225/45R18 Compatible Tire Sizes

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The 225/45R18 has an overall diameter of 66 cm. The T&RA recommended rim width for a 225mm section width is 6–8 inches, with a measuring rim of 7 inches. This page lists 72 compatible alternatives within 3% of the original diameter. Sizes are organized by wheel diameter. Within each section, the closest match per treadwidth is shown in italics. All sizes are theoretical and there may not be an actual production tire for the size.

Use our interactive tire size compatibility lookup →

225/45R18 Specifications

Recommended Rim Width

6–8 in

Measuring: 7 in

6" 8"

Sidewall Height

10.1 cm

Visible Sidewall

8.4 cm

3.3 in

Overall Diameter

66.0 cm

26.0 in

Tire Size	Diameter (cm)	Sidewall (cm)	Visible SW (cm)	% Difference	Speed @ 30mph	Speed @ 60mph
205/55R17	65.7	11.3	9.5	-0.4%	29.9 mph	59.8 mph
205/60R17	67.8	12.3	10.5	+2.7%	30.8 mph	61.6 mph
215/50R17	64.7	10.8	9.0	-2.0%	29.4 mph	58.8 mph
215/55R17	66.8	11.8	10.1	+1.3%	30.4 mph	60.8 mph
225/50R17	65.7	11.3	9.5	-0.4%	29.9 mph	59.7 mph
225/55R17	67.9	12.4	10.6	+3.0%	30.9 mph	61.8 mph
235/45R17	64.3	10.6	8.8	-2.5%	29.3 mph	58.5 mph
235/50R17	66.7	11.8	10.0	+1.1%	30.3 mph	60.6 mph
245/45R17	65.2	11.0	9.3	-1.1%	29.7 mph	59.3 mph
245/50R17	67.7	12.3	10.5	+2.6%	30.8 mph	61.6 mph
255/45R17	66.1	11.5	9.7	+0.2%	30.1 mph	60.1 mph
265/40R17	64.4	10.6	8.9	-2.4%	29.3 mph	58.6 mph
265/45R17	67.0	11.9	10.2	+1.6%	30.5 mph	61.0 mph
275/40R17	65.2	11.0	9.3	-1.2%	29.6 mph	59.3 mph
275/45R17	67.9	12.4	10.6	+3.0%	30.9 mph	61.8 mph
285/40R17	66.0	11.4	9.7	+0.0%	30.0 mph	60.0 mph
295/40R17	66.8	11.8	10.1	+1.2%	30.4 mph	60.7 mph
305/35R17	64.5	10.7	8.9	-2.2%	29.3 mph	58.7 mph
305/40R17	67.6	12.2	10.5	+2.4%	30.7 mph	61.5 mph

Tire Size	Diameter (cm)	Sidewall (cm)	Visible SW (cm)	% Difference	Speed @ 30mph	Speed @ 60mph
205/45R18	64.2	9.2	7.5	-2.7%	29.2 mph	58.4 mph
205/50R18	66.2	10.3	8.5	+0.4%	30.1 mph	60.2 mph
215/45R18	65.1	9.7	7.9	-1.4%	29.6 mph	59.2 mph
215/50R18	67.2	10.8	9.0	+1.9%	30.6 mph	61.1 mph
225/45R18 (Original)	66.0	10.1	8.4	+0.0%	30.0 mph	60.0 mph
235/40R18	64.5	9.4	7.7	-2.2%	29.3 mph	58.7 mph
235/45R18	66.9	10.6	8.8	+1.4%	30.4 mph	60.8 mph
245/40R18	65.3	9.8	8.1	-1.0%	29.7 mph	59.4 mph
245/45R18	67.8	11.0	9.3	+2.7%	30.8 mph	61.6 mph
255/40R18	66.1	10.2	8.5	+0.2%	30.1 mph	60.1 mph
265/35R18	64.3	9.3	7.5	-2.6%	29.2 mph	58.5 mph
265/40R18	66.9	10.6	8.9	+1.4%	30.4 mph	60.9 mph
275/35R18	65.0	9.6	7.9	-1.5%	29.5 mph	59.1 mph
275/40R18	67.7	11.0	9.3	+2.7%	30.8 mph	61.6 mph
285/35R18	65.7	10.0	8.2	-0.5%	29.9 mph	59.7 mph
295/35R18	66.4	10.3	8.6	+0.6%	30.2 mph	60.4 mph
305/30R18	64.0	9.2	7.4	-3.0%	29.1 mph	58.2 mph
305/35R18	67.1	10.7	8.9	+1.7%	30.5 mph	61.0 mph

