Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/60-15 | 265/60-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.85 (555) | 27.52 (699) | 5.67 (144) 25.9% |
| Width inches (mm) | 5.71 (145) | 10.43 (265) | 4.72 (120) 82.8% |
| Circum. inches (mm) | 68.65 (1743.58) | 86.46 (2195.97) | 17.81 (452.39) 25.9% |
| Sidewall Height inches (mm) | 3.43 (87) | 6.26 (159) | 2.83 (72) 82.8% |
| Revolutions per mile (km) | 923.01 (573.53) | 732.86 (455.38) | -190.15 (-118.15) -20.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 25.19 mph (40.54 km/h) |
| 25 mph (40.23 km/h) | 31.49 mph (50.67 km/h) |
| 30 mph (48.28 km/h) | 37.78 mph (60.81 km/h) |
| 35 mph (56.33 km/h) | 44.08 mph (70.94 km/h) |
| 40 mph (64.37 km/h) | 50.38 mph (81.08 km/h) |
| 45 mph (72.42 km/h) | 56.68 mph (91.21 km/h) |
| 50 mph (80.47 km/h) | 62.97 mph (101.35 km/h) |
| 55 mph (88.51 km/h) | 69.27 mph (111.48 km/h) |
| 60 mph (96.56 km/h) | 75.57 mph (121.61 km/h) |
| 65 mph (104.61 km/h) | 81.86 mph (131.75 km/h) |
| 70 mph (112.65 km/h) | 88.16 mph (141.88 km/h) |
| 75 mph (120.7 km/h) | 94.46 mph (152.02 km/h) |
| 80 mph (128.75 km/h) | 100.76 mph (162.15 km/h) |
| 85 mph (136.79 km/h) | 107.05 mph (172.29 km/h) |
| 90 mph (144.84 km/h) | 113.35 mph (182.42 km/h) |
| 95 mph (152.89 km/h) | 119.65 mph (192.56 km/h) |
| 100 mph (160.93 km/h) | 125.95 mph (202.69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1865 | 2167 | 2333 | 2436 | 2548 | 2627 | 2714 | 2817 | 2960 | 3103 | 3262 | 3389 | 3619 | 3873 | 4071 | 4198 | 4270 | 4532 | 4897 | 5690 |
Better Fuel Economy Factory Ratios Increased Power
