Your car comparison

Here's how the 2021 Audi TT RS and the 2021 Porsche 718 Cayman measure up.
2.5 TFSI
$72,500
Starting MSRP
$100,200
Starting MSRP

Overview

Door
2-door 2-door -
Seats
4 2 -
Engine

394.0-hp, 2.5-liter, 5 Cylinder Engine(Gasoline Fuel)

414.0-hp, 4.0-liter, Flat 6 Cylinder Engine(Gasoline Fuel)

-
Combined MPG
24 20 -
Size
165" length, 52.9" height 172.4" length, 50.6" height -
Drivetrain
All Wheel Drive Rear Wheel Drive -

Exterior color

Exterior color

-

Interior color

Interior color

Black

Gray

Ebony

Dark Ruby Red

Ash

Midnight Blue

Light Gray

-

Transmissions

Transmissions

7-Speed A/T

A/T

Transmission w/Dual Shift Mode

7-Speed A/T

M/T

6-Speed M/T

A/T

Transmission w/Dual Shift Mode

-

Vehicle

EPA Classification
Subcompact Cars Two Seaters -

Wheels

Rear Wheel Material
Aluminum Aluminum -
Spare Wheel Size
N/A N/A -
Front Wheel Size
20 X 9 in 20 X 8.5 in -
Rear Wheel Size
20 X 9 in 20 X 11 in -
Front Wheel Material
Aluminum Aluminum -
Spare Wheel Material
N/A N/A -

Electrical

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

Engine

SAE Net Torque @ RPM
354 @ 2000 309 @ 5000 -
SAE Net Horsepower @ RPM
394 @ 6000 414 @ 7600 -
Engine Type
Intercooled Turbo Premium Unleaded I-5 Premium Unleaded H-6 -
Displacement
2.5 L/151 4.0 L/244 -

Mileage

Cruising Range - Hwy
435.00 mi 388.70 mi -
EPA Fuel Economy Est - City
20 MPG 17 MPG -
Fuel Economy Est-Combined
24 MPG 19 MPG -
Cruising Range - City
290.00 mi 287.30 mi -
EPA Fuel Economy Est - Hwy
30 MPG 23 MPG -
EPA MPG Equivalent - Combined
N/A N/A -
EPA MPG Equivalent - City
N/A N/A -
EPA MPG Equivalent - Hwy
N/A N/A -

Suspension

Suspension Type - Rear (Cont.)
Multi-Link Strut -
Suspension Type - Rear
Multi-Link Strut -
Suspension Type - Front (Cont.)
Strut Strut -
Suspension Type - Front
Strut Strut -

Brakes

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

Fuel Tank

Aux Fuel Tank Capacity, Approx
N/A N/A -
Fuel Tank Capacity, Approx
14.5 gal 16.9 gal -

Steering

Turning Diameter - Wall to Wall
N/A N/A -
Lock to Lock Turns (Steering)
N/A N/A -
Steering Ratio (:1), Overall
N/A N/A -
Turning Diameter - Curb to Curb
36.1 ft 37.5 ft -
Steering Type
Rack-Pinion Rack-Pinion -

Tires

Spare Tire Size
N/A N/A -
Rear Tire Size
P255/30YR20 P295/30ZR20 -
Front Tire Size
P255/30YR20 P245/35ZR20 -

Trailering

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

Weight Information

Base Curb Weight
3329 lbs 3208 lbs -

Dimensions

Second Head Room
33.8 in N/A -
Passenger Capacity
4 2 -
Second Leg Room
28.9 in N/A -
Track Width, Rear
60.8 in 60.4 in -
Passenger Volume
N/A N/A -
Front Hip Room
N/A N/A -
Wheelbase
98.6 in 97.8 in -
Front Shoulder Room
53.6 in N/A -
Front Leg Room
41.1 in N/A -
Width, Max w/o mirrors
72.1 in 70.9 in -
Trunk Volume
N/A N/A -
Length, Overall
165 in 175.5 in -
Liftover Height
N/A N/A -
Front Head Room
37.1 in N/A -
Track Width, Front
61.6 in 60.6 in -
Min Ground Clearance
N/A 3.1 in -
Second Shoulder Room
47.9 in N/A -
Height, Overall
52.9 in 50 in -
Second Hip Room
N/A N/A -

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