1999-2009 [Subscribe to Daily Digest] |
Dimensions
Dimension Tire A: 215/55 R 16
(25 x 8.46 x 16) Tire B: 225/50 R 16
(25 x 8.86 x 16) Difference
Width
Sidewall height
Overall height
Circumference
8.46" (215.00mm)
4.66" (118.25mm)
25.31" (642.90mm)
79.52" (2019.73mm)
8.86" (225.00mm)
4.43" (112.50mm)
24.86" (631.40mm)
78.09" (1983.60mm)
+0.39" (+10.00mm)
-0.23" (-5.75mm)
-0.45" (-11.50mm)
-1.42" (-36.13mm)
Speedometer Error
Actual Speed Indicated Speed with Tire B Speedometer Error
5 mph (8.04 kph) 5.09 mph (8.19 kph) +0.09 mph (+0.15 kph)
10 mph (16.09 kph) 10.18 mph (16.38 kph) +0.18 mph (+0.29 kph)
15 mph (24.13 kph) 15.27 mph (24.57 kph) +0.27 mph (+0.44 kph)
20 mph (32.18 kph) 20.36 mph (32.77 kph) +0.36 mph (+0.59 kph)
25 mph (40.23 kph) 25.46 mph (40.96 kph) +0.46 mph (+0.73 kph)
30 mph (48.27 kph) 30.55 mph (49.15 kph) +0.55 mph (+0.88 kph)
35 mph (56.31 kph) 35.64 mph (57.34 kph) +0.64 mph (+1.03 kph)
40 mph (64.36 kph) 40.73 mph (65.53 kph) +0.73 mph (+1.17 kph)
45 mph (72.41 kph) 45.82 mph (73.72 kph) +0.82 mph (+1.32 kph)
50 mph (80.45 kph) 50.91 mph (81.92 kph) +0.91 mph (+1.47 kph)
55 mph (88.50 kph) 56.00 mph (90.11 kph) +1.00 mph (+1.61 kph)
60 mph (96.54 kph) 61.09 mph (98.30 kph) +1.09 mph (+1.76 kph)
65 mph (104.58 kph) 66.18 mph (106.49 kph) +1.18 mph (+1.90 kph)
70 mph (112.63 kph) 71.27 mph (114.68 kph) +1.27 mph (+2.05 kph)
75 mph (120.67 kph) 76.37 mph (122.87 kph) +1.37 mph (+2.20 kph)
80 mph (128.72 kph) 81.46 mph (131.06 kph) +1.46 mph (+2.34 kph)
85 mph (136.76 kph) 86.55 mph (139.26 kph) +1.55 mph (+2.49 kph)
90 mph (144.81 kph) 91.64 mph (147.45 kph) +1.64 mph (+2.64 kph)
95 mph (152.85 kph) 96.73 mph (155.64 kph) +1.73 mph (+2.78 kph)
100 mph (160.90 kph) 101.82 mph (163.83 kph) +1.82 mph (+2.93 kph)
105 mph (168.94 kph) 106.91 mph (172.02 kph) +1.91 mph (+3.08 kph)
110 mph (176.99 kph) 112.00 mph (180.21 kph) +2.00 mph (+3.22 kph)
115 mph (185.03 kph) 117.09 mph (188.41 kph) +2.09 mph (+3.37 kph)
120 mph (193.08 kph) 122.19 mph (196.60 kph) +2.19 mph (+3.52 kph)
125 mph (201.12 kph) 127.28 mph (204.79 kph) +2.28 mph (+3.66 kph)
130 mph (209.17 kph) 132.37 mph (212.98 kph) +2.37 mph (+3.81 kph)
135 mph (217.22 kph) 137.46 mph (221.17 kph) +2.46 mph (+3.96 kph)
140 mph (225.26 kph) 142.55 mph (229.36 kph) +2.55 mph (+4.10 kph)
145 mph (233.31 kph) 147.64 mph (237.55 kph) +2.64 mph (+4.25 kph)
150 mph (241.35 kph) 152.73 mph (245.75 kph) +2.73 mph (+4.40 kph)
155 mph (249.40 kph) 157.82 mph (253.94 kph) +2.82 mph (+4.54 kph)
160 mph (257.44 kph) 162.91 mph (262.13 kph) +2.91 mph (+4.69 kph)
165 mph (265.49 kph) 168.01 mph (270.32 kph) +3.01 mph (+4.84 kph)
170 mph (273.53 kph) 173.10 mph (278.51 kph) +3.10 mph (+4.98 kph)
175 mph (281.57 kph) 178.19 mph (286.70 kph) +3.19 mph (+5.13 kph)
180 mph (289.62 kph) 183.28 mph (294.89 kph) +3.28 mph (+5.27 kph)
185 mph (297.67 kph) 188.37 mph (303.09 kph) +3.37 mph (+5.42 kph)
190 mph (305.71 kph) 193.46 mph (311.28 kph) +3.46 mph (+5.57 kph)
195 mph (313.75 kph) 198.55 mph (319.47 kph) +3.55 mph (+5.71 kph)
200 mph (321.80 kph) 203.64 mph (327.66 kph) +3.64 mph (+5.86 kph)
If your speedometer has been calibrated for 215/55 R 16 (25 x 8.46 x 16) tires, replacing them with 225/50 R 16's (26 x 8.86 x 16's) would result in the speedometer reading high by 1.82%.
posted by 24.160.181...
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.
![]() |
![]() |
![]() |
![]() |
![]() |