Tire Size	Diameter (cm)	Sidewall (cm)	Visible SW (cm)	% Difference	Speed @ 30mph	Speed @ 60mph
205/40R19	64.7	8.2	6.5	-2.0%	29.4 mph	58.8 mph
205/45R19	66.7	9.2	7.5	+1.1%	30.3 mph	60.7 mph
215/40R19	65.5	8.6	6.8	-0.8%	29.8 mph	59.5 mph
215/45R19	67.6	9.7	7.9	+2.5%	30.7 mph	61.5 mph
225/35R19	64.0	7.9	6.1	-3.0%	29.1 mph	58.2 mph
225/40R19	66.3	9.0	7.3	+0.4%	30.1 mph	60.3 mph
235/35R19	64.7	8.2	6.5	-1.9%	29.4 mph	58.9 mph
235/40R19	67.1	9.4	7.7	+1.7%	30.5 mph	61.0 mph
245/35R19	65.4	8.6	6.8	-0.8%	29.7 mph	59.5 mph
245/40R19	67.9	9.8	8.1	+2.9%	30.9 mph	61.7 mph
255/35R19	66.1	8.9	7.2	+0.2%	30.1 mph	60.1 mph
265/30R19	64.2	7.9	6.2	-2.7%	29.2 mph	58.4 mph
265/35R19	66.8	9.3	7.5	+1.3%	30.4 mph	60.8 mph
275/30R19	64.8	8.3	6.5	-1.8%	29.4 mph	58.9 mph
275/35R19	67.5	9.6	7.9	+2.3%	30.7 mph	61.4 mph
285/30R19	65.4	8.5	6.8	-0.9%	29.7 mph	59.4 mph
295/30R19	66.0	8.8	7.1	+0.0%	30.0 mph	60.0 mph
305/30R19	66.6	9.2	7.4	+0.9%	30.3 mph	60.5 mph

