245/40R20 Compatible Tire Sizes

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245/40R20 Specifications

Recommended Rim Width

7–9 in

Measuring: 8 in

7" 9"

Overall Diameter

70.4 cm

27.7 in

Sidewall Height

9.8 cm

3.9 in

Visible Sidewall

8.1 cm

3.2 in

Closest Match per Treadwidth See all 17 sizes →

Tire Size	Dia. (cm)	% Diff	@ 60 mph
235/40R20	69.6	-1.1%	59.3 mph
245/40R20Original	70.4	+0.0%	60.0 mph
255/40R20	71.2	+1.1%	60.7 mph
265/35R20	69.3	-1.5%	59.1 mph
275/35R20	70.0	-0.5%	59.7 mph

Use the interactive lookup →

68 compatible alternatives within 3% of the original diameter, organized by wheel diameter. The closest match per tread width within each section is shown in italics. All sizes are theoretical and may not actually be produced. Click a size to verify commercial availability.

Tire Size	Diameter (cm)	Sidewall (cm)	Visible SW (cm)	% Diff	Speed @ 30mph	Speed @ 60mph
225/45R19	68.5	10.1	8.4	-2.7%	29.2 mph	58.4 mph
225/50R19	70.8	11.3	9.5	+0.5%	30.2 mph	60.3 mph
235/45R19	69.4	10.6	8.8	-1.4%	29.6 mph	59.2 mph
235/50R19	71.8	11.8	10.0	+1.9%	30.6 mph	61.2 mph
245/45R19	70.3	11.0	9.3	-0.1%	30.0 mph	59.9 mph
255/40R19	68.7	10.2	8.5	-2.5%	29.3 mph	58.5 mph
255/45R19	71.2	11.5	9.7	+1.2%	30.3 mph	60.7 mph
265/40R19	69.5	10.6	8.9	-1.3%	29.6 mph	59.2 mph
265/45R19	72.1	11.9	10.2	+2.4%	30.7 mph	61.5 mph
275/40R19	70.3	11.0	9.3	-0.2%	29.9 mph	59.9 mph
285/40R19	71.1	11.4	9.7	+0.9%	30.3 mph	60.6 mph
295/35R19	68.9	10.3	8.6	-2.1%	29.4 mph	58.7 mph
295/40R19	71.9	11.8	10.1	+2.1%	30.6 mph	61.2 mph
305/35R19	69.6	10.7	8.9	-1.1%	29.7 mph	59.3 mph
315/35R19	70.3	11.0	9.3	-0.1%	30.0 mph	59.9 mph
325/35R19	71.0	11.4	9.6	+0.9%	30.3 mph	60.5 mph

Tire Size	Diameter (cm)	Sidewall (cm)	Visible SW (cm)	% Diff	Speed @ 30mph	Speed @ 60mph
225/40R20	68.8	9.0	7.3	-2.3%	29.3 mph	58.6 mph
225/45R20	71.0	10.1	8.4	+0.9%	30.3 mph	60.6 mph
235/40R20	69.6	9.4	7.7	-1.1%	29.7 mph	59.3 mph
235/45R20	72.0	10.6	8.8	+2.2%	30.7 mph	61.3 mph
245/40R20(Original)	70.4	9.8	8.1	+0.0%	30.0 mph	60.0 mph
255/35R20	68.6	8.9	7.2	-2.5%	29.3 mph	58.5 mph
255/40R20	71.2	10.2	8.5	+1.1%	30.3 mph	60.7 mph
265/35R20	69.3	9.3	7.5	-1.5%	29.6 mph	59.1 mph
265/40R20	72.0	10.6	8.9	+2.3%	30.7 mph	61.4 mph
275/35R20	70.0	9.6	7.9	-0.5%	29.9 mph	59.7 mph
285/35R20	70.8	10.0	8.2	+0.5%	30.1 mph	60.3 mph
295/30R20	68.5	8.8	7.1	-2.7%	29.2 mph	58.4 mph
295/35R20	71.4	10.3	8.6	+1.5%	30.4 mph	60.9 mph
305/30R20	69.1	9.2	7.4	-1.8%	29.4 mph	58.9 mph
305/35R20	72.1	10.7	8.9	+2.5%	30.7 mph	61.5 mph
315/30R20	69.7	9.4	7.7	-1.0%	29.7 mph	59.4 mph
325/30R20	70.3	9.8	8.0	-0.1%	30.0 mph	59.9 mph

