255/40R18 Tires
255/40R18 tires have a diameter of 26.0", a section width of 10.0", and a wheel diameter of 18". The circumference is 81.7" and they have 775 revolutions per mile.
Generally they are approved to be mounted on 8.5-10" wide wheels.
Specs may vary by manufacturer. learn more
Generally they are approved to be mounted on 8.5-10" wide wheels.
Specs may vary by manufacturer. learn more
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10.0"
26.0"
81.7"
18"
4.0"
775 Revs/Mile
255/40R18
Diameter : 26.0"
Width : 10.0"
Wheel : 18" x 8.5-10"
Sidewall : 4.0"
Circum. : 81.7"
Revs/Mile : 775
Upsizing Wheels or Tires?
When searching for the perfect tire for your vehicle you need options. Click the "Alternate Sizes" button to see a list of similar tire sizes. You can then change the wheel size to see alternate sizes on a different diameter wheel.
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- All Season (32)
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Performance
- Grand Touring (4)
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Warranty
- 20K Miles (2)
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- 50K Miles (14)
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- 60K Miles (4)
- 65K Miles (1)
Load Rating
- SL (9)
- XL (69)
Speed Rating
- H (2)
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- Y (50)
Run Flat
- RunFlat (9)
Price
- $100-$150 (1)
- $150-$200 (8)
- $200-$250 (35)
- $250-$300 (13)
- Above $300 (21)
Interceptor AS810
All Season | 99Y XL
All Season | 99Y XL
Avg. $123.50
Ultra High Performance
50K Miles
Motivo
All Season | 99W XL
All Season | 99W XL
Avg. $152.99
Ultra High Performance
60K Miles
Eagle Sport All-Season
All Season | 99W XL
All Season | 99W XL
Avg. $179.25
Ultra High Performance
50K Miles
Ecsta PS91
Summer | 99Y XL
Summer | 99Y XL
Avg. $179.50
Supreme Performance
Edge Sport
All Season | 99Y XL
All Season | 99Y XL
Avg. $189.50
Performance
45K Miles
Ziex ZE960 A/S
All Season | 99W XL
All Season | 99W XL
Avg. $193.00
High Performance
45K Miles
Ecsta PA51
All Season | 99W XL
All Season | 99W XL
Avg. $195.67
Ultra High Performance
45K Miles
HTR A/S P03
All Season | 99W XL
All Season | 99W XL
Avg. $196.00
Ultra High Performance
45K Miles
Power Paw A/S
All Season | 99Y XL
All Season | 99Y XL
Avg. $200.00
Ultra High Performance
45K Miles
N Fera AU7
All Season | 95Y SL
All Season | 95Y SL
Avg. $201.00
High Performance
50K Miles
HTR Z5
Summer | 99Y XL
Summer | 99Y XL
Avg. $203.00
Ultra High Performance
Ventus V2 concept 2
All Season | 99W XL
All Season | 99W XL
Avg. $203.00
High Performance
45K Miles
Ecsta Sport A/S
All Season | 99Y XL
All Season | 99Y XL
Avg. $203.00
Ultra High Performance
50K Miles
$80 REBATE
G-MAX AS-07
All Season | 99W XL
All Season | 99W XL
Avg. $205.00
Ultra High Performance
50K Miles
Motivo 365
All Season | 99W XL
All Season | 99W XL
Avg. $205.67
Ultra High Performance
60K Miles
Ventus S1 noble2
