Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 185/50-17 | 135/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.28 (616.8) | 23.44 (595.4) | -0.84 (-21.4) -3.5% |
| Width inches (mm) | 7.28 (185) | 5.31 (135) | -1.97 (-50) -27% |
| Circum. inches (mm) | 76.29 (1937.73) | 73.64 (1870.5) | -2.65 (-67.23) -3.5% |
| Sidewall Height inches (mm) | 3.64 (92.5) | 3.72 (94.5) | 0.08 (2) 2.2% |
| Revolutions per mile (km) | 830.53 (516.07) | 860.38 (534.61) | 29.85 (18.55) 3.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.31 mph (31.07 km/h) |
| 25 mph (40.23 km/h) | 24.13 mph (38.84 km/h) |
| 30 mph (48.28 km/h) | 28.96 mph (46.61 km/h) |
| 35 mph (56.33 km/h) | 33.79 mph (54.37 km/h) |
| 40 mph (64.37 km/h) | 38.61 mph (62.14 km/h) |
| 45 mph (72.42 km/h) | 43.44 mph (69.91 km/h) |
| 50 mph (80.47 km/h) | 48.27 mph (77.68 km/h) |
| 55 mph (88.51 km/h) | 53.09 mph (85.44 km/h) |
| 60 mph (96.56 km/h) | 57.92 mph (93.21 km/h) |
| 65 mph (104.61 km/h) | 62.74 mph (100.98 km/h) |
| 70 mph (112.65 km/h) | 67.57 mph (108.75 km/h) |
| 75 mph (120.7 km/h) | 72.4 mph (116.51 km/h) |
| 80 mph (128.75 km/h) | 77.22 mph (124.28 km/h) |
| 85 mph (136.79 km/h) | 82.05 mph (132.05 km/h) |
| 90 mph (144.84 km/h) | 86.88 mph (139.82 km/h) |
| 95 mph (152.89 km/h) | 91.7 mph (147.58 km/h) |
| 100 mph (160.93 km/h) | 96.53 mph (155.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2190 | 2544 | 2739 | 2860 | 2991 | 3084 | 3186 | 3308 | 3475 | 3643 | 3829 | 3978 | 4249 | 4547 | 4780 | 4929 | 5013 | 5320 | 5749 | 6680 |
Better Fuel Economy Factory Ratios Increased Power
