Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/30-21 | 295/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.2 (716.4) | 29.13 (739.9) | 0.93 (23.5) 3.3% |
| Width inches (mm) | 12.01 (305) | 11.61 (295) | -0.39 (-10) -3.3% |
| Circum. inches (mm) | 88.61 (2250.64) | 91.51 (2324.46) | 2.91 (73.83) 3.3% |
| Sidewall Height inches (mm) | 3.6 (91.5) | 4.06 (103.25) | 0.46 (11.75) 12.8% |
| Revolutions per mile (km) | 715.06 (444.32) | 692.35 (430.21) | -22.71 (-14.11) -3.2% |
295/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.66 mph (33.24 km/h) |
| 25 mph (40.23 km/h) | 25.82 mph (41.55 km/h) |
| 30 mph (48.28 km/h) | 30.98 mph (49.86 km/h) |
| 35 mph (56.33 km/h) | 36.15 mph (58.17 km/h) |
| 40 mph (64.37 km/h) | 41.31 mph (66.49 km/h) |
| 45 mph (72.42 km/h) | 46.48 mph (74.8 km/h) |
| 50 mph (80.47 km/h) | 51.64 mph (83.11 km/h) |
| 55 mph (88.51 km/h) | 56.8 mph (91.42 km/h) |
| 60 mph (96.56 km/h) | 61.97 mph (99.73 km/h) |
| 65 mph (104.61 km/h) | 67.13 mph (108.04 km/h) |
| 70 mph (112.65 km/h) | 72.3 mph (116.35 km/h) |
| 75 mph (120.7 km/h) | 77.46 mph (124.66 km/h) |
| 80 mph (128.75 km/h) | 82.62 mph (132.97 km/h) |
| 85 mph (136.79 km/h) | 87.79 mph (141.28 km/h) |
| 90 mph (144.84 km/h) | 92.95 mph (149.59 km/h) |
| 95 mph (152.89 km/h) | 98.12 mph (157.9 km/h) |
| 100 mph (160.93 km/h) | 103.28 mph (166.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1762 | 2047 | 2204 | 2302 | 2407 | 2482 | 2564 | 2662 | 2797 | 2932 | 3081 | 3201 | 3419 | 3659 | 3846 | 3966 | 4034 | 4281 | 4626 | 5376 |
Better Fuel Economy Factory Ratios Increased Power
