Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 175/75-16 | 245/75-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.33 (668.9) | 34.47 (875.5) | 8.13 (206.6) 30.9% |
| Width inches (mm) | 6.89 (175) | 9.65 (245) | 2.76 (70) 40% |
| Circum. inches (mm) | 82.73 (2101.41) | 108.29 (2750.46) | 25.55 (649.05) 30.9% |
| Sidewall Height inches (mm) | 5.17 (131.25) | 7.23 (183.75) | 2.07 (52.5) 40% |
| Revolutions per mile (km) | 765.84 (475.87) | 585.12 (363.57) | -180.72 (-112.3) -23.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 26.18 mph (42.13 km/h) |
| 25 mph (40.23 km/h) | 32.72 mph (52.66 km/h) |
| 30 mph (48.28 km/h) | 39.27 mph (63.19 km/h) |
| 35 mph (56.33 km/h) | 45.81 mph (73.72 km/h) |
| 40 mph (64.37 km/h) | 52.35 mph (84.26 km/h) |
| 45 mph (72.42 km/h) | 58.9 mph (94.79 km/h) |
| 50 mph (80.47 km/h) | 65.44 mph (105.32 km/h) |
| 55 mph (88.51 km/h) | 71.99 mph (115.85 km/h) |
| 60 mph (96.56 km/h) | 78.53 mph (126.39 km/h) |
| 65 mph (104.61 km/h) | 85.08 mph (136.92 km/h) |
| 70 mph (112.65 km/h) | 91.62 mph (147.45 km/h) |
| 75 mph (120.7 km/h) | 98.16 mph (157.98 km/h) |
| 80 mph (128.75 km/h) | 104.71 mph (168.51 km/h) |
| 85 mph (136.79 km/h) | 111.25 mph (179.05 km/h) |
| 90 mph (144.84 km/h) | 117.8 mph (189.58 km/h) |
| 95 mph (152.89 km/h) | 124.34 mph (200.11 km/h) |
| 100 mph (160.93 km/h) | 130.89 mph (210.64 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1489 | 1730 | 1863 | 1945 | 2034 | 2097 | 2167 | 2249 | 2363 | 2477 | 2604 | 2706 | 2889 | 3092 | 3250 | 3352 | 3409 | 3618 | 3909 | 4543 |
Better Fuel Economy Factory Ratios Increased Power
