Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 275/40-24 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 32.66 (829.6) | 0.06 (1.4) 0.2% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 102.44 (2601.87) | 102.61 (2606.27) | 0.17 (4.4) 0.2% |
| Sidewall Height inches (mm) | 4.8 (122) | 4.33 (110) | -0.47 (-12) -9.8% |
| Revolutions per mile (km) | 618.53 (384.34) | 617.49 (383.69) | -1.04 (-0.65) -0.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.03 mph (32.24 km/h) |
| 25 mph (40.23 km/h) | 25.04 mph (40.3 km/h) |
| 30 mph (48.28 km/h) | 30.05 mph (48.36 km/h) |
| 35 mph (56.33 km/h) | 35.06 mph (56.42 km/h) |
| 40 mph (64.37 km/h) | 40.07 mph (64.48 km/h) |
| 45 mph (72.42 km/h) | 45.08 mph (72.54 km/h) |
| 50 mph (80.47 km/h) | 50.08 mph (80.6 km/h) |
| 55 mph (88.51 km/h) | 55.09 mph (88.66 km/h) |
| 60 mph (96.56 km/h) | 60.1 mph (96.72 km/h) |
| 65 mph (104.61 km/h) | 65.11 mph (104.78 km/h) |
| 70 mph (112.65 km/h) | 70.12 mph (112.84 km/h) |
| 75 mph (120.7 km/h) | 75.13 mph (120.91 km/h) |
| 80 mph (128.75 km/h) | 80.14 mph (128.97 km/h) |
| 85 mph (136.79 km/h) | 85.14 mph (137.03 km/h) |
| 90 mph (144.84 km/h) | 90.15 mph (145.09 km/h) |
| 95 mph (152.89 km/h) | 95.16 mph (153.15 km/h) |
| 100 mph (160.93 km/h) | 100.17 mph (161.21 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1571 | 1825 | 1966 | 2053 | 2146 | 2213 | 2287 | 2374 | 2494 | 2615 | 2748 | 2855 | 3049 | 3263 | 3430 | 3537 | 3597 | 3818 | 4126 | 4794 |
Better Fuel Economy Factory Ratios Increased Power
