Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 295/25-21 | 265/30-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 26.81 (680.9) | 27.26 (692.4) | 0.45 (11.5) 1.7% |
| Width inches (mm) | 11.61 (295) | 10.43 (265) | -1.18 (-30) -10.2% |
| Circum. inches (mm) | 84.22 (2139.11) | 85.64 (2175.24) | 1.42 (36.13) 1.7% |
| Sidewall Height inches (mm) | 2.9 (73.75) | 3.13 (79.5) | 0.23 (5.75) 7.8% |
| Revolutions per mile (km) | 752.34 (467.48) | 739.85 (459.72) | -12.5 (-7.76) -1.7% |
265/30-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.34 mph (32.73 km/h) |
| 25 mph (40.23 km/h) | 25.42 mph (40.91 km/h) |
| 30 mph (48.28 km/h) | 30.51 mph (49.1 km/h) |
| 35 mph (56.33 km/h) | 35.59 mph (57.28 km/h) |
| 40 mph (64.37 km/h) | 40.68 mph (65.46 km/h) |
| 45 mph (72.42 km/h) | 45.76 mph (73.64 km/h) |
| 50 mph (80.47 km/h) | 50.84 mph (81.83 km/h) |
| 55 mph (88.51 km/h) | 55.93 mph (90.01 km/h) |
| 60 mph (96.56 km/h) | 61.01 mph (98.19 km/h) |
| 65 mph (104.61 km/h) | 66.1 mph (106.37 km/h) |
| 70 mph (112.65 km/h) | 71.18 mph (114.56 km/h) |
| 75 mph (120.7 km/h) | 76.27 mph (122.74 km/h) |
| 80 mph (128.75 km/h) | 81.35 mph (130.92 km/h) |
| 85 mph (136.79 km/h) | 86.44 mph (139.1 km/h) |
| 90 mph (144.84 km/h) | 91.52 mph (147.29 km/h) |
| 95 mph (152.89 km/h) | 96.6 mph (155.47 km/h) |
| 100 mph (160.93 km/h) | 101.69 mph (163.65 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1883 | 2187 | 2355 | 2460 | 2572 | 2652 | 2740 | 2844 | 2988 | 3133 | 3293 | 3421 | 3653 | 3910 | 4110 | 4238 | 4310 | 4575 | 4943 | 5744 |
Better Fuel Economy Factory Ratios Increased Power