Tire Size	Diameter (cm)	Sidewall (cm)	Visible SW (cm)	% Diff	Speed @ 30mph	Speed @ 60mph
225/35R21	69.1	7.9	6.1	-1.9%	29.4 mph	58.9 mph
225/40R21	71.3	9.0	7.3	+1.3%	30.4 mph	60.8 mph
235/35R21	69.8	8.2	6.5	-0.9%	29.7 mph	59.5 mph
235/40R21	72.1	9.4	7.7	+2.5%	30.7 mph	61.5 mph
245/35R21	70.5	8.6	6.8	+0.1%	30.0 mph	60.1 mph
255/30R21	68.6	7.6	5.9	-2.5%	29.3 mph	58.5 mph
255/35R21	71.2	8.9	7.2	+1.1%	30.3 mph	60.7 mph
265/30R21	69.2	7.9	6.2	-1.6%	29.5 mph	59.0 mph
265/35R21	71.9	9.3	7.5	+2.1%	30.6 mph	61.3 mph
275/30R21	69.8	8.3	6.5	-0.8%	29.8 mph	59.5 mph
285/30R21	70.4	8.5	6.8	+0.1%	30.0 mph	60.0 mph
295/30R21	71.0	8.8	7.1	+0.9%	30.3 mph	60.5 mph
305/25R21	68.6	7.6	5.9	-2.6%	29.2 mph	58.5 mph
305/30R21	71.6	9.2	7.4	+1.8%	30.5 mph	61.1 mph
315/25R21	69.1	7.9	6.1	-1.9%	29.4 mph	58.9 mph
315/30R21	72.2	9.4	7.7	+2.6%	30.8 mph	61.6 mph
325/25R21	69.6	8.1	6.4	-1.2%	29.7 mph	59.3 mph

