Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/30-21 | 265/35-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.26 (692.4) | 28.3 (718.9) | 1.04 (26.5) 3.8% |
| Width inches (mm) | 10.43 (265) | 10.43 (265) | 0 (0) 0% |
| Circum. inches (mm) | 85.64 (2175.24) | 88.92 (2258.49) | 3.28 (83.25) 3.8% |
| Sidewall Height inches (mm) | 3.13 (79.5) | 3.65 (92.75) | 0.52 (13.25) 16.7% |
| Revolutions per mile (km) | 739.85 (459.72) | 712.57 (442.77) | -27.27 (-16.95) -3.7% |
265/35-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.77 mph (33.42 km/h) |
| 25 mph (40.23 km/h) | 25.96 mph (41.77 km/h) |
| 30 mph (48.28 km/h) | 31.15 mph (50.13 km/h) |
| 35 mph (56.33 km/h) | 36.34 mph (58.48 km/h) |
| 40 mph (64.37 km/h) | 41.53 mph (66.84 km/h) |
| 45 mph (72.42 km/h) | 46.72 mph (75.19 km/h) |
| 50 mph (80.47 km/h) | 51.91 mph (83.55 km/h) |
| 55 mph (88.51 km/h) | 57.1 mph (91.9 km/h) |
| 60 mph (96.56 km/h) | 62.3 mph (100.26 km/h) |
| 65 mph (104.61 km/h) | 67.49 mph (108.61 km/h) |
| 70 mph (112.65 km/h) | 72.68 mph (116.97 km/h) |
| 75 mph (120.7 km/h) | 77.87 mph (125.32 km/h) |
| 80 mph (128.75 km/h) | 83.06 mph (133.68 km/h) |
| 85 mph (136.79 km/h) | 88.25 mph (142.03 km/h) |
| 90 mph (144.84 km/h) | 93.44 mph (150.38 km/h) |
| 95 mph (152.89 km/h) | 98.64 mph (158.74 km/h) |
| 100 mph (160.93 km/h) | 103.83 mph (167.09 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
