Compare 2018 Audi R8 vs 2018 Porsche 911

2018 Audi R8
2018 Porsche 911
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V10 RWD
Style MPG City MPG Hwy Invoice MSRP
R8 Coupe V10 RWD 14 25 $128,991 $138,700
R8 Coupe V10 plus quattro 14 22 $180,792 $194,400
R8 Coupe V10 quattro 14 22 $153,357 $164,900
Select style
Carrera 4 Convertible
Style MPG City MPG Hwy Invoice MSRP
911 Carrera 4 Convertible 19 28 N/A $110,300
911 Carrera 4 Coupe 20 28 N/A $98,000
911 Carrera 4 GTS Convertible 18 26 N/A $139,900
911 Carrera 4 GTS Coupe 18 26 N/A $127,600
911 Carrera 4S Convertible 19 28 N/A $124,300
911 Carrera 4S Coupe 20 28 N/A $112,000
911 Carrera Convertible 20 29 N/A $103,400
911 Carrera Coupe 20 29 N/A $91,100
911 Carrera GTS Convertible 18 26 N/A $133,000
911 Carrera GTS Coupe 18 26 N/A $120,700
911 Carrera S Convertible 20 28 N/A $117,400
911 Carrera S Coupe 20 29 N/A $105,100
911 Carrera T Coupe 16 25 N/A $102,100
911 GT2 RS Coupe 15 21 N/A $293,200
911 GT3 Coupe 15 20 N/A $143,600
911 Targa 4 19 28 N/A $110,300
911 Targa 4 GTS 18 26 N/A $139,900
911 Targa 4S 19 28 N/A $124,300
911 Turbo Convertible 19 24 N/A $174,100
911 Turbo Coupe 19 24 N/A $161,800
911 Turbo S Convertible 19 24 N/A $203,000
911 Turbo S Coupe 19 24 N/A $190,700
Pricing
Invoice Price
$128,991
N/A
Manufacturer Suggested Retail Price
$138,700
$110,300
Monthly Payment Estimate
$2312 / month
$1838 / month
The Car Connection's Take
TCC Rating
8.2
7.6
TCC’s Bottom Line
As much a track star as it is a comfortable daily driver, the 2018 Audi R8 is one of the most balanced and flexible supercars ever made. The 2018 Porsche 911 is a superlative sports car that has defied its age. It’s a classic, but performs better than nearly any newcomer to its arena.
TCC Likes
TCC Dislikes
Fuel Economy
City
14 mpg 19 mpg
Highway
25 mpg 28 mpg
Vehicle
EPA Classification
Two-Seaters Minicompact Cars
Interior Dimensions
Passenger Capacity
2 4
Front Leg Room (in)
40.9 -
Front Head Room (in)
38.5 -
Front Shoulder Room (in)
55.1 -
Exterior Dimensions
Length, Overall (in)
174.3 177.1
Height, Overall (in)
48.8 50.7
Track Width, Rear (in)
63 61.3
Wheelbase (in)
104.4 96.5
Width, Max w/o mirrors (in)
76.4 72.9
Track Width, Front (in)
64.5 60.7
Brakes
Disc - Rear (Yes or )
Yes Yes
Rear Brake Rotor Diam x Thickness (in)
14 13
Brake Type
4-Wheel Disc 4-Wheel Disc
Rear Drum Diam x Width (in)
NA NA
Disc - Front (Yes or )
Yes Yes
Front Brake Rotor Diam x Thickness (in)
14.4 13
Drum - Rear (Yes or )
NA NA
Brake ABS System
4-Wheel 4-Wheel
Fuel Tank
Fuel Tank Capacity, Approx (gal)
21.9 17.9
Steering
Steering Type
Rack-Pinion Rack-Pinion
Turning Diameter - Curb to Curb (ft)
36.7 36.7
Tires
Spare Tire Size
NA NA
Front Tire Order Code
NA NA
Spare Tire Order Code
NA NA
Rear Tire Size
P295/35YR19 P295/35YR19
Rear Tire Order Code
NA NA
Front Tire Size
P245/35YR19 P235/40YR19
Weight Information
Base Curb Weight (lbs)
3505 3417
Wheels
Rear Wheel Material
Forged Aluminum Forged Aluminum
Rear Wheel Size (in)
19 X 11 19 X 11.5
Front Wheel Material
Forged Aluminum Forged Aluminum
Spare Wheel Material
NA NA
Front Wheel Size (in)
19 X 8.5 19 X 8.5
Spare Wheel Size (in)
NA NA
Electrical
Maximum Alternator Capacity (amps)
210 175
Cold Cranking Amps @ 0° F (Primary)
420 450
Engine
Fuel System
Port/Direct Injection Gasoline Direct Injection
SAE Net Torque @ RPM
398 @ 6500 331 @ 1700
Engine Order Code
NA NA
Displacement
5.2 L/318 3.0 L/182
SAE Net Horsepower @ RPM
532 @ 7800 370 @ 6500
Engine Type
Premium Unleaded V-10 Twin Turbo Premium Unleaded H-6
Mileage
EPA Fuel Economy Est - City (MPG)
14 19
Fuel Economy Est-Combined (MPG)
18 22
EPA Fuel Economy Est - Hwy (MPG)
25 28
Transmission
Seventh Gear Ratio (:1)
0.65 0.62
Drivetrain
Rear Wheel Drive All Wheel Drive
Sixth Gear Ratio (:1)
0.88 0.79
First Gear Ratio (:1)
3.13 3.91
Final Drive Axle Ratio (:1)
3.59 3.09
Third Gear Ratio (:1)
1.88 1.58
Trans Type
7 7
Fifth Gear Ratio (:1)
0.90 0.94
Trans Description Cont. Again
NA NA
Reverse Ratio (:1)
2.65 3.55
Second Gear Ratio (:1)
2.59 2.29
Trans Order Code
NA 487
Fourth Gear Ratio (:1)
1.14 1.18
Trans Description Cont.
Auto-Shift Manual w/OD Manual w/OD
Summary
Body Style
Coupe Cabriolet
Vehicle Name
Audi R8 Coupe Porsche 911
Suspension
Suspension Type - Rear
Double Wishbone Multi-Link
Suspension Type - Rear (Cont.)
Double Wishbone Multi-Link
Suspension Type - Front
Double Wishbone Strut
Suspension Type - Front (Cont.)
Double Wishbone Strut
Emissions
Tons/yr of CO2 Emissions @ 15K mi/year
9.8 8.0

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