Current Tire Pricing

Tire	Size	Price / Tire
Original Size245/40R20
Continental ExtremeContact SportMax Performance Summer	245/40R20	$333.99Tire Rack →
Kumho Ecsta Sport SMax Performance Summer	245/40R20	$231.92Tire Rack →
Michelin Pilot Sport 4SMax Performance Summer	245/40R20	$399.99Tire Rack →
Vredestein Ultrac ProMax Performance Summer	245/40R20	$206.79Tire Rack →
Pirelli P Zero AS Plus 3 Ultra High Performance All-Season	245/40R20	$312.50Tire Rack →
Continental ExtremeContact DWS 06 PlusUltra High Performance All-Season	245/40R20	$272.99Tire Rack →
Vredestein Hypertrac All SeasonUltra High Performance All-Season	245/40R20	$248.77Tire Rack →
Bridgestone Potenza RE980AS+Ultra High Performance All-Season	245/40R20	$238.37Tire Rack →
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	245/40R20	$309.99Tire Rack →
Michelin CrossClimate2Grand Touring All-Season	245/40R20	$336.99Tire Rack →
Vredestein Quatrac Pro+Grand Touring All-Season	245/40R20	$270.77Tire Rack →
Bridgestone Blizzak LM-32Performance Winter / Snow	245/40R20	$376.11Tire Rack →
Vredestein Wintrac Pro+Performance Winter / Snow	245/40R20	$252.95Tire Rack →
Michelin X-Ice SnowStudless Ice & Snow	245/40R20	$299.40Tire Rack →
Continental PremiumContact 6Grand Touring Summer	245/40R20	$353.77Tire Rack →
Alternative Size255/35R20, 255/40R20, 235/40R20, 235/45R20
Nankang Sportnex CR-SExtreme Performance Summer	255/35R20	$429.00Tire Rack →
Vitour Tempesta P1 P-01RExtreme Performance Summer	255/35R20	$429.00Tire Rack →
Yokohama Advan A052Extreme Performance Summer	255/40R20	$389.99Tire Rack →
Michelin Pilot Sport Cup 2 (240)Extreme Performance Summer	255/35R20	$424.99Tire Rack →
Michelin Pilot Sport Cup 2 (240)Extreme Performance Summer	255/40R20	$419.99Tire Rack →
Michelin Pilot Sport 4SMax Performance Summer	235/40R20	$347.99Tire Rack →
Michelin Pilot Sport 4SMax Performance Summer	235/45R20	$381.99Tire Rack →
Vredestein Ultrac ProMax Performance Summer	235/45R20	$229.72Tire Rack →
Continental ExtremeContact SportMax Performance Summer	255/35R20	$311.99Tire Rack →
Continental ExtremeContact SportMax Performance Summer	255/40R20	$299.99Tire Rack →
Kumho Ecsta Sport SMax Performance Summer	255/35R20	$223.60Tire Rack →
Kumho Ecsta Sport SMax Performance Summer	255/40R20	$292.24Tire Rack →
Michelin Pilot Sport 4SMax Performance Summer	255/35R20	$349.99Tire Rack →
Michelin Pilot Sport 4SMax Performance Summer	255/40R20	$339.99Tire Rack →
Michelin Pilot Sport 4Max Performance Summer	255/35R20	Check PriceTire Rack →
Michelin Pilot Sport 4Max Performance Summer	255/40R20	$406.99Tire Rack →
Vredestein Ultrac ProMax Performance Summer	255/35R20	$209.21Tire Rack →
Vredestein Ultrac ProMax Performance Summer	255/40R20	$209.10Tire Rack →
Bridgestone Potenza SportMax Performance Summer	255/35R20	$354.99Tire Rack →
Bridgestone Potenza SportMax Performance Summer	255/40R20	$338.99Tire Rack →
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	235/40R20	$277.99Tire Rack →
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	235/45R20	$339.99Tire Rack →
Continental ExtremeContact DWS 06 PlusUltra High Performance All-Season	255/35R20	$245.99Tire Rack →
Continental ExtremeContact DWS 06 PlusUltra High Performance All-Season	255/40R20	$304.99Tire Rack →
Vredestein Hypertrac All SeasonUltra High Performance All-Season	255/35R20	$235.77Tire Rack →
Vredestein Hypertrac All SeasonUltra High Performance All-Season	255/40R20	$290.77Tire Rack →
Bridgestone Potenza RE980AS+Ultra High Performance All-Season	255/35R20	$227.91Tire Rack →
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	255/35R20	$274.99Tire Rack →
Michelin Pilot Sport All Season 4Ultra High Performance All-Season	255/40R20	$349.99Tire Rack →
Michelin CrossClimate2Grand Touring All-Season	235/45R20	$309.99Tire Rack →
Vredestein Quatrac Pro+Grand Touring All-Season	235/45R20	$255.77Tire Rack →
Goodyear Assurance WeatherReady2Grand Touring All-Season	235/45R20	$305.99Tire Rack →
Michelin CrossClimate2Grand Touring All-Season	255/40R20	$354.99Tire Rack →
Vredestein Quatrac Pro+Grand Touring All-Season	255/35R20	$279.77Tire Rack →
Vredestein Quatrac Pro+Grand Touring All-Season	255/40R20	$294.77Tire Rack →
Goodyear Assurance WeatherReady2Grand Touring All-Season	255/40R20	$340.99Tire Rack →
Nitto Nomad GrapplerOn-Road All-Terrain	255/40R20	$243.00Tire Rack →
Vredestein Wintrac Pro+Performance Winter / Snow	235/45R20	$206.27Tire Rack →
Michelin Pilot Alpin 5Performance Winter / Snow	255/40R20	$416.17Tire Rack →
Michelin Pilot Alpin PA4 N-SpecPerformance Winter / Snow	255/40R20	$400.03Tire Rack →
Vredestein Wintrac Pro+Performance Winter / Snow	255/40R20	$294.60Tire Rack →
Pirelli Scorpion WinterPerformance Winter / Snow	255/40R20	$227.65Tire Rack →
Michelin X-Ice Snow SUVStudless Ice & Snow	235/45R20	$216.98Tire Rack →
Bridgestone Blizzak DM-V2Studless Ice & Snow	235/45R20	$222.60Tire Rack →
Continental VikingContact 8Studless Ice & Snow	255/35R20	Check PriceTire Rack →

Price availability updated June 2026. Actual prices may vary.

