Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 155/70-12 | 175/70-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 20.54 (521.8) | 22.65 (575.2) | 2.1 (53.4) 10.2% |
| Width inches (mm) | 6.1 (155) | 6.89 (175) | 0.79 (20) 12.9% |
| Circum. inches (mm) | 64.54 (1639.28) | 71.14 (1807.04) | 6.6 (167.76) 10.2% |
| Sidewall Height inches (mm) | 4.27 (108.5) | 4.82 (122.5) | 0.55 (14) 12.9% |
| Revolutions per mile (km) | 981.74 (610.02) | 890.59 (553.39) | -91.14 (-56.63) -9.3% |
175/70-13 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.05 mph (35.48 km/h) |
| 25 mph (40.23 km/h) | 27.56 mph (44.35 km/h) |
| 30 mph (48.28 km/h) | 33.07 mph (53.22 km/h) |
| 35 mph (56.33 km/h) | 38.58 mph (62.09 km/h) |
| 40 mph (64.37 km/h) | 44.09 mph (70.96 km/h) |
| 45 mph (72.42 km/h) | 49.61 mph (79.83 km/h) |
| 50 mph (80.47 km/h) | 55.12 mph (88.7 km/h) |
| 55 mph (88.51 km/h) | 60.63 mph (97.57 km/h) |
| 60 mph (96.56 km/h) | 66.14 mph (106.44 km/h) |
| 65 mph (104.61 km/h) | 71.65 mph (115.31 km/h) |
| 70 mph (112.65 km/h) | 77.16 mph (124.18 km/h) |
| 75 mph (120.7 km/h) | 82.68 mph (133.05 km/h) |
| 80 mph (128.75 km/h) | 88.19 mph (141.92 km/h) |
| 85 mph (136.79 km/h) | 93.7 mph (150.79 km/h) |
| 90 mph (144.84 km/h) | 99.21 mph (159.66 km/h) |
| 95 mph (152.89 km/h) | 104.72 mph (168.53 km/h) |
| 100 mph (160.93 km/h) | 110.23 mph (177.4 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
