5750
Displacement
4.0 L/244 4.4 L/268 4.0 L/243 2.9 L/177

Mileage

EPA MPG Equivalent - City
N/A N/A N/A N/A
EPA MPG Equivalent - Hwy
N/A N/A N/A N/A
Cruising Range - Hwy
424.60 mi 422.10 mi 348.00 mi 568.80 mi
EPA MPG Equivalent - Combined
N/A N/A N/A N/A
Cruising Range - City
289.50 mi 301.50 mi 261.00 mi 426.60 mi
Fuel Economy Est-Combined
17 MPG 17 MPG 17 MPG 20 MPG
EPA Fuel Economy Est - City
15 MPG 15 MPG 15 MPG 18 MPG
EPA Fuel Economy Est - Hwy
22 MPG 21 MPG 20 MPG 24 MPG

Suspension

Suspension Type - Front (Cont.)
Multi-Link Double Wishbone Multi-Link Double Wishbone
Suspension Type - Rear (Cont.)
Multi-Link Multi-Link Multi-Link Multi-Link
Suspension Type - Rear
Multi-Link Multi-Link Multi-Link Multi-Link
Suspension Type - Front
Multi-Link Double Wishbone Multi-Link Double Wishbone

Brakes

Drum - Rear (Yes or )
N/A N/A N/A N/A
Disc - Front (Yes or )
Yes Yes Yes Yes
Disc - Rear (Yes or )
Yes Yes Yes Yes
Front Brake Rotor Diam x Thickness
16.5 in 15.6 in 15.4 in 14.2 in
Brake Type
4-Wheel Disc 4-Wheel Disc 4-Wheel Disc 4-Wheel Disc
Brake ABS System
4-Wheel 4-Wheel 4-Wheel 4-Wheel
Rear Brake Rotor Diam x Thickness
14.6 in 15 in 14.2 in 13 in
Brake ABS System (Second Line)
N/A N/A N/A N/A

Fuel Tank

Aux Fuel Tank Capacity, Approx
N/A N/A N/A N/A
Fuel Tank Capacity, Approx
19.3 gal 20.1 gal 17.4 gal 23.7 gal

Steering

Turning Diameter - Wall to Wall
N/A N/A N/A N/A
Lock to Lock Turns (Steering)
N/A N/A N/A N/A
Steering Ratio (:1), Overall
N/A N/A N/A N/A
Steering Type
Rack-Pinion Rack-Pinion Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb
40 ft 42.4 ft N/A 39 ft

Tires

Front Tire Size
P275/35YR21 P275/35YR20 P255/45ZR19 P265/45YR19
Rear Tire Size
P275/35YR21 P285/35YR20 P285/40ZR19 P295/40YR19
Spare Tire Size
N/A N/A N/A N/A

Trailering

Dead Weight Hitch - Max Tongue Wt.
N/A N/A N/A N/A
Wt Distributing Hitch - Max Tongue Wt.
N/A N/A N/A N/A
Dead Weight Hitch - Max Trailer Wt.
N/A N/A N/A N/A
Wt Distributing Hitch - Max Trailer Wt.
N/A N/A N/A N/A

Weight Information

Base Curb Weight
4938 lbs 4480 lbs 4447 lbs 4336 lbs

Dimensions

Min Ground Clearance
N/A 5.1 in 4.6 in N/A
Front Leg Room
41.3 in 42.1 in N/A N/A
Wheelbase
115.3 in 119.2 in 116.2 in 116.1 in
Track Width, Rear
65 in 65.4 in 65.6 in 65 in
Passenger Capacity
5 5 4 4
Front Hip Room
N/A N/A 58.9 in N/A
Cargo Volume with Rear Seat Up
24.6 ft³ - N/A 17.6 ft³
Second Hip Room
N/A N/A 58.6 in N/A
Front Shoulder Room
57.2 in 57.2 in 57.8 in N/A
Cargo Volume with Rear Seat Down
N/A - N/A 47.3 ft³
Trunk Volume
N/A 11 ft³ N/A N/A
Passenger Volume
N/A N/A N/A N/A
Width, Max w/o mirrors
76.8 in 76.5 in 76.9 in 78.2 in
Track Width, Front
65.7 in 64 in 65.9 in 65.8 in
Second Head Room
37.1 in 37.1 in 38.2 in N/A
Front Head Room
37 in 39.1 in 40.8 in N/A
Liftover Height
N/A N/A N/A N/A
Height, Overall
56.1 in 55.9 in 56.8 in 56 in
Length, Overall
197.2 in 200.9 in 199.2 in 198.8 in
Second Shoulder Room
55.9 in 54.6 in 57.2 in N/A
Second Leg Room
37 in 36.6 in N/A N/A

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