Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/90-17 | 225/95-17 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 28.69 (728.8) | 33.83 (859.3) | 5.14 (130.5) 17.9% |
| Width inches (mm) | 6.5 (165) | 8.86 (225) | 2.36 (60) 36.4% |
| Circum. inches (mm) | 90.14 (2289.59) | 106.28 (2699.57) | 16.14 (409.98) 17.9% |
| Sidewall Height inches (mm) | 5.85 (148.5) | 8.42 (213.75) | 2.57 (65.25) 43.9% |
| Revolutions per mile (km) | 702.9 (436.76) | 596.15 (370.43) | -106.75 (-66.33) -15.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 23.58 mph (37.95 km/h) |
| 25 mph (40.23 km/h) | 29.48 mph (47.44 km/h) |
| 30 mph (48.28 km/h) | 35.37 mph (56.93 km/h) |
| 35 mph (56.33 km/h) | 41.27 mph (66.41 km/h) |
| 40 mph (64.37 km/h) | 47.16 mph (75.9 km/h) |
| 45 mph (72.42 km/h) | 53.06 mph (85.39 km/h) |
| 50 mph (80.47 km/h) | 58.95 mph (94.88 km/h) |
| 55 mph (88.51 km/h) | 64.85 mph (104.36 km/h) |
| 60 mph (96.56 km/h) | 70.74 mph (113.85 km/h) |
| 65 mph (104.61 km/h) | 76.64 mph (123.34 km/h) |
| 70 mph (112.65 km/h) | 82.53 mph (132.83 km/h) |
| 75 mph (120.7 km/h) | 88.43 mph (142.31 km/h) |
| 80 mph (128.75 km/h) | 94.32 mph (151.8 km/h) |
| 85 mph (136.79 km/h) | 100.22 mph (161.29 km/h) |
| 90 mph (144.84 km/h) | 106.12 mph (170.78 km/h) |
| 95 mph (152.89 km/h) | 112.01 mph (180.26 km/h) |
| 100 mph (160.93 km/h) | 117.91 mph (189.75 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1517 | 1762 | 1898 | 1982 | 2072 | 2137 | 2208 | 2292 | 2408 | 2524 | 2653 | 2757 | 2944 | 3150 | 3312 | 3415 | 3473 | 3686 | 3983 | 4629 |
Better Fuel Economy Factory Ratios Increased Power
