Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 145/80-10 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 19.13 (486) | 22.65 (575.2) | 3.51 (89.2) 18.4% |
| Width inches (mm) | 5.71 (145) | 6.89 (175) | 1.18 (30) 20.7% |
| Circum. inches (mm) | 60.11 (1526.81) | 71.14 (1807.04) | 11.03 (280.23) 18.4% |
| Sidewall Height inches (mm) | 4.57 (116) | 4.82 (122.5) | 0.26 (6.5) 5.6% |
| Revolutions per mile (km) | 1054.05 (654.96) | 890.59 (553.39) | -163.46 (-101.57) -15.5% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.67 mph (38.09 km/h) |
| 25 mph (40.23 km/h) | 29.59 mph (47.62 km/h) |
| 30 mph (48.28 km/h) | 35.51 mph (57.14 km/h) |
| 35 mph (56.33 km/h) | 41.42 mph (66.67 km/h) |
| 40 mph (64.37 km/h) | 47.34 mph (76.19 km/h) |
| 45 mph (72.42 km/h) | 53.26 mph (85.71 km/h) |
| 50 mph (80.47 km/h) | 59.18 mph (95.24 km/h) |
| 55 mph (88.51 km/h) | 65.09 mph (104.76 km/h) |
| 60 mph (96.56 km/h) | 71.01 mph (114.28 km/h) |
| 65 mph (104.61 km/h) | 76.93 mph (123.81 km/h) |
| 70 mph (112.65 km/h) | 82.85 mph (133.33 km/h) |
| 75 mph (120.7 km/h) | 88.77 mph (142.85 km/h) |
| 80 mph (128.75 km/h) | 94.68 mph (152.38 km/h) |
| 85 mph (136.79 km/h) | 100.6 mph (161.9 km/h) |
| 90 mph (144.84 km/h) | 106.52 mph (171.43 km/h) |
| 95 mph (152.89 km/h) | 112.44 mph (180.95 km/h) |
| 100 mph (160.93 km/h) | 118.35 mph (190.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2266 | 2633 | 2835 | 2961 | 3096 | 3192 | 3298 | 3424 | 3597 | 3771 | 3964 | 4118 | 4398 | 4706 | 4947 | 5102 | 5189 | 5507 | 5950 | 6915 |
Better Fuel Economy Factory Ratios Increased Power
