Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-17 | 185/60-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.99 (634.8) | 25.74 (653.8) | 0.75 (19) 3% |
| Width inches (mm) | 5.71 (145) | 7.28 (185) | 1.57 (40) 27.6% |
| Circum. inches (mm) | 78.52 (1994.28) | 80.87 (2053.97) | 2.35 (59.69) 3% |
| Sidewall Height inches (mm) | 4 (101.5) | 4.37 (111) | 0.37 (9.5) 9.4% |
| Revolutions per mile (km) | 806.98 (501.43) | 783.53 (486.86) | -23.45 (-14.57) -2.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.6 mph (33.15 km/h) |
| 25 mph (40.23 km/h) | 25.75 mph (41.44 km/h) |
| 30 mph (48.28 km/h) | 30.9 mph (49.73 km/h) |
| 35 mph (56.33 km/h) | 36.05 mph (58.01 km/h) |
| 40 mph (64.37 km/h) | 41.2 mph (66.3 km/h) |
| 45 mph (72.42 km/h) | 46.35 mph (74.59 km/h) |
| 50 mph (80.47 km/h) | 51.5 mph (82.88 km/h) |
| 55 mph (88.51 km/h) | 56.65 mph (91.16 km/h) |
| 60 mph (96.56 km/h) | 61.8 mph (99.45 km/h) |
| 65 mph (104.61 km/h) | 66.95 mph (107.74 km/h) |
| 70 mph (112.65 km/h) | 72.1 mph (116.03 km/h) |
| 75 mph (120.7 km/h) | 77.24 mph (124.31 km/h) |
| 80 mph (128.75 km/h) | 82.39 mph (132.6 km/h) |
| 85 mph (136.79 km/h) | 87.54 mph (140.89 km/h) |
| 90 mph (144.84 km/h) | 92.69 mph (149.18 km/h) |
| 95 mph (152.89 km/h) | 97.84 mph (157.46 km/h) |
| 100 mph (160.93 km/h) | 102.99 mph (165.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1994 | 2316 | 2495 | 2605 | 2724 | 2808 | 2902 | 3012 | 3165 | 3318 | 3487 | 3623 | 3869 | 4141 | 4353 | 4488 | 4565 | 4845 | 5235 | 6084 |
Better Fuel Economy Factory Ratios Increased Power