All Season | 95W SL
All Season | 95W SL
Avg. $207.00
Ultra High Performance
50K Miles
Ventus V12 evo2
Summer | 99Y XL
Summer | 99Y XL
Avg. $207.67
Supreme Performance
Eagle Exhilarate
All Season | 99Y XL
All Season | 99Y XL
Avg. $208.33
Ultra High Performance
45K Miles
ADVAN Sport A/S Plus
All Season | 99Y XL
All Season | 99Y XL
Avg. $208.75
Ultra High Performance
55K Miles
Azenis FK460 A/S
All Season | 99Y XL
All Season | 99Y XL
Avg. $210.25
Ultra High Performance
50K Miles
Cobra Instinct
All Season | 99Y XL
All Season | 99Y XL
Avg. $211.00
Ultra High Performance
45K Miles
Potenza RE980AS Plus
All Season | 99W XL
All Season | 99W XL
Avg. $212.00
Ultra High Performance
50K Miles
Ventus S1 evo3 HRS
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $213.00
Ultra High Performance
Firehawk Indy 500
Summer | 99W XL
Summer | 99W XL
Avg. $214.20
Ultra High Performance
$80 REBATE
G-Max RS
Summer | 99Y XL
Summer | 99Y XL
Avg. $217.00
Ultra High Performance
Surpass AS01
All Season | 99W XL
All Season | 99W XL
Avg. $219.00
Ultra High Performance
55K Miles
ExtremeContact DWS 06 Plus
All Season | 99Y XL
All Season | 99Y XL
Avg. $225.00
Ultra High Performance
50K Miles
g-Force Phenom T/A
Summer | 99Y XL
Summer | 99Y XL
Avg. $225.00
Ultra High Performance
Eurowinter HS01
Winter | 99W XL
Winter | 99W XL
Avg. $227.00
Performance
Zeon RS3-G1
All Season | 99W XL
All Season | 99W XL
Avg. $228.00
Ultra High Performance
50K Miles
g-Force COMP-2 A/S PLUS
All Season | 99W XL
All Season | 99W XL
Avg. $229.00
Ultra High Performance
45K Miles
Ecsta Sport
Summer | 99Y XL
Summer | 99Y XL
Avg. $231.75
Ultra High Performance
30K Miles
P Zero AS Plus 3
All Season | 99Y XL
All Season | 99Y XL
Avg. $232.00
Ultra High Performance
50K Miles
ADVAN Apex V601
Summer | 99Y XL
Summer | 99Y XL
Avg. $239.00
Supreme Performance
25K Miles
Ventus S1 AS
All Season | 99Y XL
All Season | 99Y XL
Avg. $239.00
Ultra High Performance
50K Miles
Proxes Sport A/S Plus
All Season | 99Y XL
All Season | 99Y XL
Avg. $239.00
Ultra High Performance
50K Miles
Proxes Sport
Summer | 99Y XL
Summer | 99Y XL
Avg. $241.00
Supreme Performance
25K Miles
Observe GSi-6 HP
Winter | 99V XL
Winter | 99V XL
Avg. $242.00
Performance
Azenis FK510
Summer | 99Y XL
Summer | 99Y XL
Avg. $243.00
Ultra High Performance
ADVAN Sport V107
Summer | 99Y XL
Summer | 99Y XL
Avg. $246.00
Supreme Performance
Proxes Sport 2
Summer | 99Y XL
Summer | 99Y XL
Avg. $246.00
Ultra High Performance
25K Miles
Winguard Sport 2
Winter | 99V XL
Winter | 99V XL
Avg. $249.20
Performance
Potenza Sport AS
All Season | 99Y XL
All Season | 99Y XL
Avg. $249.25
Ultra High Performance
50K Miles
N Fera SU1
Summer | 99Y XL
Summer | 99Y XL
Avg. $249.67
Ultra High Performance
25K Miles
Proxes Sport A/S
All Season | 99Y XL
All Season | 99Y XL
Avg. $253.12
Ultra High Performance
40K Miles
ExtremeContact Sport 02
Summer | 99Y XL
Summer | 99Y XL
Avg. $257.40
Supreme Performance
30K Miles
