Tire Size Finder (optional):
Stock Sizes
- 255/75-16
Plus Sizes
- 255/75-16
Accepts P-Metric and Inches
| 165/80-17 | 165/70-16 | Difference | |
|---|---|---|---|
| Diameter inches (mm) | 27.39 (695.8) | 25.09 (637.4) | -2.3 (-58.4) -8.4% |
| Width inches (mm) | 6.5 (165) | 6.5 (165) | 0 (0) 0% |
| Circum. inches (mm) | 86.06 (2185.92) | 78.84 (2002.45) | -7.22 (-183.47) -8.4% |
| Sidewall Height inches (mm) | 5.2 (132) | 4.55 (115.5) | -0.65 (-16.5) -12.5% |
| Revolutions per mile (km) | 736.23 (457.47) | 803.69 (499.39) | 67.46 (41.91) 9.2% |
Speedometer Difference
| Speedo Reading | Actual Speed |
|---|---|
| 20 mph (32.19 km/h) | 18.32 mph (29.49 km/h) |
| 25 mph (40.23 km/h) | 22.9 mph (36.86 km/h) |
| 30 mph (48.28 km/h) | 27.48 mph (44.23 km/h) |
| 35 mph (56.33 km/h) | 32.06 mph (51.6 km/h) |
| 40 mph (64.37 km/h) | 36.64 mph (58.97 km/h) |
| 45 mph (72.42 km/h) | 41.22 mph (66.34 km/h) |
| 50 mph (80.47 km/h) | 45.8 mph (73.71 km/h) |
| 55 mph (88.51 km/h) | 50.38 mph (81.08 km/h) |
| 60 mph (96.56 km/h) | 54.96 mph (88.46 km/h) |
| 65 mph (104.61 km/h) | 59.54 mph (95.83 km/h) |
| 70 mph (112.65 km/h) | 64.12 mph (103.2 km/h) |
| 75 mph (120.7 km/h) | 68.71 mph (110.57 km/h) |
| 80 mph (128.75 km/h) | 73.29 mph (117.94 km/h) |
| 85 mph (136.79 km/h) | 77.87 mph (125.31 km/h) |
| 90 mph (144.84 km/h) | 82.45 mph (132.68 km/h) |
| 95 mph (152.89 km/h) | 87.03 mph (140.06 km/h) |
| 100 mph (160.93 km/h) | 91.61 mph (147.43 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2045 | 2376 | 2559 | 2672 | 2794 | 2881 | 2976 | 3090 | 3246 | 3403 | 3577 | 3716 | 3969 | 4247 | 4465 | 4604 | 4682 | 4969 | 5370 | 6240 |
Better Fuel Economy Factory Ratios Increased Power
