Compare 2021 Audi Q8 vs 2020 Porsche Cayenne

2021 Audi Q8
2020 Porsche Cayenne
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Premium 55 TFSI quattro
Style MPG City MPG Hwy Invoice MSRP
Q8 Premium 55 TFSI quattro 18 23 $64,108 $68,200
Q8 Premium Plus 55 TFSI quattro 18 23 $64,108 $68,200
Q8 Prestige 55 TFSI quattro 18 23 $64,108 $68,200
RS Q8 4.0 TFSI quattro 13 19 $107,632 $114,500
SQ8 Premium Plus 4.0 TFSI quattro 15 21 $83,848 $89,100
SQ8 Prestige 4.0 TFSI quattro 15 21 $83,848 $89,100
Select style
AWD
Style MPG City MPG Hwy Invoice MSRP
Cayenne AWD 19 23 N/A $66,800
Cayenne Coupe AWD 19 23 N/A $75,300
Cayenne E-Hybrid AWD N/A N/A N/A $81,100
Cayenne E-Hybrid Coupe AWD N/A N/A N/A $86,400
Cayenne S AWD 18 22 N/A $84,300
Cayenne S Coupe AWD 18 22 N/A $88,600
Cayenne Turbo AWD 15 19 N/A $126,500
Cayenne Turbo Coupe AWD 15 19 N/A $130,100
Cayenne Turbo S E-Hybrid AWD N/A N/A N/A $161,900
Cayenne Turbo S E-Hybrid Coupe AWD N/A N/A N/A $164,400

Pricing

Invoice Price
$64,108
Coming Soon

Manufacturer Suggested Retail Price
$68,200
$66,800

Monthly Payment Estimate
$1137 / month
$1113 / month

The Car Connection's Take

TCC Rating
7.0
7.2

TCC’s Bottom Line
The 2021 Audi Q8 is an expansive–and expensive–full-size luxury crossover that doesn’t cut corners, it carves them. The 2020 Porsche Cayenne offers hybrid models, but fuel economy isn’t its best look. For that you’ll want to check out the new Taycan electric car.

