Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 195/70-13 | 185/80-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 23.75 (603.2) | 24.65 (626.2) | 0.91 (23) 3.8% |
| Width inches (mm) | 7.68 (195) | 7.28 (185) | -0.39 (-10) -5.1% |
| Circum. inches (mm) | 74.61 (1895.01) | 77.45 (1967.27) | 2.84 (72.26) 3.8% |
| Sidewall Height inches (mm) | 5.37 (136.5) | 5.83 (148) | 0.45 (11.5) 8.4% |
| Revolutions per mile (km) | 849.25 (527.7) | 818.06 (508.32) | -31.19 (-19.38) -3.7% |
185/80-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.76 mph (33.41 km/h) |
| 25 mph (40.23 km/h) | 25.95 mph (41.77 km/h) |
| 30 mph (48.28 km/h) | 31.14 mph (50.12 km/h) |
| 35 mph (56.33 km/h) | 36.33 mph (58.47 km/h) |
| 40 mph (64.37 km/h) | 41.53 mph (66.83 km/h) |
| 45 mph (72.42 km/h) | 46.72 mph (75.18 km/h) |
| 50 mph (80.47 km/h) | 51.91 mph (83.54 km/h) |
| 55 mph (88.51 km/h) | 57.1 mph (91.89 km/h) |
| 60 mph (96.56 km/h) | 62.29 mph (100.24 km/h) |
| 65 mph (104.61 km/h) | 67.48 mph (108.6 km/h) |
| 70 mph (112.65 km/h) | 72.67 mph (116.95 km/h) |
| 75 mph (120.7 km/h) | 77.86 mph (125.3 km/h) |
| 80 mph (128.75 km/h) | 83.05 mph (133.66 km/h) |
| 85 mph (136.79 km/h) | 88.24 mph (142.01 km/h) |
| 90 mph (144.84 km/h) | 93.43 mph (150.36 km/h) |
| 95 mph (152.89 km/h) | 98.62 mph (158.72 km/h) |
| 100 mph (160.93 km/h) | 103.81 mph (167.07 km/h) |
| 2.35 | 2.73 | 2.94 | 3.07 | 3.21 | 3.31 | 3.42 | 3.55 | 3.73 | 3.91 | 4.11 | 4.27 | 4.56 | 4.88 | 5.13 | 5.29 | 5.38 | 5.71 | 6.17 | 7.17 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2082 | 2418 | 2604 | 2720 | 2844 | 2932 | 3030 | 3145 | 3304 | 3464 | 3641 | 3783 | 4040 | 4323 | 4545 | 4686 | 4766 | 5058 | 5466 | 6352 |
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