Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/30-20 | 285/20-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.97 (685) | 24.49 (622) | -2.48 (-63) -9.2% |
| Width inches (mm) | 11.61 (295) | 11.22 (285) | -0.39 (-10) -3.4% |
| Circum. inches (mm) | 84.72 (2151.99) | 76.93 (1954.07) | -7.79 (-197.92) -9.2% |
| Sidewall Height inches (mm) | 3.48 (88.5) | 2.24 (57) | -1.24 (-31.5) -35.6% |
| Revolutions per mile (km) | 747.84 (464.69) | 823.59 (511.75) | 75.75 (47.07) 10.1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.16 mph (29.23 km/h) |
| 25 mph (40.23 km/h) | 22.7 mph (36.53 km/h) |
| 30 mph (48.28 km/h) | 27.24 mph (43.84 km/h) |
| 35 mph (56.33 km/h) | 31.78 mph (51.15 km/h) |
| 40 mph (64.37 km/h) | 36.32 mph (58.45 km/h) |
| 45 mph (72.42 km/h) | 40.86 mph (65.76 km/h) |
| 50 mph (80.47 km/h) | 45.4 mph (73.07 km/h) |
| 55 mph (88.51 km/h) | 49.94 mph (80.37 km/h) |
| 60 mph (96.56 km/h) | 54.48 mph (87.68 km/h) |
| 65 mph (104.61 km/h) | 59.02 mph (94.99 km/h) |
| 70 mph (112.65 km/h) | 63.56 mph (102.29 km/h) |
| 75 mph (120.7 km/h) | 68.1 mph (109.6 km/h) |
| 80 mph (128.75 km/h) | 72.64 mph (116.91 km/h) |
| 85 mph (136.79 km/h) | 77.18 mph (124.21 km/h) |
| 90 mph (144.84 km/h) | 81.72 mph (131.52 km/h) |
| 95 mph (152.89 km/h) | 86.26 mph (138.83 km/h) |
| 100 mph (160.93 km/h) | 90.8 mph (146.13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2096 | 2435 | 2622 | 2738 | 2863 | 2952 | 3050 | 3166 | 3327 | 3487 | 3666 | 3808 | 4067 | 4352 | 4575 | 4718 | 4798 | 5093 | 5503 | 6395 |
Better Fuel Economy Factory Ratios Increased Power
