Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-15 | 165/35-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.13 (613) | 19.55 (496.5) | -4.59 (-116.5) -19% |
| Width inches (mm) | 5.71 (145) | 6.5 (165) | 0.79 (20) 13.8% |
| Circum. inches (mm) | 75.82 (1925.8) | 61.41 (1559.8) | -14.41 (-366) -19% |
| Sidewall Height inches (mm) | 4.57 (116) | 2.27 (57.75) | -2.29 (-58.25) -50.2% |
| Revolutions per mile (km) | 835.68 (519.26) | 1031.76 (641.11) | 196.09 (121.84) 23.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 16.2 mph (26.07 km/h) |
| 25 mph (40.23 km/h) | 20.25 mph (32.59 km/h) |
| 30 mph (48.28 km/h) | 24.3 mph (39.1 km/h) |
| 35 mph (56.33 km/h) | 28.35 mph (45.62 km/h) |
| 40 mph (64.37 km/h) | 32.4 mph (52.14 km/h) |
| 45 mph (72.42 km/h) | 36.45 mph (58.66 km/h) |
| 50 mph (80.47 km/h) | 40.5 mph (65.17 km/h) |
| 55 mph (88.51 km/h) | 44.55 mph (71.69 km/h) |
| 60 mph (96.56 km/h) | 48.6 mph (78.21 km/h) |
| 65 mph (104.61 km/h) | 52.65 mph (84.73 km/h) |
| 70 mph (112.65 km/h) | 56.7 mph (91.24 km/h) |
| 75 mph (120.7 km/h) | 60.75 mph (97.76 km/h) |
| 80 mph (128.75 km/h) | 64.8 mph (104.28 km/h) |
| 85 mph (136.79 km/h) | 68.85 mph (110.8 km/h) |
| 90 mph (144.84 km/h) | 72.9 mph (117.31 km/h) |
| 95 mph (152.89 km/h) | 76.95 mph (123.83 km/h) |
| 100 mph (160.93 km/h) | 81 mph (130.35 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
