Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 275/35-21 | 265/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.58 (725.9) | 28.3 (718.9) | -0.28 (-7) -1% |
| Width inches (mm) | 10.83 (275) | 10.43 (265) | -0.39 (-10) -3.6% |
| Circum. inches (mm) | 89.78 (2280.48) | 88.92 (2258.49) | -0.87 (-21.99) -1% |
| Sidewall Height inches (mm) | 3.79 (96.25) | 3.65 (92.75) | -0.14 (-3.5) -3.6% |
| Revolutions per mile (km) | 705.7 (438.5) | 712.57 (442.77) | 6.87 (4.27) 1% |
265/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.81 mph (31.88 km/h) |
| 25 mph (40.23 km/h) | 24.76 mph (39.85 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) | 44.57 mph (71.72 km/h) |
| 50 mph (80.47 km/h) | 49.52 mph (79.69 km/h) |
| 55 mph (88.51 km/h) | 54.47 mph (87.66 km/h) |
| 60 mph (96.56 km/h) | 59.42 mph (95.63 km/h) |
| 65 mph (104.61 km/h) | 64.37 mph (103.6 km/h) |
| 70 mph (112.65 km/h) | 69.32 mph (111.57 km/h) |
| 75 mph (120.7 km/h) | 74.28 mph (119.54 km/h) |
| 80 mph (128.75 km/h) | 79.23 mph (127.51 km/h) |
| 85 mph (136.79 km/h) | 84.18 mph (135.48 km/h) |
| 90 mph (144.84 km/h) | 89.13 mph (143.44 km/h) |
| 95 mph (152.89 km/h) | 94.08 mph (151.41 km/h) |
| 100 mph (160.93 km/h) | 99.04 mph (159.38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1813 | 2107 | 2269 | 2369 | 2477 | 2554 | 2639 | 2739 | 2878 | 3017 | 3171 | 3295 | 3519 | 3766 | 3959 | 4082 | 4151 | 4406 | 4761 | 5533 |
Better Fuel Economy Factory Ratios Increased Power