Tire Recommendations

Extreme Performance Summer

Track days, autocross, and maximum dry grip

Bridgestone Potenza RE-71RZ

Treadwear: 200

285/35R20 +40mm

Bridgestone Potenza RE-71RS

Treadwear: 200

285/35R20 +40mm

Hoosier Track Attack Pro

Treadwear: 200

295/35R19 -1", +50mm 265/35R20 +20mm 295/30R20 +50mm 305/30R20 +60mm 315/30R20 +70mm 325/30R20 +80mm

Nankang Sportnex CR-S

Treadwear: 200

255/35R20 +10mm 265/35R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/30R20 +50mm 305/30R20 +60mm 325/30R20 +80mm 315/30R21 +1", +70mm

Vitour Tempesta P1 P-01R

Treadwear: 200

305/35R19 -1", +60mm 255/35R20 +10mm 265/35R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/30R20 +50mm 295/35R20 +50mm 305/30R20 +60mm 315/30R20 +70mm 325/30R20 +80mm 265/35R21 +1", +20mm 305/30R21 +1", +60mm 315/30R21 +1", +70mm

Yokohama Advan A052

Treadwear: 200

265/40R19 -1", +20mm 295/35R19 -1", +50mm 255/40R20 +10mm 285/35R20 +40mm 295/30R20 +50mm

Falken Azenis RT660+

Treadwear: 200

295/35R19 -1", +50mm 285/35R20 +40mm 295/30R20 +50mm 305/30R20 +60mm 305/35R20 +60mm

Michelin Pilot Sport Cup 2 (240)

Treadwear: 240

265/40R19 -1", +20mm 255/35R20 +10mm 255/40R20 +10mm 265/35R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/30R20 +50mm 295/35R20 +50mm 305/30R20 +60mm 305/35R20 +60mm 305/30R21 +1", +60mm 315/30R21 +1", +70mm

Continental ExtremeContact Force

Treadwear: 200

295/30R20 +50mm 305/30R20 +60mm

Max Performance Summer

Spirited street driving and occasional track use

Continental ExtremeContact Sport

Treadwear: 340

245/40R20 255/40R19 -1", +10mm 265/40R19 -1", +20mm 275/40R19 -1", +30mm 295/35R19 -1", +50mm 305/35R19 -1", +60mm 255/35R20 +10mm 255/40R20 +10mm 265/35R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/30R20 +50mm 295/35R20 +50mm 305/30R20 +60mm 305/35R20 +60mm 305/30R21 +1", +60mm

Kumho Ecsta Sport S

Treadwear: 260

245/40R20 255/40R19 -1", +10mm 265/40R19 -1", +20mm 295/40R19 -1", +50mm 255/35R20 +10mm 255/40R20 +10mm 265/35R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/30R20 +50mm 295/35R20 +50mm 305/30R20 +60mm 305/35R20 +60mm 245/35R21 +1" 255/30R21 +1", +10mm 265/35R21 +1", +20mm 285/30R21 +1", +40mm 295/30R21 +1", +50mm 315/30R21 +1", +70mm

Michelin Pilot Sport 4

Treadwear: 320

235/45R19 -1", -10mm 245/45R19 -1" 255/40R19 -1", +10mm 255/45R19 -1", +10mm 265/45R19 -1", +20mm 285/40R19 -1", +40mm 295/40R19 -1", +50mm 255/35R20 +10mm 255/40R20 +10mm 315/30R21 +1", +70mm

