Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 305/40-23 | 275/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 32.61 (828.2) | 25.66 (651.8) | -6.94 (-176.4) -21.3% |
| Width inches (mm) | 12.01 (305) | 10.83 (275) | -1.18 (-30) -9.8% |
| Circum. inches (mm) | 102.44 (2601.87) | 80.62 (2047.69) | -21.82 (-554.18) -21.3% |
| Sidewall Height inches (mm) | 4.8 (122) | 4.33 (110) | -0.47 (-12) -9.8% |
| Revolutions per mile (km) | 618.53 (384.34) | 785.93 (488.35) | 167.4 (104.02) 27.1% |
275/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 15.74 mph (25.33 km/h) |
| 25 mph (40.23 km/h) | 19.68 mph (31.66 km/h) |
| 30 mph (48.28 km/h) | 23.61 mph (38 km/h) |
| 35 mph (56.33 km/h) | 27.55 mph (44.33 km/h) |
| 40 mph (64.37 km/h) | 31.48 mph (50.66 km/h) |
| 45 mph (72.42 km/h) | 35.42 mph (57 km/h) |
| 50 mph (80.47 km/h) | 39.35 mph (63.33 km/h) |
| 55 mph (88.51 km/h) | 43.29 mph (69.66 km/h) |
| 60 mph (96.56 km/h) | 47.22 mph (75.99 km/h) |
| 65 mph (104.61 km/h) | 51.16 mph (82.33 km/h) |
| 70 mph (112.65 km/h) | 55.09 mph (88.66 km/h) |
| 75 mph (120.7 km/h) | 59.03 mph (94.99 km/h) |
| 80 mph (128.75 km/h) | 62.96 mph (101.33 km/h) |
| 85 mph (136.79 km/h) | 66.9 mph (107.66 km/h) |
| 90 mph (144.84 km/h) | 70.83 mph (113.99 km/h) |
| 95 mph (152.89 km/h) | 74.77 mph (120.32 km/h) |
| 100 mph (160.93 km/h) | 78.7 mph (126.66 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2000 | 2323 | 2502 | 2613 | 2732 | 2817 | 2911 | 3021 | 3175 | 3328 | 3498 | 3634 | 3881 | 4153 | 4366 | 4502 | 4579 | 4860 | 5251 | 6102 |
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