Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/70-12 | 175/59-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.65 (549.8) | 23.13 (587.5) | 1.48 (37.7) 6.9% |
| Width inches (mm) | 6.89 (175) | 6.89 (175) | 0 (0) 0% |
| Circum. inches (mm) | 68 (1727.25) | 72.66 (1845.69) | 4.66 (118.44) 6.9% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 4.06 (103.25) | -0.76 (-19.25) -15.7% |
| Revolutions per mile (km) | 931.74 (578.95) | 871.95 (541.8) | -59.79 (-37.15) -6.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 21.37 mph (34.39 km/h) |
| 25 mph (40.23 km/h) | 26.71 mph (42.99 km/h) |
| 30 mph (48.28 km/h) | 32.06 mph (51.59 km/h) |
| 35 mph (56.33 km/h) | 37.4 mph (60.19 km/h) |
| 40 mph (64.37 km/h) | 42.74 mph (68.79 km/h) |
| 45 mph (72.42 km/h) | 48.09 mph (77.39 km/h) |
| 50 mph (80.47 km/h) | 53.43 mph (85.99 km/h) |
| 55 mph (88.51 km/h) | 58.77 mph (94.58 km/h) |
| 60 mph (96.56 km/h) | 64.11 mph (103.18 km/h) |
| 65 mph (104.61 km/h) | 69.46 mph (111.78 km/h) |
| 70 mph (112.65 km/h) | 74.8 mph (120.38 km/h) |
| 75 mph (120.7 km/h) | 80.14 mph (128.98 km/h) |
| 80 mph (128.75 km/h) | 85.49 mph (137.58 km/h) |
| 85 mph (136.79 km/h) | 90.83 mph (146.17 km/h) |
| 90 mph (144.84 km/h) | 96.17 mph (154.77 km/h) |
| 95 mph (152.89 km/h) | 101.51 mph (163.37 km/h) |
| 100 mph (160.93 km/h) | 106.86 mph (171.97 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2219 | 2578 | 2776 | 2899 | 3031 | 3125 | 3229 | 3352 | 3522 | 3692 | 3881 | 4032 | 4306 | 4608 | 4844 | 4995 | 5080 | 5392 | 5826 | 6770 |
Better Fuel Economy Factory Ratios Increased Power