Bridgestone Potenza Sport

Treadwear: 300

225/45R19 -1", -20mm 245/45R19 -1" 255/40R19 -1", +10mm 255/45R19 -1", +10mm 265/40R19 -1", +20mm 285/40R19 -1", +40mm 255/35R20 +10mm 255/40R20 +10mm 265/35R20 +20mm 265/40R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/35R20 +50mm 305/30R20 +60mm 305/35R20 +60mm 265/35R21 +1", +20mm 305/30R21 +1", +60mm

Ultra High Performance All-Season

Year-round daily driving with performance capability

Pirelli P Zero AS Plus 3

Treadwear: 560

245/40R20 225/45R19 -1", -20mm 245/45R19 -1" 255/40R19 -1", +10mm 275/40R19 -1", +30mm 275/35R20 +30mm

Continental ExtremeContact DWS 06 Plus

Treadwear: 560

245/40R20 225/45R19 -1", -20mm 245/45R19 -1" 255/40R19 -1", +10mm 255/45R19 -1", +10mm 275/40R19 -1", +30mm 255/35R20 +10mm 255/40R20 +10mm 265/35R20 +20mm 265/40R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/30R20 +50mm 305/30R20 +60mm 245/35R21 +1" 255/35R21 +1", +10mm 265/35R21 +1", +20mm 305/30R21 +1", +60mm

Vredestein Hypertrac All Season

Treadwear: 500

245/40R20 225/45R19 -1", -20mm 245/45R19 -1" 255/40R19 -1", +10mm 255/45R19 -1", +10mm 275/40R19 -1", +30mm 255/35R20 +10mm 255/40R20 +10mm 265/35R20 +20mm 275/35R20 +30mm

Bridgestone Potenza RE980AS+

Treadwear: 500

245/40R20 225/45R19 -1", -20mm 245/45R19 -1" 255/40R19 -1", +10mm 265/40R19 -1", +20mm 275/40R19 -1", +30mm 255/35R20 +10mm 265/35R20 +20mm 275/35R20 +30mm 285/35R20 +40mm 295/30R20 +50mm 305/30R20 +60mm

Grand Touring All-Season

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

Michelin CrossClimate2

Treadwear: 640

245/40R20 235/45R19 -1", -10mm 235/50R19 -1", -10mm 245/45R19 -1" 255/40R19 -1", +10mm 255/45R19 -1", +10mm 275/40R19 -1", +30mm 235/45R20 -10mm 255/40R20 +10mm 275/35R20 +30mm

Vredestein Quatrac Pro+

Treadwear: 400

245/40R20 225/45R19 -1", -20mm 235/45R19 -1", -10mm 235/50R19 -1", -10mm 245/45R19 -1" 255/40R19 -1", +10mm 255/45R19 -1", +10mm 235/45R20 -10mm 255/35R20 +10mm 255/40R20 +10mm 245/35R21 +1" 255/35R21 +1", +10mm

Continental SecureContact AW

Treadwear: 700

235/45R19 -1", -10mm 235/50R19 -1", -10mm 245/45R19 -1" 255/45R19 -1", +10mm

Goodyear Assurance WeatherReady2

Treadwear: 700

225/45R19 -1", -20mm 235/45R19 -1", -10mm 235/50R19 -1", -10mm 245/45R19 -1" 255/45R19 -1", +10mm 235/45R20 -10mm 255/40R20 +10mm

On-Road All-Terrain

Pavement-primary with light off-road and gravel capability

Falken WildPeak A/T Trail

Treadwear: 620

235/50R19 -1", -10mm 245/45R19 -1"

Nitto Nomad Grappler

Treadwear: 620

255/40R20 +10mm

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

245/40R20 Compatible Tire Sizes

245/40R20 Specifications

19" Wheel Diameter

20" Wheel Diameter (Original)

21" 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+

Michelin Pilot Sport Cup 2 (240)

Continental ExtremeContact Force

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

Vredestein Hypertrac All Season

Bridgestone Potenza RE980AS+

Michelin Pilot Sport All Season 4

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

How to Use This Information