Cinturato WeatherActive
All Season | 95Y SL
All Season | 95Y SL
Avg. $258.20
Grand Touring
60K Miles
Blizzak LM005
Winter | 99V XL
Winter | 99V XL
Avg. $264.50
Performance
Pilot Sport All Season 4
All Season | 99Y XL
All Season | 99Y XL
Avg. $266.00
Ultra High Performance
45K Miles
ContiProContact
All Season | 99H XL
All Season | 99H XL
Avg. $268.40
Grand Touring
60K Miles
Potenza RE-71RS
Summer | 99W XL
Summer | 99W XL
Avg. $281.50
Ultimate Performance
Potenza Sport
Summer | 99Y XL
Summer | 99Y XL
Avg. $282.60
Supreme Performance
P Zero PZ4
Summer | 99Y XL
Summer | 99Y XL
Avg. $292.00
Supreme Performance
Pilot Sport 3
Summer | 99Y XL
Summer | 99Y XL
Avg. $295.00
Supreme Performance
20K Miles
Azenis RT660
Summer | 99W XL
Summer | 99W XL
Avg. $295.00
Ultimate Performance
Pilot Sport 4S
Summer | 99Y XL
Summer | 99Y XL
Avg. $298.00
Supreme Performance
30K Miles
Azenis RT660 Plus
Summer | 99W XL
Summer | 99W XL
Avg. $300.00
Ultimate Performance
P Zero System
Summer | 95Y SL
Summer | 95Y SL
Avg. $307.00
Supreme Performance
Pilot Super Sport
Summer | 95Y SL
Summer | 95Y SL
Avg. $323.33
Supreme Performance
30K Miles
Pilot Super Sport
Summer | 99Y XL
Summer | 99Y XL
Avg. $323.60
Supreme Performance
30K Miles
Ventus S1 evo3 SUV HRS
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $324.00
Sport
Eagle F1 Asymmetric 6
Summer | 99W XL
Summer | 99W XL
Avg. $325.00
Supreme Performance
ContiSportContact 5 SSR
Summer | 95Y SL (RunFlat)
Summer | 95Y SL (RunFlat)
Avg. $329.75
Supreme Performance
ADVAN Neova AD09
Summer | 99W XL
Summer | 99W XL
Avg. $332.33
Ultimate Performance
DriveGuard Plus
All Season | 99W XL (RunFlat)
All Season | 99W XL (RunFlat)
Avg. $339.00
Grand Touring
65K Miles
Cinturato P7 P7C2
Summer | 99Y XL
Summer | 99Y XL
Avg. $339.00
Ultra High Performance
Winter Sottozero 3 Run Flat
Winter | 99V XL (RunFlat)
Winter | 99V XL (RunFlat)
Avg. $346.00
Performance
X-Ice Snow
Winter | 99H XL
Winter | 99H XL
Avg. $346.00
Studless
40K Miles
P Zero
Summer | 99Y XL
Summer | 99Y XL
Avg. $348.75
Supreme Performance
ADVAN A052
Street/Racetrack | 99Y XL
Street/Racetrack | 99Y XL
Avg. $351.00
Eagle F1 Asymmetric 3 RunOnFlat
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $351.00
Supreme Performance
Cinturato P7
Summer | 99Y XL
Summer | 99Y XL
Avg. $351.50
Ultra High Performance
Eagle F1 Supercar 3
Summer | 99Y XL
Summer | 99Y XL
Avg. $353.00
Ultimate Performance
Cinturato P7 Run Flat
Summer | 95V SL (RunFlat)
Summer | 95V SL (RunFlat)
Avg. $363.00
Ultra High Performance
Turanza T005 RFT
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $369.50
Grand Touring
Pilot Sport 4
Summer | 99Y XL
Summer | 99Y XL
Avg. $378.33
Supreme Performance
20K Miles
Cinturato P7 Run Flat
Summer | 95Y SL (RunFlat)
Summer | 95Y SL (RunFlat)
Avg. $392.20
Ultra High Performance
P Zero Rosso
Summer | 95Y SL
Summer | 95Y SL
Avg. $461.75
Supreme Performance
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