Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 80/70-17 | 140/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.41 (543.8) | 23.61 (599.8) | 2.2 (56) 10.3% |
| Width inches (mm) | 3.15 (80) | 5.51 (140) | 2.36 (60) 75% |
| Circum. inches (mm) | 67.26 (1708.4) | 74.19 (1884.33) | 6.93 (175.93) 10.3% |
| Sidewall Height inches (mm) | 2.2 (56) | 3.31 (84) | 1.1 (28) 50% |
| Revolutions per mile (km) | 942.02 (585.34) | 854.07 (530.69) | -87.95 (-54.65) -9.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.06 mph (35.5 km/h) |
| 25 mph (40.23 km/h) | 27.57 mph (44.38 km/h) |
| 30 mph (48.28 km/h) | 33.09 mph (53.25 km/h) |
| 35 mph (56.33 km/h) | 38.6 mph (62.13 km/h) |
| 40 mph (64.37 km/h) | 44.12 mph (71 km/h) |
| 45 mph (72.42 km/h) | 49.63 mph (79.88 km/h) |
| 50 mph (80.47 km/h) | 55.15 mph (88.75 km/h) |
| 55 mph (88.51 km/h) | 60.66 mph (97.63 km/h) |
| 60 mph (96.56 km/h) | 66.18 mph (106.5 km/h) |
| 65 mph (104.61 km/h) | 71.69 mph (115.38 km/h) |
| 70 mph (112.65 km/h) | 77.21 mph (124.26 km/h) |
| 75 mph (120.7 km/h) | 82.72 mph (133.13 km/h) |
| 80 mph (128.75 km/h) | 88.24 mph (142.01 km/h) |
| 85 mph (136.79 km/h) | 93.75 mph (150.88 km/h) |
| 90 mph (144.84 km/h) | 99.27 mph (159.76 km/h) |
| 95 mph (152.89 km/h) | 104.78 mph (168.63 km/h) |
| 100 mph (160.93 km/h) | 110.3 mph (177.51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2173 | 2525 | 2719 | 2839 | 2969 | 3061 | 3163 | 3283 | 3450 | 3616 | 3801 | 3949 | 4217 | 4513 | 4745 | 4893 | 4976 | 5281 | 5706 | 6631 |
Better Fuel Economy Factory Ratios Increased Power
