Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 395/85-20 | 295/85-15 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 46.44 (1179.5) | 34.74 (882.5) | -11.69 (-297) -25.2% |
| Width inches (mm) | 15.55 (395) | 11.61 (295) | -3.94 (-100) -25.3% |
| Circum. inches (mm) | 145.89 (3705.51) | 109.15 (2772.46) | -36.73 (-933.05) -25.2% |
| Sidewall Height inches (mm) | 13.22 (335.75) | 9.87 (250.75) | -3.35 (-85) -25.3% |
| Revolutions per mile (km) | 434.31 (269.87) | 580.48 (360.69) | 146.16 (90.82) 33.7% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 14.96 mph (24.08 km/h) |
| 25 mph (40.23 km/h) | 18.7 mph (30.1 km/h) |
| 30 mph (48.28 km/h) | 22.45 mph (36.12 km/h) |
| 35 mph (56.33 km/h) | 26.19 mph (42.14 km/h) |
| 40 mph (64.37 km/h) | 29.93 mph (48.16 km/h) |
| 45 mph (72.42 km/h) | 33.67 mph (54.18 km/h) |
| 50 mph (80.47 km/h) | 37.41 mph (60.21 km/h) |
| 55 mph (88.51 km/h) | 41.15 mph (66.23 km/h) |
| 60 mph (96.56 km/h) | 44.89 mph (72.25 km/h) |
| 65 mph (104.61 km/h) | 48.63 mph (78.27 km/h) |
| 70 mph (112.65 km/h) | 52.37 mph (84.29 km/h) |
| 75 mph (120.7 km/h) | 56.11 mph (90.31 km/h) |
| 80 mph (128.75 km/h) | 59.86 mph (96.33 km/h) |
| 85 mph (136.79 km/h) | 63.6 mph (102.35 km/h) |
| 90 mph (144.84 km/h) | 67.34 mph (108.37 km/h) |
| 95 mph (152.89 km/h) | 71.08 mph (114.39 km/h) |
| 100 mph (160.93 km/h) | 74.82 mph (120.41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1477 | 1716 | 1848 | 1930 | 2018 | 2081 | 2150 | 2232 | 2345 | 2458 | 2584 | 2684 | 2866 | 3068 | 3225 | 3325 | 3382 | 3589 | 3878 | 4507 |
Better Fuel Economy Factory Ratios Increased Power
