Smart Tires and Wheels | OEM Sizes by Model and Year
Discover comprehensive tire and wheel size specifications for all Smart vehicle models. Our catalog organizes each model with year-sorted OEM tire size markings following metric codes to help you find exact replacements or upgrades.\n\nEach model page includes detailed references for rim widths and diameters, making it easy to match factory specifications and ensure safety and performance. Whether you need tires for the Smart Fortwo or other Smart vehicles, use our data to make informed decisions.\n\nMaintaining the correct tire size and rim dimensions is essential for optimal handling and vehicle integrity. Our catalog is designed to provide accurate, up-to-date OEM information straight from the manufacturer’s specifications.\n\nBrowse through the Smart model listings to access precise tire and wheel fitment details for your vehicle’s year and variant. This reliable resource supports both DIY enthusiasts and professional technicians.
6 models
- 2006, 2005, 2004Forfour175/65R14
- 2019, 2018, 2017, 2016, 2015, 2014Forfour HB175/65R14
- 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007Fortwo Cabrio145/65R15, 155/60R15
- 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004Fortwo Coupe145/65R15, 155/60R15
- 2005, 2004, 2003Roadster185/55R15
- 2005, 2004, 2003Roadster Coupe185/55R15
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |
Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |