Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-22 | 235/60-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.02 (711.8) | 31.1 (790) | 3.08 (78.2) 11% |
| Width inches (mm) | 10.04 (255) | 9.25 (235) | -0.79 (-20) -7.8% |
| Circum. inches (mm) | 88.04 (2236.19) | 97.71 (2481.86) | 9.67 (245.67) 11% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 5.55 (141) | 2.54 (64.5) 84.3% |
| Revolutions per mile (km) | 719.68 (447.19) | 648.44 (402.92) | -71.24 (-44.27) -9.9% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.2 mph (35.72 km/h) |
| 25 mph (40.23 km/h) | 27.75 mph (44.65 km/h) |
| 30 mph (48.28 km/h) | 33.3 mph (53.58 km/h) |
| 35 mph (56.33 km/h) | 38.85 mph (62.52 km/h) |
| 40 mph (64.37 km/h) | 44.39 mph (71.45 km/h) |
| 45 mph (72.42 km/h) | 49.94 mph (80.38 km/h) |
| 50 mph (80.47 km/h) | 55.49 mph (89.31 km/h) |
| 55 mph (88.51 km/h) | 61.04 mph (98.24 km/h) |
| 60 mph (96.56 km/h) | 66.59 mph (107.17 km/h) |
| 65 mph (104.61 km/h) | 72.14 mph (116.1 km/h) |
| 70 mph (112.65 km/h) | 77.69 mph (125.03 km/h) |
| 75 mph (120.7 km/h) | 83.24 mph (133.96 km/h) |
| 80 mph (128.75 km/h) | 88.79 mph (142.89 km/h) |
| 85 mph (136.79 km/h) | 94.34 mph (151.82 km/h) |
| 90 mph (144.84 km/h) | 99.89 mph (160.75 km/h) |
| 95 mph (152.89 km/h) | 105.44 mph (169.68 km/h) |
| 100 mph (160.93 km/h) | 110.99 mph (178.62 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
