T175/90R18 Spare Tire
T175/90R18 is a spare tire with a radial construction that requires a 18" wheel. It is designed to provide temporary mobility for your vehicle in the event of a flat tire due to puncture. T175/90R18 spare fits a variety of vehicles with tire diameter range of 29.5" to 31.3" tall.
If you need a spare tire cover, you need to know the tire diameter. T175/90R18 spare has a diameter of 30.4 inches.
T175/90R18 spare is also available in bias or diagonal ply construction as T175/90D18.
How to read T175/90R18 spare tire size?
T175/90R18 is a Temporary Spare tire that is designed as a short term solution intended for emergency use only. Let's take a closer look at each aspect of T175/90R18 tire dimensions.
T stands for temporary spare tire type. 175 is the width of the tire in millimeters. This tire is 175 mm wide from one sidewall to the other. 90 is the aspect ratio. It represents the height of the sidewall as a percentage of the tire's width. In this case, the sidewall height of the tire is 90% of its width. 18 is the diameter of the wheel in inches. This tire is designed to fit on a 18-inch wheel.
| Metric | Inches | |
|---|---|---|
| Tread Width | 175 mm | 6.9" |
| Aspect Ratio | 90% | |
| Rim Diameter | 457 mm | 18" |
| Tire Diameter | 773 mm | 30.4" |
| Sidewall Height | 158 mm | 6.2" |
| Circumference | 2427 mm | 95.5" |
| Revolutions | 412 per km | 663 per mile |
What tires can be temporarily replaced with a T175/90R18 spare?
T175/90R18 spare should only be used as a replacement for a tire of similar size. Since this is a 18-inch tire, it should ideally be used as a replacement for another 18-inch tire. However, it could potentially be used as a temporary replacement for any tire, as long as its overall diameter is not significantly different from the original tire.
It is important to note that spare tires have a speed limit, and should not be driven for long distances.
| OEM Tire Size | Diameter Differential |
|---|---|
| P265/70R15 | -2.6% |
| 265/70R15 | -2.6% |
| P265/75R15 | 0.8% |
| P275/70R16 | 2.5% |
| 255/70R16 | -1.2% |
| P245/75R16 | 0.1% |
| P255/70R16 | -1.2% |
| P265/70R16 | 0.6% |
| P235/75R16 | -1.9% |
| 265/70R16 | 0.6% |
| P245/70R16 | -3% |
| 255/65R17 | -1.2% |
| P235/75R17 | 1.4% |
| P255/65R17 | -1.2% |
| P245/65R17 | -3% |
| P245/70R17 | 0.4% |
| 265/65R17 | 0.4% |
| P235/70R17 | -1.4% |
| P255/70R17 | 2.2% |
| P275/60R17 | -1.4% |
| 245/65R17 | -3% |
| 245/70R17 | 0.4% |
| 235/70R17 | -1.4% |
| P265/65R17 | 0.4% |
| P275/65R17 | 2.2% |
| P265/60R17 | -3% |
| 255/70R17 | 2.2% |
| P275/55R18 | -1.8% |
| P245/60R18 | -2.8% |
| P235/65R18 | -1.3% |
| 235/65R18 | -1.3% |
| P275/60R18 | 1.8% |
| 245/60R18 | -2.8% |
| 255/60R18 | -1.3% |
| P255/65R18 | 2.1% |
| 255/65R18 | 2.1% |
| P265/60R18 | 0.3% |
| P255/60R18 | -1.3% |
| 265/60R18 | 0.3% |
| 285/55R18 | -0.3% |
| P255/60R19 | 2.1% |
| P245/55R19 | -2.6% |
| 275/50R19 | -1.8% |
| 235/60R19 | -1% |
| 255/55R19 | -1.3% |
| 245/55R19 | -2.6% |
| 255/60R19 | 2.1% |
| 235/65R19 | 2.1% |
| 275/55R19 | 1.6% |
| 265/55R19 | 0.3% |
| 275/45R20 | -2.2% |
| 235/60R20 | 2.2% |
| 265/50R20 | 0.1% |
| P255/50R20 | -1.2% |
| P255/55R20 | 1.9% |
| P275/45R20 | -2.2% |
| 245/50R20 | -2.5% |
| 255/50R20 | -1.2% |
| 235/55R20 | -0.9% |
| P245/50R20 | -2.5% |
| 285/45R20 | -1.2% |
| 255/55R20 | 1.9% |
| 305/40R20 | -2.7% |
| 295/45R20 | 0.1% |
| P235/55R20 | -0.9% |
| 275/50R20 | 1.4% |
| P285/50R20 | 2.7% |
| P265/50R20 | 0.1% |
| 285/50R20 | 2.7% |
| 255/45R21 | -1.3% |
| 325/40R21 | 2.6% |
| 315/40R21 | 1.6% |
| 245/45R21 | -2.6% |
| 315/35R21 | -2.6% |
| 255/50R21 | 2.1% |
| P265/45R21 | -0.3% |
| 275/40R21 | -2.6% |
| 295/40R21 | -0.5% |
| 265/45R21 | -0.3% |
| 275/45R21 | 1% |
| 235/50R21 | -0.5% |
| 285/40R21 | -1.6% |
| 285/45R21 | 2.1% |
| 325/35R22 | 1.8% |
| 295/40R22 | 2.8% |
| 285/40R22 | 1.8% |
| 295/35R22 | -1% |
| 315/35R22 | 0.8% |
| 285/35R22 | -1.8% |
| 275/40R22 | 0.8% |
| 275/35R22 | -2.8% |
| P265/40R22 | -0.3% |
| 265/40R22 | -0.3% |
| 255/45R22 | 2.1% |
| 255/40R22 | -1.3% |
| 255/40R23 | 1.9% |
| 325/30R23 | 0.9% |
| 285/35R23 | 1.4% |
| 295/35R23 | 2.2% |
| 315/30R23 | 0.1% |
What vehicles can use T175/90R18 spare tire?
