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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Brand
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Tire Type
- All Season (30)
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- Summer (37)
- Winter (7)
Performance
- Grand Touring (5)
- High Performance (3)
- Performance (7)
- Sport (1)
- Studless (1)
- Supreme Performance (19)
- Touring (1)
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- Ultra High Performance (32)
Warranty
- 20K Miles (2)
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- 30K Miles (4)
- 40K Miles (2)
- 45K Miles (10)
- 50K Miles (12)
- 55K Miles (1)
- 60K Miles (4)
- 65K Miles (1)
Load Rating
- SL (12)
- XL (63)
Speed Rating
- H (3)
- V (5)
- W (20)
- Y (47)
Run Flat
- RunFlat (12)
Price
- $100-$150 (3)
- $150-$200 (15)
- $200-$250 (26)
- $250-$300 (15)
- Above $300 (16)
Ventus S1 noble2
All Season | 95W SL
All Season | 95W SL
Avg. $138.50
Ultra High Performance
50K Miles
Winguard Sport 2
Winter | 99V XL
Winter | 99V XL
Avg. $147.00
Performance
Zeon RS3-G1
All Season | 99W XL
All Season | 99W XL
Avg. $148.00
Ultra High Performance
50K Miles
Cobra Instinct
All Season | 99Y XL
All Season | 99Y XL
Avg. $150.25
Ultra High Performance
45K Miles
HTR A/S P03
All Season | 99W XL
All Season | 99W XL
Avg. $171.00
Ultra High Performance
45K Miles
Potenza S001 RFT
Summer | 95Y SL (RunFlat)
Summer | 95Y SL (RunFlat)
Avg. $175.00
Supreme Performance
Winter Sottozero 3 Run Flat
Winter | 95H SL (RunFlat)
Winter | 95H SL (RunFlat)
Avg. $182.00
Performance
HTR Z5
Summer | 99Y XL
Summer | 99Y XL
Avg. $183.00
Ultra High Performance
Edge Sport
All Season | 99Y XL
All Season | 99Y XL
Avg. $184.50
Performance
45K Miles
Ventus V2 concept 2
All Season | 99W XL
All Season | 99W XL
Avg. $186.00
High Performance
45K Miles
Motivo 365
All Season | 99W XL
All Season | 99W XL
Avg. $191.00
Ultra High Performance
60K Miles
Ziex ZE960 A/S
All Season | 99W XL
All Season | 99W XL
Avg. $191.50
High Performance
45K Miles
Ecsta PS91
Summer | 99Y XL
Summer | 99Y XL
Avg. $192.00
Supreme Performance
N Fera AU7
All Season | 95Y SL
All Season | 95Y SL
Avg. $193.00
High Performance
50K Miles
Power Paw A/S
All Season | 99Y XL
All Season | 99Y XL
Avg. $193.50
Ultra High Performance
45K Miles
G-MAX AS-07
All Season | 99W XL
All Season | 99W XL
Avg. $194.50
Ultra High Performance
50K Miles
Ecsta PA51
All Season | 99W XL
All Season | 99W XL
Avg. $196.00
Ultra High Performance
45K Miles
Potenza RE980AS Plus
All Season | 99W XL
All Season | 99W XL
Avg. $198.00
Ultra High Performance
50K Miles
Eurowinter HS01
Winter | 99W XL
Winter | 99W XL
Avg. $201.00
Performance
Azenis FK460 A/S
All Season | 99Y XL
All Season | 99Y XL
Avg. $207.00
Ultra High Performance
50K Miles
Eagle Sport All-Season
All Season | 99W XL
All Season | 99W XL
Avg. $209.00
Ultra High Performance
50K Miles
Motivo
All Season | 99W XL
All Season | 99W XL
Avg. $211.00
Ultra High Performance
60K Miles
$110 REBATE
ExtremeContact DWS 06 Plus
All Season | 99Y XL
All Season | 99Y XL
Avg. $211.25
Ultra High Performance
50K Miles
G-Max RS
Summer | 99Y XL
Summer | 99Y XL
Avg. $214.00
Ultra High Performance
ADVAN Apex V601
Summer | 99Y XL
Summer | 99Y XL
Avg. $216.50
Supreme Performance
25K Miles
Observe GSi-6 HP
Winter | 99V XL
Winter | 99V XL
Avg. $217.00
Performance
g-Force COMP-2 A/S PLUS
All Season | 99W XL
All Season | 99W XL
Avg. $220.67
Ultra High Performance
45K Miles
Proxes Sport A/S
All Season | 99Y XL
All Season | 99Y XL
Avg. $222.50
Ultra High Performance
40K Miles
P Zero AS Plus 3
All Season | 99Y XL
All Season | 99Y XL
Avg. $222.75
Ultra High Performance
50K Miles
Efficient Grip RunOnFlat
Summer | 95Y SL (RunFlat)
Summer | 95Y SL (RunFlat)
Avg. $223.00
Grand Touring
Ventus S1 AS
All Season | 99Y XL
All Season | 99Y XL
Avg. $225.00
Ultra High Performance
50K Miles
ADVAN Sport V107
Summer | 99Y XL
Summer | 99Y XL
Avg. $225.50
Supreme Performance
Proxes Sport
Summer | 99Y XL
