Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/85-13 | 165/45-13 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 24.71 (627.7) | 18.85 (478.7) | -5.87 (-149) -23.7% |
| Width inches (mm) | 6.89 (175) | 6.5 (165) | -0.39 (-10) -5.7% |
| Circum. inches (mm) | 77.64 (1971.98) | 59.21 (1503.88) | -18.43 (-468.1) -23.7% |
| Sidewall Height inches (mm) | 5.86 (148.75) | 2.92 (74.25) | -2.93 (-74.5) -50.1% |
| Revolutions per mile (km) | 816.11 (507.1) | 1070.13 (664.95) | 254.02 (157.84) 31.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.25 mph (24.55 km/h) |
| 25 mph (40.23 km/h) | 19.07 mph (30.68 km/h) |
| 30 mph (48.28 km/h) | 22.88 mph (36.82 km/h) |
| 35 mph (56.33 km/h) | 26.69 mph (42.96 km/h) |
| 40 mph (64.37 km/h) | 30.51 mph (49.09 km/h) |
| 45 mph (72.42 km/h) | 34.32 mph (55.23 km/h) |
| 50 mph (80.47 km/h) | 38.13 mph (61.37 km/h) |
| 55 mph (88.51 km/h) | 41.94 mph (67.5 km/h) |
| 60 mph (96.56 km/h) | 45.76 mph (73.64 km/h) |
| 65 mph (104.61 km/h) | 49.57 mph (79.78 km/h) |
| 70 mph (112.65 km/h) | 53.38 mph (85.91 km/h) |
| 75 mph (120.7 km/h) | 57.2 mph (92.05 km/h) |
| 80 mph (128.75 km/h) | 61.01 mph (98.19 km/h) |
| 85 mph (136.79 km/h) | 64.82 mph (104.32 km/h) |
| 90 mph (144.84 km/h) | 68.64 mph (110.46 km/h) |
| 95 mph (152.89 km/h) | 72.45 mph (116.6 km/h) |
| 100 mph (160.93 km/h) | 76.26 mph (122.73 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Better Fuel Economy Factory Ratios Increased Power