There are 245 vehicle models that can potentially use T175/90R18 as a spare tire. It is important to note that spare tire should match the specifications of the vehicle it is used on. T175/90R18 spare should ideally have the same or higher load index to ensure adequate load capacity to be able to carry your vehicle's weight. It is best to consult your vehicle's owner manual or contact the manufacturer to determine if T175/90R18 spare tire is appropriate for your vehicle.
- Acura MDX
- Acura SLX
- Acura ZDX
- Aston Martin DBX
- Aston Martin DBX707
- Audi e-tron Quattro
- Audi e-tron S
- Audi e-tron S Sportback
- Audi e-tron Sportback
- Audi Q6 e-tron
- Audi Q7
- Audi Q8
- Audi Q8 e-tron
- Audi Q8 e-tron Sportback
- Audi RS Q8
- Audi SQ6 e-tron
- Audi SQ7
- Audi SQ8
- Audi SQ8 e-tron
- Audi SQ8 e-tron Sportback
- Bentley Bentayga
- Bentley Bentayga EWB
- Bentley Continental
- Bentley Flying Spur
- BMW Alpina XB7
- BMW iX
- BMW X5
- BMW X6
- BMW X7
- BMW XM
- Buick Enclave
- Buick Rainier
- Cadillac Escalade
- Cadillac LYRIQ
- Cadillac OPTIQ
- Cadillac SRX
- Cadillac XT5
- Cadillac XT6
- Chevrolet Avalanche 1500
- Chevrolet Blazer
- Chevrolet Blazer EV
- Chevrolet Colorado
- Chevrolet Equinox EV
- Chevrolet Express 1500
- Chevrolet K1500
- Chevrolet K1500 Suburban
- Chevrolet Silverado 1500
- Chevrolet Silverado 1500 Classic
- Chevrolet Silverado 1500 HD
- Chevrolet Silverado 1500 LD
- Chevrolet Silverado 1500 LTD
- Chevrolet Suburban 1500
- Chevrolet Tahoe
- Chevrolet Trailblazer
- Chevrolet Trailblazer EXT
- Chevrolet Traverse
- Chevrolet Traverse Limited
- Chrysler Aspen
- Chrysler Pacifica
- Dodge Dakota
- Dodge Durango
- Dodge Nitro
- Dodge Ram 1500
- Dodge Ram 1500 Van
- Ferrari Purosangue
- Fisker Karma
- Fisker Ocean
- Ford Bronco
- Ford Edge
- Ford Expedition
- Ford Explorer
- Ford Explorer Sport Trac
- Ford F-150
- Ford F-150 Heritage
- Ford F-250
- Ford Police Interceptor Utility
- Ford Ranger
- Genesis GV80
- Genesis GV80 Coupe
- GMC Acadia
- GMC Acadia Limited
- GMC Canyon
- GMC Envoy
- GMC Envoy XL
- GMC Envoy XUV
- GMC K1500
- GMC K1500 Suburban
- GMC Savana 1500
- GMC Sierra 1500
- GMC Sierra 1500 Classic
- GMC Sierra 1500 HD
- GMC Yukon
- GMC Yukon XL 1500
- Honda Passport
- Honda Pilot
- Honda Prologue
- Honda Ridgeline
- Hyundai Palisade
- Hyundai Santa Cruz
- Hyundai Santa Fe
- Hyundai Veracruz
- Infiniti FX35
- Infiniti FX37
- Infiniti FX45
- Infiniti FX50
- Infiniti JX35
- Infiniti QX4
- Infiniti QX60
- Infiniti QX70
- Isuzu Amigo
- Isuzu Ascender
- Isuzu i-350
- Isuzu i-370
- Isuzu Rodeo
- Isuzu Rodeo Sport
- Isuzu Trooper
- Isuzu VehiCROSS
- Jaguar E-Pace
- Jaguar F-Pace
