Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 245/50-20 | 235/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 29.65 (753) | 31.1 (790) | 1.46 (37) 4.9% |
| Width inches (mm) | 9.65 (245) | 9.25 (235) | -0.39 (-10) -4.1% |
| Circum. inches (mm) | 93.13 (2365.62) | 97.71 (2481.86) | 4.58 (116.24) 4.9% |
| Sidewall Height inches (mm) | 4.82 (122.5) | 5.55 (141) | 0.73 (18.5) 15.1% |
| Revolutions per mile (km) | 680.31 (422.72) | 648.44 (402.92) | -31.86 (-19.8) -4.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.98 mph (33.77 km/h) |
| 25 mph (40.23 km/h) | 26.23 mph (42.21 km/h) |
| 30 mph (48.28 km/h) | 31.47 mph (50.65 km/h) |
| 35 mph (56.33 km/h) | 36.72 mph (59.09 km/h) |
| 40 mph (64.37 km/h) | 41.97 mph (67.54 km/h) |
| 45 mph (72.42 km/h) | 47.21 mph (75.98 km/h) |
| 50 mph (80.47 km/h) | 52.46 mph (84.42 km/h) |
| 55 mph (88.51 km/h) | 57.7 mph (92.86 km/h) |
| 60 mph (96.56 km/h) | 62.95 mph (101.31 km/h) |
| 65 mph (104.61 km/h) | 68.19 mph (109.75 km/h) |
| 70 mph (112.65 km/h) | 73.44 mph (118.19 km/h) |
| 75 mph (120.7 km/h) | 78.69 mph (126.63 km/h) |
| 80 mph (128.75 km/h) | 83.93 mph (135.07 km/h) |
| 85 mph (136.79 km/h) | 89.18 mph (143.52 km/h) |
| 90 mph (144.84 km/h) | 94.42 mph (151.96 km/h) |
| 95 mph (152.89 km/h) | 99.67 mph (160.4 km/h) |
| 100 mph (160.93 km/h) | 104.91 mph (168.84 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1650 | 1917 | 2064 | 2156 | 2254 | 2324 | 2402 | 2493 | 2619 | 2746 | 2886 | 2998 | 3202 | 3427 | 3602 | 3715 | 3778 | 4010 | 4333 | 5035 |
Better Fuel Economy Factory Ratios Increased Power
