Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/40-16 | 205/40-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 21.2 (538.4) | 23.46 (595.8) | 2.26 (57.4) 10.7% |
| Width inches (mm) | 6.5 (165) | 8.07 (205) | 1.57 (40) 24.2% |
| Circum. inches (mm) | 66.59 (1691.43) | 73.69 (1871.76) | 7.1 (180.33) 10.7% |
| Sidewall Height inches (mm) | 2.6 (66) | 3.23 (82) | 0.63 (16) 24.2% |
| Revolutions per mile (km) | 951.47 (591.21) | 859.8 (534.26) | -91.67 (-56.96) -9.6% |
205/40-17 Tires
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 22.13 mph (35.62 km/h) |
| 25 mph (40.23 km/h) | 27.67 mph (44.52 km/h) |
| 30 mph (48.28 km/h) | 33.2 mph (53.43 km/h) |
| 35 mph (56.33 km/h) | 38.73 mph (62.33 km/h) |
| 40 mph (64.37 km/h) | 44.26 mph (71.24 km/h) |
| 45 mph (72.42 km/h) | 49.8 mph (80.14 km/h) |
| 50 mph (80.47 km/h) | 55.33 mph (89.05 km/h) |
| 55 mph (88.51 km/h) | 60.86 mph (97.95 km/h) |
| 60 mph (96.56 km/h) | 66.4 mph (106.86 km/h) |
| 65 mph (104.61 km/h) | 71.93 mph (115.76 km/h) |
| 70 mph (112.65 km/h) | 77.46 mph (124.66 km/h) |
| 75 mph (120.7 km/h) | 83 mph (133.57 km/h) |
| 80 mph (128.75 km/h) | 88.53 mph (142.47 km/h) |
| 85 mph (136.79 km/h) | 94.06 mph (151.38 km/h) |
| 90 mph (144.84 km/h) | 99.6 mph (160.28 km/h) |
| 95 mph (152.89 km/h) | 105.13 mph (169.19 km/h) |
| 100 mph (160.93 km/h) | 110.66 mph (178.09 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2188 | 2542 | 2737 | 2858 | 2989 | 3082 | 3184 | 3305 | 3473 | 3641 | 3827 | 3976 | 4246 | 4544 | 4776 | 4925 | 5009 | 5316 | 5745 | 6676 |
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