Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 335/25-20 | 345/20-20 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.59 (675.5) | 25.43 (646) | -1.16 (-29.5) -4.4% |
| Width inches (mm) | 13.19 (335) | 13.58 (345) | 0.39 (10) 3% |
| Circum. inches (mm) | 83.55 (2122.15) | 79.9 (2029.47) | -3.65 (-92.68) -4.4% |
| Sidewall Height inches (mm) | 3.3 (83.75) | 2.72 (69) | -0.58 (-14.75) -17.6% |
| Revolutions per mile (km) | 758.36 (471.22) | 792.99 (492.74) | 34.63 (21.52) 4.6% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.13 mph (30.78 km/h) |
| 25 mph (40.23 km/h) | 23.91 mph (38.48 km/h) |
| 30 mph (48.28 km/h) | 28.69 mph (46.17 km/h) |
| 35 mph (56.33 km/h) | 33.47 mph (53.87 km/h) |
| 40 mph (64.37 km/h) | 38.25 mph (61.56 km/h) |
| 45 mph (72.42 km/h) | 43.03 mph (69.26 km/h) |
| 50 mph (80.47 km/h) | 47.82 mph (76.95 km/h) |
| 55 mph (88.51 km/h) | 52.6 mph (84.65 km/h) |
| 60 mph (96.56 km/h) | 57.38 mph (92.34 km/h) |
| 65 mph (104.61 km/h) | 62.16 mph (100.04 km/h) |
| 70 mph (112.65 km/h) | 66.94 mph (107.73 km/h) |
| 75 mph (120.7 km/h) | 71.72 mph (115.43 km/h) |
| 80 mph (128.75 km/h) | 76.51 mph (123.13 km/h) |
| 85 mph (136.79 km/h) | 81.29 mph (130.82 km/h) |
| 90 mph (144.84 km/h) | 86.07 mph (138.52 km/h) |
| 95 mph (152.89 km/h) | 90.85 mph (146.21 km/h) |
| 100 mph (160.93 km/h) | 95.63 mph (153.91 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | 2344 | 2525 | 2636 | 2757 | 2842 | 2937 | 3048 | 3203 | 3358 | 3529 | 3667 | 3916 | 4191 | 4405 | 4543 | 4620 | 4903 | 5298 | 6157 |
Better Fuel Economy Factory Ratios Increased Power