Current Tire Pricing

Tire	Size	Price/Tire
225/45R18
Bridgestone Potenza RE-71RZExtreme Performance Summer	225/45R18	$305.70
Bridgestone Potenza RE-71RSExtreme Performance Summer	225/45R18	$306.19
Continental ExtremeContact SportMax Performance Summer	225/45R18	$233.99
Michelin Pilot Sport 4SMax Performance Summer	225/45R18	$264.99
Michelin Pilot Sport 4Max Performance Summer	225/45R18	Check Price
Vredestein Ultrac ProMax Performance Summer	225/45R18	$171.88
Bridgestone Potenza SportMax Performance Summer	225/45R18	$250.67
Pirelli P Zero AS Plus 3 Ultra High Performance All-Season	225/45R18	$202.85
Continental ExtremeContact DWS 06 PlusUltra High Performance All-Season	225/45R18	$191.99
Bridgestone Potenza RE980AS+Ultra High Performance All-Season	225/45R18	$176.29
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	225/45R18	$219.99
Michelin CrossClimate2Grand Touring All-Season	225/45R18	$244.99
Vredestein Quatrac Pro+Grand Touring All-Season	225/45R18	$205.77
Continental SecureContact AWGrand Touring All-Season	225/45R18	$212.99
Goodyear Assurance WeatherReady2Grand Touring All-Season	225/45R18	$234.99
Bridgestone Blizzak LM-32Performance Winter / Snow	225/45R18	$202.10
Vredestein Wintrac Pro+Performance Winter / Snow	225/45R18	$194.36
Continental VikingContact 8Studless Ice & Snow	225/45R18	$216.99
Alternative Sizes · 215/45R18, 235/40R18, 235/45R18, 215/50R18
Bridgestone Potenza RE-71RZExtreme Performance Summer	215/45R18	Check Price
Bridgestone Potenza RE-71RSExtreme Performance Summer	215/45R18	$138.70
Bridgestone Potenza RE-71RZExtreme Performance Summer	235/40R18	Check Price
Bridgestone Potenza RE-71RZExtreme Performance Summer	235/45R18	$311.94
Bridgestone Potenza RE-71RSExtreme Performance Summer	235/40R18	$281.24
Nankang Sportnex CR-SExtreme Performance Summer	235/40R18	$269.00
Vitour Tempesta P1 P-01RExtreme Performance Summer	235/40R18	$298.00
Yokohama Advan A052Extreme Performance Summer	235/40R18	$347.99
Yokohama Advan A052Extreme Performance Summer	235/45R18	$341.99
Falken Azenis RT660+Extreme Performance Summer	235/40R18	$259.14
Kumho Ecsta V730Extreme Performance Summer	235/40R18	Check Price
Michelin Pilot Sport Cup 2 (240)Extreme Performance Summer	235/40R18	$321.99
Hankook Ventus R-S4Extreme Performance Summer	235/40R18	$271.04
Vredestein Ultrac ProMax Performance Summer	215/45R18	$162.02
Bridgestone Potenza SportMax Performance Summer	215/45R18	$245.56
Continental ExtremeContact SportMax Performance Summer	235/40R18	$219.99
Continental ExtremeContact SportMax Performance Summer	235/45R18	$240.99
Michelin Pilot Sport 4SMax Performance Summer	235/40R18	$245.99
Michelin Pilot Sport 4SMax Performance Summer	235/45R18	$274.99
Michelin Pilot Sport 4Max Performance Summer	235/40R18	$248.99
Michelin Pilot Sport 4Max Performance Summer	235/45R18	$262.99
Vredestein Ultrac ProMax Performance Summer	235/40R18	$174.24
Vredestein Ultrac ProMax Performance Summer	235/45R18	$174.25
Bridgestone Potenza SportMax Performance Summer	235/40R18	$231.63
Bridgestone Potenza SportMax Performance Summer	235/45R18	$257.81
Pirelli P Zero AS Plus 3 Ultra High Performance All-Season	215/45R18	$188.69
Continental ExtremeContact DWS 06 PlusUltra High Performance All-Season	215/45R18	$185.99
Bridgestone Potenza RE980AS+Ultra High Performance All-Season	215/45R18	$178.33
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	215/45R18	$209.99
Pirelli P Zero AS Plus 3 Ultra High Performance All-Season	235/40R18	$202.05
Pirelli P Zero AS Plus 3 Ultra High Performance All-Season	235/45R18	$226.04
Continental ExtremeContact DWS 06 PlusUltra High Performance All-Season	235/40R18	$191.99
Continental ExtremeContact DWS 06 PlusUltra High Performance All-Season	235/45R18	$200.99
Bridgestone Potenza RE980AS+Ultra High Performance All-Season	235/40R18	$175.26
Bridgestone Potenza RE980AS+Ultra High Performance All-Season	235/45R18	$199.76
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	235/40R18	$218.99
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	235/45R18	$224.99
Nitto Neo GenUltra High Performance All-Season	235/40R18	$184.00
Michelin CrossClimate2Grand Touring All-Season	215/50R18	$264.99
Vredestein Quatrac Pro+Grand Touring All-Season	215/45R18	$186.77
Vredestein Quatrac Pro+Grand Touring All-Season	215/50R18	$188.77
Goodyear Assurance WeatherReady2Grand Touring All-Season	215/45R18	$201.99
Goodyear Assurance WeatherReady2Grand Touring All-Season	215/50R18	$262.99
Michelin CrossClimate2Grand Touring All-Season	235/40R18	$265.99
Michelin CrossClimate2Grand Touring All-Season	235/45R18	$242.99
Vredestein Quatrac Pro+Grand Touring All-Season	235/40R18	$202.77
Vredestein Quatrac Pro+Grand Touring All-Season	235/45R18	$218.77
Continental SecureContact AWGrand Touring All-Season	235/45R18	$211.99
Goodyear Assurance WeatherReady2Grand Touring All-Season	235/40R18	$262.99
Goodyear Assurance WeatherReady2Grand Touring All-Season	235/45R18	$240.99
Vredestein Wintrac Pro+Performance Winter / Snow	215/50R18	$174.81
Michelin Pilot Alpin 5Performance Winter / Snow	235/40R18	$301.72
Vredestein Wintrac Pro+Performance Winter / Snow	235/45R18	$190.25
Michelin X-Ice SnowStudless Ice & Snow	235/45R18	$211.12
Bridgestone Blizzak WS90Studless Ice & Snow	235/40R18	$312.50
Bridgestone Blizzak WS90Studless Ice & Snow	235/45R18	$232.33

