Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 275/45-23 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 32.74 (831.7) | 0.14 (3.5) 0.4% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 102.44 (2601.87) | 102.87 (2612.86) | 0.43 (11) 0.4% |
| Sidewall Height inches (mm) | 4.8 (122) | 4.87 (123.75) | 0.07 (1.75) 1.4% |
| Revolutions per mile (km) | 618.53 (384.34) | 615.93 (382.72) | -2.6 (-1.62) -0.4% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 20.08 mph (32.32 km/h) |
| 25 mph (40.23 km/h) | 25.11 mph (40.4 km/h) |
| 30 mph (48.28 km/h) | 30.13 mph (48.48 km/h) |
| 35 mph (56.33 km/h) | 35.15 mph (56.57 km/h) |
| 40 mph (64.37 km/h) | 40.17 mph (64.65 km/h) |
| 45 mph (72.42 km/h) | 45.19 mph (72.73 km/h) |
| 50 mph (80.47 km/h) | 50.21 mph (80.81 km/h) |
| 55 mph (88.51 km/h) | 55.23 mph (88.89 km/h) |
| 60 mph (96.56 km/h) | 60.25 mph (96.97 km/h) |
| 65 mph (104.61 km/h) | 65.27 mph (105.05 km/h) |
| 70 mph (112.65 km/h) | 70.3 mph (113.13 km/h) |
| 75 mph (120.7 km/h) | 75.32 mph (121.21 km/h) |
| 80 mph (128.75 km/h) | 80.34 mph (129.29 km/h) |
| 85 mph (136.79 km/h) | 85.36 mph (137.37 km/h) |
| 90 mph (144.84 km/h) | 90.38 mph (145.45 km/h) |
| 95 mph (152.89 km/h) | 95.4 mph (153.53 km/h) |
| 100 mph (160.93 km/h) | 100.42 mph (161.61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1567 | 1821 | 1961 | 2048 | 2141 | 2208 | 2281 | 2368 | 2488 | 2608 | 2741 | 2848 | 3041 | 3255 | 3422 | 3528 | 3588 | 3809 | 4115 | 4782 |
Better Fuel Economy Factory Ratios Increased Power