TCC Likes

TCC Dislikes

Fuel Economy

City
18 mpg 19 mpg

Highway
23 mpg 23 mpg

Interior Dimensions

Front Shoulder Room (in)
59.5 -

Second Leg Room (in)
40.2 -

Front Leg Room (in)
41.6 -

Passenger Capacity
5 5

Second Head Room (in)
38.1 -

Second Shoulder Room (in)
58.5 -

Front Head Room (in)
37.1 -

Exterior Dimensions

Min Ground Clearance (in)
5.8 NA

Length, Overall (in)
196.6 193.7

Height, Overall (in)
67.2 66.8

Track Width, Rear (in)
66.6 65.9

Wheelbase (in)
117.9 114

Width, Max w/o mirrors (in)
78.5 78.1

Track Width, Front (in)
66.1 66.2

Cargo Area Dimensions

Cargo Volume to Seat 2 (ft³)
30.5 27.1

Cargo Volume to Seat 1 (ft³)
60.7 60.3

Cargo Volume to Seat 3 (ft³)
30.5 27.1

Brakes

Drum - Rear (Yes or )
NA NA

Brake ABS System (Second Line)
4-Wheel 4-Wheel

Disc - Rear (Yes or )
Yes Yes

Rear Brake Rotor Diam x Thickness (in)
13.8 13

Brake ABS System
4-Wheel 4-Wheel

Rear Drum Diam x Width (in)
NA NA

Disc - Front (Yes or )
Yes Yes

Front Brake Rotor Diam x Thickness (in)
14.8 13.8

Brake Type
4-Wheel Disc 4-Wheel Disc

Fuel Tank

Fuel Tank Capacity, Approx (gal)
22.5 23.7

Steering

Turning Diameter - Curb to Curb (ft)
43.6 39.7

Steering Type
Rack-Pinion Rack-Pinion

Tires

Rear Tire Size
P275/50HR20 P275/50VR19

Rear Tire Order Code
NA NA

Front Tire Size
P275/50HR20 P255/55VR19

Spare Tire Size
Compact Compact

Front Tire Order Code
NA NA

Spare Tire Order Code
NA NA

Trailering

Dead Weight Hitch - Max Trailer Wt. (lbs)
NA 5000

Wt Distributing Hitch - Max Trailer Wt. (lbs)
NA 7700

Maximum Trailering Capacity (lbs)
NA 7700

Dead Weight Hitch - Max Tongue Wt. (lbs)
NA 500

Wt Distributing Hitch - Max Tongue Wt. (lbs)
NA 770

Weight Information

Base Curb Weight (lbs)
4960 4582

Gross Vehicle Weight Rating Cap (lbs)
6471 6239

Wheels

Front Wheel Material
Aluminum Aluminum

Spare Wheel Material
Steel Aluminum

Front Wheel Size (in)
20 X 9 19 X 8.5

Spare Wheel Size (in)
Compact Compact

Rear Wheel Material
Aluminum Aluminum

Rear Wheel Size (in)
20 X 9 19 X 9.5

Electrical

Cold Cranking Amps @ 0° F (2nd)
380 -

Cold Cranking Amps @ 0° F (Primary)
380 -

Engine

SAE Net Torque @ RPM
369 @ 2800 332 @ 1340

Engine Order Code
NA NA

Displacement
3.0 L/183 3.0 L/183

SAE Net Horsepower @ RPM
335 @ 5700 335 @ 5300

Engine Type
Intercooled Turbo Gas/Electric V-6 Intercooled Turbo Premium Unleaded V-6

Engine Oil Cooler
Regular Duty None

Fuel System
Gasoline Direct Injection Gasoline Direct Injection

Mileage

Fuel Economy Est-Combined (MPG)
20 20

EPA Fuel Economy Est - Hwy (MPG)
23 23

EPA Fuel Economy Est - City (MPG)
18 19

Transmission

Eighth Gear Ratio (:1)
0.64 0.64

Trans PTO Access
No No

Third Gear Ratio (:1)
2.14 2.14

Trans Type
8 8

Transfer Case Power Take Off
No No

Fifth Gear Ratio (:1)
1.31 1.31

Trans Description Cont. Again
NA NA

Seventh Gear Ratio (:1)
0.82 0.82

Reverse Ratio (:1)
3.48 3.48

Second Gear Ratio (:1)
3.20 3.20

Trans Order Code
X2 G1G

Transfer Case Model
None None

Fourth Gear Ratio (:1)
1.72 1.72

Trans Description Cont.
Automatic w/OD Automatic w/OD

Drivetrain
All Wheel Drive All Wheel Drive

Sixth Gear Ratio (:1)
1.00 1.00

First Gear Ratio (:1)
5.00 5.00

Summary

Vehicle Name
Audi Q8 Porsche Cayenne

Body Code
S S

Body Style
quattro Sport Utility Sport Utility

Suspension

Axle Type - Rear
Independent Independent

Suspension Type - Front
Multi-Link Multi-Link

Axle Type - Front
Independent Independent

Suspension Type - Rear
Multi-Link Multi-Link

Axle Ratio (:1) - Rear
- 3.48

Axle Ratio (:1) - Front
- 3.48

Emissions

Tons/yr of CO2 Emissions @ 15K mi/year
8.9 8.9

Crash Test Ratings

Overall Rating
-

Overall Frontal Barrier Crash Rating
-

Frontal Barrier Crash Rating Driver
-

Frontal Barrier Crash Rating Passenger
-

Overall Side Crash Rating
-

Side Barrier Rating
-

Side Barrier Rating Driver
-

Side Barrier Rating Passenger Rear Seat
-

Side Pole Rating Driver Front Seat
-

Combined Side Rating Front Seat
-

Combined Side Rating Rear Seat
-

Rollover Rating
-

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