Price availability updated May 2026. Actual prices may vary.

Tire Recommendations

Extreme Performance Summer

Track days, autocross, and maximum dry grip

Bridgestone Potenza RE-71RS

Treadwear: 200

225/45R18 235/45R17 -1", +10mm 245/45R17 -1", +20mm 215/45R18 -10mm 235/40R18 +10mm 255/40R18 +30mm 295/35R18 +70mm 235/35R19 +1", +10mm 235/40R19 +1", +10mm 245/40R19 +1", +20mm 265/35R19 +1", +40mm 275/35R19 +1", +50mm 305/30R19 +1", +80mm

Hoosier Track Attack Pro

Treadwear: 200

245/40R18 +20mm 265/35R18 +40mm 265/40R18 +40mm 275/35R18 +50mm 295/35R18 +70mm 245/35R19 +1", +20mm 265/30R19 +1", +40mm 265/35R19 +1", +40mm 275/35R19 +1", +50mm 295/30R19 +1", +70mm 305/30R19 +1", +80mm

Nankang Sportnex CR-S

Treadwear: 200

235/45R17 -1", +10mm 235/40R18 +10mm 245/40R18 +20mm 265/35R18 +40mm 275/35R18 +50mm 275/40R18 +50mm 295/35R18 +70mm 235/35R19 +1", +10mm 245/35R19 +1", +20mm 265/30R19 +1", +40mm 265/35R19 +1", +40mm 275/35R19 +1", +50mm 285/30R19 +1", +60mm 295/30R19 +1", +70mm 305/30R19 +1", +80mm

Vitour Tempesta P1 P-01R

Treadwear: 200

235/45R17 -1", +10mm 235/40R18 +10mm 245/40R18 +20mm 265/35R18 +40mm 265/40R18 +40mm 275/35R18 +50mm 275/40R18 +50mm 235/35R19 +1", +10mm 235/40R19 +1", +10mm 245/35R19 +1", +20mm 245/40R19 +1", +20mm 255/35R19 +1", +30mm 265/35R19 +1", +40mm 275/35R19 +1", +50mm 295/30R19 +1", +70mm 305/30R19 +1", +80mm

Yokohama Advan A052

Treadwear: 200

235/45R17 -1", +10mm 235/40R18 +10mm 235/45R18 +10mm 245/40R18 +20mm 255/40R18 +30mm 265/35R18 +40mm 265/40R18 +40mm 275/40R18 +50mm 295/35R18 +70mm 235/40R19 +1", +10mm 245/35R19 +1", +20mm 255/35R19 +1", +30mm 275/35R19 +1", +50mm

