Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/65-15 | 155/65-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.42 (569.5) | 22.93 (582.5) | 0.51 (13) 2.3% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 70.44 (1789.14) | 72.05 (1829.98) | 1.61 (40.84) 2.3% |
| Sidewall Height inches (mm) | 3.71 (94.25) | 3.97 (100.75) | 0.26 (6.5) 6.9% |
| Revolutions per mile (km) | 899.51 (558.93) | 879.43 (546.45) | -20.07 (-12.47) -2.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.46 mph (32.92 km/h) |
| 25 mph (40.23 km/h) | 25.57 mph (41.15 km/h) |
| 30 mph (48.28 km/h) | 30.68 mph (49.38 km/h) |
| 35 mph (56.33 km/h) | 35.8 mph (57.61 km/h) |
| 40 mph (64.37 km/h) | 40.91 mph (65.84 km/h) |
| 45 mph (72.42 km/h) | 46.03 mph (74.07 km/h) |
| 50 mph (80.47 km/h) | 51.14 mph (82.3 km/h) |
| 55 mph (88.51 km/h) | 56.26 mph (90.53 km/h) |
| 60 mph (96.56 km/h) | 61.37 mph (98.77 km/h) |
| 65 mph (104.61 km/h) | 66.48 mph (107 km/h) |
| 70 mph (112.65 km/h) | 71.6 mph (115.23 km/h) |
| 75 mph (120.7 km/h) | 76.71 mph (123.46 km/h) |
| 80 mph (128.75 km/h) | 81.83 mph (131.69 km/h) |
| 85 mph (136.79 km/h) | 86.94 mph (139.92 km/h) |
| 90 mph (144.84 km/h) | 92.05 mph (148.15 km/h) |
| 95 mph (152.89 km/h) | 97.17 mph (156.38 km/h) |
| 100 mph (160.93 km/h) | 102.28 mph (164.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2238 | 2600 | 2800 | 2924 | 3057 | 3152 | 3257 | 3381 | 3552 | 3724 | 3914 | 4066 | 4343 | 4647 | 4885 | 5038 | 5124 | 5438 | 5876 | 6828 |
Better Fuel Economy Factory Ratios Increased Power
