Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 135/80-16 | 205/55-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.5 (622.4) | 23.88 (606.5) | -0.63 (-15.9) -2.6% |
| Width inches (mm) | 5.31 (135) | 8.07 (205) | 2.76 (70) 51.9% |
| Circum. inches (mm) | 76.98 (1955.33) | 75.01 (1905.38) | -1.97 (-49.95) -2.6% |
| Sidewall Height inches (mm) | 4.25 (108) | 4.44 (112.75) | 0.19 (4.75) 4.4% |
| Revolutions per mile (km) | 823.06 (511.42) | 844.63 (524.83) | 21.58 (13.41) 2.6% |
205/55-15 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.49 mph (31.36 km/h) |
| 25 mph (40.23 km/h) | 24.36 mph (39.21 km/h) |
| 30 mph (48.28 km/h) | 29.23 mph (47.05 km/h) |
| 35 mph (56.33 km/h) | 34.11 mph (54.89 km/h) |
| 40 mph (64.37 km/h) | 38.98 mph (62.73 km/h) |
| 45 mph (72.42 km/h) | 43.85 mph (70.57 km/h) |
| 50 mph (80.47 km/h) | 48.72 mph (78.41 km/h) |
| 55 mph (88.51 km/h) | 53.59 mph (86.25 km/h) |
| 60 mph (96.56 km/h) | 58.47 mph (94.09 km/h) |
| 65 mph (104.61 km/h) | 63.34 mph (101.94 km/h) |
| 70 mph (112.65 km/h) | 68.21 mph (109.78 km/h) |
| 75 mph (120.7 km/h) | 73.08 mph (117.62 km/h) |
| 80 mph (128.75 km/h) | 77.96 mph (125.46 km/h) |
| 85 mph (136.79 km/h) | 82.83 mph (133.3 km/h) |
| 90 mph (144.84 km/h) | 87.7 mph (141.14 km/h) |
| 95 mph (152.89 km/h) | 92.57 mph (148.98 km/h) |
| 100 mph (160.93 km/h) | 97.45 mph (156.82 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2149 | 2497 | 2689 | 2808 | 2936 | 3027 | 3128 | 3247 | 3412 | 3576 | 3759 | 3906 | 4171 | 4463 | 4692 | 4839 | 4921 | 5223 | 5643 | 6558 |
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