Falken Azenis RT660+

Treadwear: 200

235/45R17 -1", +10mm 245/45R17 -1", +20mm 275/40R17 -1", +50mm 235/40R18 +10mm 245/40R18 +20mm 255/40R18 +30mm 265/35R18 +40mm 275/35R18 +50mm 245/35R19 +1", +20mm 265/35R19 +1", +40mm 275/30R19 +1", +50mm 275/35R19 +1", +50mm 305/30R19 +1", +80mm

BFGoodrich g-Force Rival +

Treadwear: 200

245/40R18 +20mm 275/35R18 +50mm 295/35R18 +70mm 275/35R19 +1", +50mm 305/30R19 +1", +80mm

BFGoodrich g-Force Rival S 1.5

Treadwear: 200

245/40R18 +20mm 275/35R18 +50mm 295/35R18 +70mm 275/35R19 +1", +50mm 305/30R19 +1", +80mm

Kumho Ecsta V730

Treadwear: 200

235/45R17 -1", +10mm 245/45R17 -1", +20mm 235/40R18 +10mm 245/40R18 +20mm 265/35R18 +40mm 275/35R18 +50mm 235/35R19 +1", +10mm 245/35R19 +1", +20mm 275/35R19 +1", +50mm 305/30R19 +1", +80mm

Michelin Pilot Sport Cup 2 (240)

Treadwear: 240

235/40R18 +10mm 245/40R18 +20mm 265/35R18 +40mm 275/35R18 +50mm 225/35R19 +1" 225/40R19 +1" 235/35R19 +1", +10mm 235/40R19 +1", +10mm 245/35R19 +1", +20mm 245/40R19 +1", +20mm 255/35R19 +1", +30mm 265/30R19 +1", +40mm 265/35R19 +1", +40mm 275/35R19 +1", +50mm 295/30R19 +1", +70mm 305/30R19 +1", +80mm

Continental ExtremeContact Force

Treadwear: 200

245/40R18 +20mm 275/35R18 +50mm 235/35R19 +1", +10mm 265/35R19 +1", +40mm 295/30R19 +1", +70mm

Hankook Ventus R-S4

Treadwear: 200

235/40R18 +10mm 245/40R18 +20mm 265/35R18 +40mm 265/40R18 +40mm 275/35R18 +50mm 275/40R18 +50mm 285/35R18 +60mm 305/30R19 +1", +80mm

Max Performance Summer

Spirited street driving and occasional track use

Kumho Ecsta Sport S

Treadwear: 260

265/35R18 +40mm 225/35R19 +1" 225/40R19 +1" 235/35R19 +1", +10mm 245/35R19 +1", +20mm 255/35R19 +1", +30mm 265/30R19 +1", +40mm 265/35R19 +1", +40mm 275/35R19 +1", +50mm 285/30R19 +1", +60mm

Michelin Pilot Sport 4

Treadwear: 320

225/45R18 235/40R18 +10mm 235/45R18 +10mm 245/40R18 +20mm 225/40R19 +1" 245/40R19 +1", +20mm 255/35R19 +1", +30mm

Vredestein Ultrac Pro

Treadwear: None

225/45R18 215/45R18 -10mm 235/40R18 +10mm 235/45R18 +10mm 245/40R18 +20mm 245/45R18 +20mm 255/40R18 +30mm 225/35R19 +1" 225/40R19 +1" 235/35R19 +1", +10mm 235/40R19 +1", +10mm 245/35R19 +1", +20mm 245/40R19 +1", +20mm 255/35R19 +1", +30mm 265/35R19 +1", +40mm 275/30R19 +1", +50mm 275/35R19 +1", +50mm

Ultra High Performance All-Season

Year-round daily driving with performance capability

Pirelli P Zero AS Plus 3

Treadwear: 560

225/45R18 225/50R17 -1" 215/45R18 -10mm 235/40R18 +10mm 235/45R18 +10mm 245/40R18 +20mm 245/45R18 +20mm 255/40R18 +30mm 265/35R18 +40mm 225/40R19 +1" 235/35R19 +1", +10mm 235/40R19 +1", +10mm 245/40R19 +1", +20mm 255/35R19 +1", +30mm 275/35R19 +1", +50mm

