Your car comparison

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

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

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

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

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

Sand

Onyx / Blue

Vanilla / Blue

Platinum

Onyx

Beige

Savanna Beige

Lago Green

Truffle Brown

Parchment

Charcoal Black

Medium Light Stone

Slate Gray / Taupe

Anthracite

Grey / Dark Grey

Black / Porcelain

Black

Cashmere

Designo Porcelain

Classic Red

Ash

Espresso / Black

Silverstone II

Black

Taruma Brown

Ivory White / Night Blue

Sakhir Orange

Midrand Beige

Ivory White / Tartufo

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 Large Cars Compact Cars Midsize Cars

Wheels

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

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

Mileage

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

Suspension

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

Brakes

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

Fuel Tank

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

Steering

Turning Diameter - Curb to Curb
40 ft 39 ft N/A 42.4 ft
Lock to Lock Turns (Steering)
N/A N/A N/A N/A
Turning Diameter - Wall to Wall
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

Tires

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

Trailering

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

Weight Information

Base Curb Weight
4938 lbs 4336 lbs 4447 lbs 4480 lbs

Dimensions

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

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