Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/35-21 | 255/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.3 (718.9) | 28.03 (711.9) | -0.28 (-7) -1% |
| Width inches (mm) | 10.43 (265) | 10.04 (255) | -0.39 (-10) -3.8% |
| Circum. inches (mm) | 88.92 (2258.49) | 88.05 (2236.5) | -0.87 (-21.99) -1% |
| Sidewall Height inches (mm) | 3.65 (92.75) | 3.51 (89.25) | -0.14 (-3.5) -3.8% |
| Revolutions per mile (km) | 712.57 (442.77) | 719.58 (447.13) | 7.01 (4.35) 1% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.87 km/h) |
| 25 mph (40.23 km/h) | 24.76 mph (39.84 km/h) |
| 30 mph (48.28 km/h) | 29.71 mph (47.81 km/h) |
| 35 mph (56.33 km/h) | 34.66 mph (55.78 km/h) |
| 40 mph (64.37 km/h) | 39.61 mph (63.75 km/h) |
| 45 mph (72.42 km/h) | 44.56 mph (71.72 km/h) |
| 50 mph (80.47 km/h) | 49.51 mph (79.68 km/h) |
| 55 mph (88.51 km/h) | 54.46 mph (87.65 km/h) |
| 60 mph (96.56 km/h) | 59.42 mph (95.62 km/h) |
| 65 mph (104.61 km/h) | 64.37 mph (103.59 km/h) |
| 70 mph (112.65 km/h) | 69.32 mph (111.56 km/h) |
| 75 mph (120.7 km/h) | 74.27 mph (119.53 km/h) |
| 80 mph (128.75 km/h) | 79.22 mph (127.49 km/h) |
| 85 mph (136.79 km/h) | 84.17 mph (135.46 km/h) |
| 90 mph (144.84 km/h) | 89.12 mph (143.43 km/h) |
| 95 mph (152.89 km/h) | 94.07 mph (151.4 km/h) |
| 100 mph (160.93 km/h) | 99.03 mph (159.37 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1831 | 2127 | 2291 | 2392 | 2501 | 2579 | 2665 | 2766 | 2907 | 3047 | 3203 | 3327 | 3553 | 3803 | 3997 | 4122 | 4192 | 4449 | 4808 | 5587 |
Better Fuel Economy Factory Ratios Increased Power
