Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/30-21 | 335/25-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.97 (710.4) | 27.59 (700.9) | -0.37 (-9.5) -1.3% |
| Width inches (mm) | 11.61 (295) | 13.19 (335) | 1.57 (40) 13.6% |
| Circum. inches (mm) | 87.87 (2231.79) | 86.69 (2201.94) | -1.18 (-29.85) -1.3% |
| Sidewall Height inches (mm) | 3.48 (88.5) | 3.3 (83.75) | -0.19 (-4.75) -5.4% |
| Revolutions per mile (km) | 721.1 (448.07) | 730.87 (454.14) | 9.77 (6.07) 1.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.73 mph (31.76 km/h) |
| 25 mph (40.23 km/h) | 24.67 mph (39.7 km/h) |
| 30 mph (48.28 km/h) | 29.6 mph (47.63 km/h) |
| 35 mph (56.33 km/h) | 34.53 mph (55.57 km/h) |
| 40 mph (64.37 km/h) | 39.47 mph (63.51 km/h) |
| 45 mph (72.42 km/h) | 44.4 mph (71.45 km/h) |
| 50 mph (80.47 km/h) | 49.33 mph (79.39 km/h) |
| 55 mph (88.51 km/h) | 54.26 mph (87.33 km/h) |
| 60 mph (96.56 km/h) | 59.2 mph (95.27 km/h) |
| 65 mph (104.61 km/h) | 64.13 mph (103.21 km/h) |
| 70 mph (112.65 km/h) | 69.06 mph (111.15 km/h) |
| 75 mph (120.7 km/h) | 74 mph (119.09 km/h) |
| 80 mph (128.75 km/h) | 78.93 mph (127.03 km/h) |
| 85 mph (136.79 km/h) | 83.86 mph (134.97 km/h) |
| 90 mph (144.84 km/h) | 88.8 mph (142.9 km/h) |
| 95 mph (152.89 km/h) | 93.73 mph (150.84 km/h) |
| 100 mph (160.93 km/h) | 98.66 mph (158.78 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1860 | 2161 | 2327 | 2430 | 2541 | 2620 | 2707 | 2810 | 2952 | 3095 | 3253 | 3380 | 3609 | 3862 | 4060 | 4187 | 4258 | 4519 | 4883 | 5675 |
Better Fuel Economy Factory Ratios Increased Power
