Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/70-15 | 155/70-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.99 (584) | 23.54 (598) | 0.55 (14) 2.4% |
| Width inches (mm) | 5.71 (145) | 6.1 (155) | 0.39 (10) 6.9% |
| Circum. inches (mm) | 72.23 (1834.69) | 73.96 (1878.67) | 1.73 (43.98) 2.4% |
| Sidewall Height inches (mm) | 4 (101.5) | 4.27 (108.5) | 0.28 (7) 6.9% |
| Revolutions per mile (km) | 877.17 (545.05) | 856.64 (532.29) | -20.54 (-12.76) -2.3% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.48 mph (32.96 km/h) |
| 25 mph (40.23 km/h) | 25.6 mph (41.2 km/h) |
| 30 mph (48.28 km/h) | 30.72 mph (49.44 km/h) |
| 35 mph (56.33 km/h) | 35.84 mph (57.68 km/h) |
| 40 mph (64.37 km/h) | 40.96 mph (65.92 km/h) |
| 45 mph (72.42 km/h) | 46.08 mph (74.16 km/h) |
| 50 mph (80.47 km/h) | 51.2 mph (82.4 km/h) |
| 55 mph (88.51 km/h) | 56.32 mph (90.64 km/h) |
| 60 mph (96.56 km/h) | 61.44 mph (98.88 km/h) |
| 65 mph (104.61 km/h) | 66.56 mph (107.12 km/h) |
| 70 mph (112.65 km/h) | 71.68 mph (115.35 km/h) |
| 75 mph (120.7 km/h) | 76.8 mph (123.59 km/h) |
| 80 mph (128.75 km/h) | 81.92 mph (131.83 km/h) |
| 85 mph (136.79 km/h) | 87.04 mph (140.07 km/h) |
| 90 mph (144.84 km/h) | 92.16 mph (148.31 km/h) |
| 95 mph (152.89 km/h) | 97.28 mph (156.55 km/h) |
| 100 mph (160.93 km/h) | 102.4 mph (164.79 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2180 | 2532 | 2727 | 2848 | 2978 | 3071 | 3173 | 3293 | 3460 | 3627 | 3813 | 3961 | 4230 | 4527 | 4759 | 4907 | 4991 | 5297 | 5724 | 6651 |
Better Fuel Economy Factory Ratios Increased Power
