Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/80-13 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 22.76 (578.2) | 22.65 (575.2) | -0.12 (-3) -0.5% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 71.51 (1816.47) | 71.14 (1807.04) | -0.37 (-9.42) -0.5% |
| Sidewall Height inches (mm) | 4.88 (124) | 4.82 (122.5) | -0.06 (-1.5) -1.2% |
| Revolutions per mile (km) | 885.97 (550.52) | 890.59 (553.39) | 4.62 (2.87) 0.5% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.9 mph (32.02 km/h) |
| 25 mph (40.23 km/h) | 24.87 mph (40.02 km/h) |
| 30 mph (48.28 km/h) | 29.84 mph (48.03 km/h) |
| 35 mph (56.33 km/h) | 34.82 mph (56.03 km/h) |
| 40 mph (64.37 km/h) | 39.79 mph (64.04 km/h) |
| 45 mph (72.42 km/h) | 44.77 mph (72.04 km/h) |
| 50 mph (80.47 km/h) | 49.74 mph (80.05 km/h) |
| 55 mph (88.51 km/h) | 54.71 mph (88.05 km/h) |
| 60 mph (96.56 km/h) | 59.69 mph (96.06 km/h) |
| 65 mph (104.61 km/h) | 64.66 mph (104.06 km/h) |
| 70 mph (112.65 km/h) | 69.64 mph (112.07 km/h) |
| 75 mph (120.7 km/h) | 74.61 mph (120.07 km/h) |
| 80 mph (128.75 km/h) | 79.58 mph (128.08 km/h) |
| 85 mph (136.79 km/h) | 84.56 mph (136.08 km/h) |
| 90 mph (144.84 km/h) | 89.53 mph (144.09 km/h) |
| 95 mph (152.89 km/h) | 94.51 mph (152.09 km/h) |
| 100 mph (160.93 km/h) | 99.48 mph (160.1 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