- Jaguar I-Pace
- Jeep Cherokee
- Jeep Commander
- Jeep Grand Cherokee
- Jeep Grand Cherokee L
- Jeep Grand Cherokee WK
- Jeep Liberty
- Jeep Wrangler
- Jeep Wrangler JK
- Karma GS-6
- Karma Revero
- Kia Borrego
- Kia EV9
- Kia Sorento
- Kia Telluride
- Lamborghini Urus
- Land Rover Discovery
- Land Rover Discovery Sport
- Land Rover LR3
- Land Rover LR4
- Land Rover Range Rover
- Land Rover Range Rover Evoque
- Land Rover Range Rover Sport
- Land Rover Range Rover Velar
- Lexus GX460
- Lexus GX470
- Lexus LX450
- Lexus LX470
- Lexus LX570
- Lexus RX350
- Lexus RX350h
- Lexus RX350L
- Lexus RX450h
- Lexus RX450h+
- Lexus RX450hL
- Lexus RX500h
- Lexus TX350
- Lexus TX500h
- Lexus TX550h+
- Lincoln Aviator
- Lincoln Blackwood
- Lincoln Mark LT
- Lincoln MKX
- Lincoln Nautilus
- Lincoln Navigator
- Maybach 57
- Maybach 62
- Mazda B3000
- Mazda B4000
- Mazda CX-70
- Mazda CX-9
- Mazda CX-90
- Mercedes-Benz EQE AMG SUV
- Mercedes-Benz EQE SUV AMG
- Mercedes-Benz EQS 450 SUV
- Mercedes-Benz EQS 450+ SUV
- Mercedes-Benz EQS 53 AMG
- Mercedes-Benz EQS AMG
- Mercedes-Benz EQS SUV 450
- Mercedes-Benz EQS SUV 450+
- Mercedes-Benz EQS SUV 580
- Mercedes-Benz G500
- Mercedes-Benz G55 AMG
- Mercedes-Benz G550
- Mercedes-Benz G580
- Mercedes-Benz G63 AMG
- Mercedes-Benz G65 AMG
- Mercedes-Benz GL320
- Mercedes-Benz GL350
- Mercedes-Benz GL450
- Mercedes-Benz GL550
- Mercedes-Benz GL63 AMG
- Mercedes-Benz GLE350
- Mercedes-Benz GLE43 AMG
- Mercedes-Benz GLE450
- Mercedes-Benz GLE450 AMG
- Mercedes-Benz GLE450e
- Mercedes-Benz GLE53 AMG
- Mercedes-Benz GLE580
- Mercedes-Benz GLE63 AMG S
- Mercedes-Benz GLS350d
- Mercedes-Benz GLS450
- Mercedes-Benz GLS550
- Mercedes-Benz GLS580
- Mercedes-Benz GLS63 AMG
- Mercedes-Benz Maybach EQS 680 SUV
- Mercury Mountaineer
- Mitsubishi Montero
- Mitsubishi Montero Sport
- Mitsubishi Raider
- Mobility Ventures MV-1
- Nissan Frontier
- Nissan Murano
- Nissan Pathfinder
- Nissan Xterra
- Oldsmobile Bravada
- Polestar 3
- Porsche Cayenne
- Porsche Macan
- RAM Dakota
- Rolls-Royce Cullinan
- Rolls-Royce Phantom
- Rolls-Royce Spectre
- Saab 9-4X
- Saab 9-7X
- Saturn Outlook
- Subaru Ascent
- Suzuki Equator
- Tesla Model X
- Toyota 4Runner
- Toyota FJ Cruiser
- Toyota Grand Highlander
- Toyota Highlander
- Toyota Land Cruiser
- Toyota Sequoia
- Toyota T100
- Toyota Tacoma
- Toyota Tundra
- Toyota Venza
- VinFast VF9
- Volkswagen Atlas
- Volkswagen Atlas Cross Sport
- Volkswagen Touareg
- Volvo EX90
- Volvo XC90
- VPG MV-1
All listed guides, data and/or calculations are for informational purposes only. Spare-Tires.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information.