Nitto Neo Gen

Treadwear: 280

235/40R18 +10mm 245/40R18 +20mm 245/35R19 +1", +20mm

Grand Touring All-Season

Comfortable, long-wearing all-season tires for daily driving

Michelin CrossClimate2

Treadwear: 640

225/45R18 205/55R17 -1", -20mm 215/50R17 -1", -10mm 215/55R17 -1", -10mm 225/50R17 -1" 225/55R17 -1" 235/50R17 -1", +10mm 245/45R17 -1", +20mm 215/50R18 -10mm 235/40R18 +10mm 235/45R18 +10mm 245/40R18 +20mm 245/45R18 +20mm 235/40R19 +1", +10mm

Continental SecureContact AW

Treadwear: 700

225/45R18 215/50R17 -1", -10mm 215/55R17 -1", -10mm 225/50R17 -1" 225/55R17 -1" 235/45R18 +10mm 245/45R18 +20mm 235/40R19 +1", +10mm

Goodyear Assurance WeatherReady2

Treadwear: 700

225/45R18 205/55R17 -1", -20mm 215/50R17 -1", -10mm 215/55R17 -1", -10mm 225/50R17 -1" 225/55R17 -1" 215/45R18 -10mm 215/50R18 -10mm 235/40R18 +10mm 235/45R18 +10mm 245/40R18 +20mm 245/45R18 +20mm 225/40R19 +1" 235/40R19 +1", +10mm 245/40R19 +1", +20mm

On-Road All-Terrain

Pavement-primary with light off-road and gravel capability

Falken WildPeak A/T Trail

Treadwear: 620

215/55R17 -1", -10mm 225/55R17 -1"

Nitto Nomad Grappler

Treadwear: 620

225/55R17 -1"

Vredestein Pinza AT

Treadwear: 620

225/55R17 -1"

Yokohama Geolandar A/T4

Treadwear: 700

225/55R17 -1"

How to Use This Information

Stay within 3%: All listed tire sizes maintain proper speedometer accuracy and vehicle dynamics
Consider aspect ratio: Lower numbers mean shorter sidewalls (better handling, harsher ride)
Treadwidth matters: Wider tires typically offer more grip but may reduce fuel economy
Check clearance: Ensure your vehicle has adequate wheel well and suspension clearance

Want to look up compatibility for a different tire size? Use our tire size compatibility lookup

225/45R18 Compatible Tire Sizes

225/45R18 Specifications

17" Wheel Diameter

18" Wheel Diameter (Original)

19" Wheel Diameter

Current Tire Pricing

Tire Recommendations

Extreme Performance Summer

Bridgestone Potenza RE-71RZ

Bridgestone Potenza RE-71RS

Hoosier Track Attack Pro

Nankang Sportnex CR-S

Vitour Tempesta P1 P-01R

Yokohama Advan A052

Falken Azenis RT660+

BFGoodrich g-Force Rival +

BFGoodrich g-Force Rival S 1.5

Kumho Ecsta V730

Michelin Pilot Sport Cup 2 (240)

Continental ExtremeContact Force

Hankook Ventus R-S4

Max Performance Summer

Continental ExtremeContact Sport

Kumho Ecsta Sport S

Michelin Pilot Sport 4S

Michelin Pilot Sport 4

Vredestein Ultrac Pro

Bridgestone Potenza Sport

Ultra High Performance All-Season

Pirelli P Zero AS Plus 3

Continental ExtremeContact DWS 06 Plus

Bridgestone Potenza RE980AS+

Michelin Pilot Sport All Season 4

Nitto Neo Gen

Grand Touring All-Season

Michelin CrossClimate2

Vredestein Quatrac Pro+

Continental SecureContact AW

Goodyear Assurance WeatherReady2

On-Road All-Terrain

Falken WildPeak A/T Trail

Nitto Nomad Grappler

Vredestein Pinza AT

Yokohama Geolandar A/T4

How to Use This Information