Summer | 99Y XL
Avg. $230.00
Supreme Performance
25K Miles
ADVAN Sport A/S Plus
All Season | 99Y XL
All Season | 99Y XL
Avg. $230.67
Ultra High Performance
55K Miles
Ventus V12 evo2
Summer | 99Y XL
Summer | 99Y XL
Avg. $231.00
Supreme Performance
Firehawk Indy 500
Summer | 99W XL
Summer | 99W XL
Avg. $231.00
Ultra High Performance
N Fera SU1
Summer | 99Y XL
Summer | 99Y XL
Avg. $232.00
Ultra High Performance
25K Miles
Azenis FK510
Summer | 99Y XL
Summer | 99Y XL
Avg. $235.00
Ultra High Performance
Proxes Sport A/S Plus
All Season | 99Y XL
All Season | 99Y XL
Avg. $239.00
Ultra High Performance
50K Miles
Cinturato WeatherActive
All Season | 95Y SL
All Season | 95Y SL
Avg. $240.00
Grand Touring
60K Miles
Eagle Exhilarate
All Season | 99Y XL
All Season | 99Y XL
Avg. $240.60
Ultra High Performance
45K Miles
$110 REBATE
ContiProContact
All Season | 99H XL
All Season | 99H XL
Avg. $241.00
Grand Touring
60K Miles
Potenza Sport AS
All Season | 99Y XL
All Season | 99Y XL
Avg. $242.00
Ultra High Performance
50K Miles
$110 REBATE
ExtremeContact Sport 02
Summer | 99Y XL
Summer | 99Y XL
Avg. $244.75
Supreme Performance
30K Miles
BluEarth Winter V905
Winter | 99V XL
Winter | 99V XL
Avg. $252.00
Performance
Pilot Sport All Season 4
All Season | 99Y XL
All Season | 99Y XL
Avg. $256.25
Ultra High Performance
45K Miles
Invo
Summer | 99Y XL
Summer | 99Y XL
Avg. $257.50
Ultra High Performance
Potenza Sport
Summer | 99Y XL
Summer | 99Y XL
Avg. $267.33
Supreme Performance
P Zero PZ4
Summer | 99Y XL
Summer | 99Y XL
Avg. $276.50
Supreme Performance
Pilot Sport 4S
Summer | 99Y XL
Summer | 99Y XL
Avg. $281.50
Supreme Performance
30K Miles
Blizzak LM005
Winter | 99V XL
Winter | 99V XL
Avg. $283.00
Performance
Potenza RE-71RS
Summer | 99W XL
Summer | 99W XL
Avg. $285.50
Ultimate Performance
Pilot Sport 3
Summer | 99Y XL
Summer | 99Y XL
Avg. $288.00
Supreme Performance
20K Miles
Azenis RT660
Summer | 99W XL
Summer | 99W XL
Avg. $288.00
Ultimate Performance
Ventus S1 evo3 SUV HRS
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $290.00
Sport
X-Ice Snow
Winter | 99H XL
Winter | 99H XL
Avg. $290.00
Studless
40K Miles
Ventus S1 evo3 HRS
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $290.00
Ultra High Performance
Turanza EL400-02
All Season | 95W SL
All Season | 95W SL
Avg. $292.00
Touring
Azenis RT660 Plus
Summer | 99W XL
Summer | 99W XL
Avg. $295.00
Ultimate Performance
$110 REBATE
ContiSportContact 5 SSR
Summer | 95Y SL (RunFlat)
Summer | 95Y SL (RunFlat)
Avg. $300.67
Supreme Performance
Pilot Super Sport
Summer | 95Y SL
Summer | 95Y SL
Avg. $301.50
Supreme Performance
30K Miles
Pilot Super Sport
Summer | 99Y XL
Summer | 99Y XL
Avg. $305.50
Supreme Performance
30K Miles
ADVAN Neova AD09
Summer | 99W XL
Summer | 99W XL
Avg. $313.67
Ultimate Performance
Pilot Sport 4
Summer | 99Y XL
Summer | 99Y XL
Avg. $330.33
Supreme Performance
20K Miles
DriveGuard Plus
All Season | 99W XL (RunFlat)
All Season | 99W XL (RunFlat)
Avg. $332.00
Grand Touring
65K Miles
P Zero
Summer | 99Y XL
Summer | 99Y XL
Avg. $334.00
Supreme Performance
Cinturato P7 Run Flat
Summer | 95V SL (RunFlat)
Summer | 95V SL (RunFlat)
Avg. $345.67
Ultra High Performance
Potenza S001 RFT
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $348.00
Supreme Performance
ADVAN A052
Street/Racetrack | 99Y XL
Street/Racetrack | 99Y XL
Avg. $351.00
Eagle F1 Supercar 3
Summer | 99Y XL
Summer | 99Y XL
Avg. $353.00
Ultimate Performance
Eagle F1 Asymmetric 3 RunOnFlat
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $364.67
Supreme Performance
Cinturato P7
Summer | 99Y XL
Summer | 99Y XL
Avg. $366.00
Ultra High Performance
Turanza T005 RFT
Summer | 99Y XL (RunFlat)
Summer | 99Y XL (RunFlat)
Avg. $368.00
Grand Touring
Cinturato P7 Run Flat
Summer | 95Y SL (RunFlat)
Summer | 95Y SL (RunFlat)
Avg. $377.75
Ultra High Performance
P Zero Rosso
Summer | 95Y SL
Summer | 95Y SL
Avg. $425.00
Supreme Performance
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