Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 265/35-21 | 295/30-21 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.3 (718.9) | 27.97 (710.4) | -0.33 (-8.5) -1.2% |
| Width inches (mm) | 10.43 (265) | 11.61 (295) | 1.18 (30) 11.3% |
| Circum. inches (mm) | 88.92 (2258.49) | 87.87 (2231.79) | -1.05 (-26.7) -1.2% |
| Sidewall Height inches (mm) | 3.65 (92.75) | 3.48 (88.5) | -0.17 (-4.25) -4.6% |
| Revolutions per mile (km) | 712.57 (442.77) | 721.1 (448.07) | 8.53 (5.3) 1.2% |
295/30-21 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 19.76 mph (31.81 km/h) |
| 25 mph (40.23 km/h) | 24.7 mph (39.76 km/h) |
| 30 mph (48.28 km/h) | 29.65 mph (47.71 km/h) |
| 35 mph (56.33 km/h) | 34.59 mph (55.66 km/h) |
| 40 mph (64.37 km/h) | 39.53 mph (63.61 km/h) |
| 45 mph (72.42 km/h) | 44.47 mph (71.56 km/h) |
| 50 mph (80.47 km/h) | 49.41 mph (79.52 km/h) |
| 55 mph (88.51 km/h) | 54.35 mph (87.47 km/h) |
| 60 mph (96.56 km/h) | 59.29 mph (95.42 km/h) |
| 65 mph (104.61 km/h) | 64.23 mph (103.37 km/h) |
| 70 mph (112.65 km/h) | 69.17 mph (111.32 km/h) |
| 75 mph (120.7 km/h) | 74.11 mph (119.27 km/h) |
| 80 mph (128.75 km/h) | 79.05 mph (127.23 km/h) |
| 85 mph (136.79 km/h) | 83.99 mph (135.18 km/h) |
| 90 mph (144.84 km/h) | 88.94 mph (143.13 km/h) |
| 95 mph (152.89 km/h) | 93.88 mph (151.08 km/h) |
| 100 mph (160.93 km/h) | 98.82 mph (159.03 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1835 | 2132 | 2296 | 2397 | 2507 | 2585 | 2671 | 2772 | 2913 | 3053 | 3209 | 3334 | 3561 | 3811 | 4006 | 4131 | 4201 | 4459 | 4818 | 5599 |
Better Fuel Economy Factory Ratios Increased Power
