Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 255/30-24 | 275/30-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 30.02 (762.6) | 30.5 (774.6) | 0.47 (12) 1.6% |
| Width inches (mm) | 10.04 (255) | 10.83 (275) | 0.79 (20) 7.8% |
| Circum. inches (mm) | 94.32 (2395.78) | 95.81 (2433.48) | 1.48 (37.7) 1.6% |
| Sidewall Height inches (mm) | 3.01 (76.5) | 3.25 (82.5) | 0.24 (6) 7.8% |
| Revolutions per mile (km) | 671.74 (417.4) | 661.34 (410.93) | -10.41 (-6.47) -1.5% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.31 mph (32.69 km/h) |
| 25 mph (40.23 km/h) | 25.39 mph (40.87 km/h) |
| 30 mph (48.28 km/h) | 30.47 mph (49.04 km/h) |
| 35 mph (56.33 km/h) | 35.55 mph (57.21 km/h) |
| 40 mph (64.37 km/h) | 40.63 mph (65.39 km/h) |
| 45 mph (72.42 km/h) | 45.71 mph (73.56 km/h) |
| 50 mph (80.47 km/h) | 50.79 mph (81.73 km/h) |
| 55 mph (88.51 km/h) | 55.87 mph (89.91 km/h) |
| 60 mph (96.56 km/h) | 60.94 mph (98.08 km/h) |
| 65 mph (104.61 km/h) | 66.02 mph (106.25 km/h) |
| 70 mph (112.65 km/h) | 71.1 mph (114.43 km/h) |
| 75 mph (120.7 km/h) | 76.18 mph (122.6 km/h) |
| 80 mph (128.75 km/h) | 81.26 mph (130.77 km/h) |
| 85 mph (136.79 km/h) | 86.34 mph (138.95 km/h) |
| 90 mph (144.84 km/h) | 91.42 mph (147.12 km/h) |
| 95 mph (152.89 km/h) | 96.49 mph (155.29 km/h) |
| 100 mph (160.93 km/h) | 101.57 mph (163.47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1683 | 1955 | 2106 | 2199 | 2299 | 2370 | 2449 | 2542 | 2671 | 2800 | 2943 | 3058 | 3266 | 3495 | 3674 | 3788 | 3853 | 4089 | 4419 | 5135 |
Better Fuel Economy Factory Ratios Increased Power
