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Observe S944

Observe S944 is the latest tire to benefit from Nano Balance Technology. All-new materials, construction and compounds combine to offer safe, comfortable driving which can still be enjoyed when the weather turns cooler.

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EU Label data
Rolling Resistance
C-F
C F
Wet Grip
B
B
Noise
69dB 71dB
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Features and benefits

Snow performance

Shorter braking distance and enhanced handling stability in winter weather conditions

Wet performance

New compound provides good braking performance on wet roads

Directional Tread Design

Good balance between drainage and traction performance

Traction Sipe

Improves snow traction

Connected tread block

Improves stability and cornering

Specifications

Rim Diameter
20
Load Speed Index
94V
Tread Depth (mm)
8.2
Overall Diameter (mm)
688.0
Overall Width (mm)
230.0
Approved Rim Width Range (inch)
7.5-8-9.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
225/40 R20 20 94V 8.2 688 230 7.5-8-9.0 E B 71 dB
Rim Diameter
19
Load Speed Index
99V
Tread Depth (mm)
8.7
Overall Diameter (mm)
731.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
19
Load Speed Index
96W XL
Tread Depth (mm)
8.3
Overall Diameter (mm)
685.0
Overall Width (mm)
225.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
19
Load Speed Index
93V XL
Tread Depth (mm)
8.2
Overall Diameter (mm)
663.0
Overall Width (mm)
230.0
Approved Rim Width Range (inch)
7.5-8-9.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
225/55 R19 19 99V 8.7 731 233 6.0-7-8.0 E B 71 dB
225/45 R19 19 96W XL 8.3 685 225 7.0-7.5-8.5 E B 71 dB
225/40 R19 19 93V XL 8.2 663 230 7.5-8-9.0 F B 71 dB
Rim Diameter
18
Load Speed Index
86V
Tread Depth (mm)
8.0
Overall Diameter (mm)
621.0
Overall Width (mm)
212.0
Approved Rim Width Range (inch)
7.0-7.5-8.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
99V XL
Tread Depth (mm)
8.6
Overall Diameter (mm)
693.0
Overall Width (mm)
226.0
Approved Rim Width Range (inch)
6.0-7-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
92V TL
Tread Depth (mm)
8.4
Overall Diameter (mm)
673.0
Overall Width (mm)
226.0
Approved Rim Width Range (inch)
6.0-7-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
93V XL
Tread Depth (mm)
8.2
Overall Diameter (mm)
651.0
Overall Width (mm)
213.0
Approved Rim Width Range (inch)
7.0-7.0-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
89V XL
Tread Depth (mm)
8.1
Overall Diameter (mm)
629.0
Overall Width (mm)
218.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
F
Wet Grip
B
Noise
-
Noise dB
-
Rim Diameter
18
Load Speed Index
104V XL
Tread Depth (mm)
8.8
Overall Diameter (mm)
727.0
Overall Width (mm)
228.0
Approved Rim Width Range (inch)
6.0-6.5-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
102V XL
Tread Depth (mm)
8.7
Overall Diameter (mm)
705.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
95W
Tread Depth (mm)
8.3
Overall Diameter (mm)
683.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7-8.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
95V XL
Tread Depth (mm)
8.3
Overall Diameter (mm)
659.0
Overall Width (mm)
225.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
18
Load Speed Index
92W XL
Tread Depth (mm)
8.2
Overall Diameter (mm)
637.0
Overall Width (mm)
230.0
Approved Rim Width Range (inch)
7.0-8-9.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
205/40 R18 18 86V 8.0 621 212 7.0-7.5-8.0 F B 71 dB
215/55 R18 18 99V XL 8.6 693 226 6.0-7-7.5 E B 71 dB
215/50 R18 18 92V TL 8.4 673 226 6.0-7-7.5 E B 71 dB
215/45 R18 18 93V XL 8.2 651 213 7.0-7.0-8.0 E B 71 dB
215/40 R18 18 89V XL 8.1 629 218 7.0-7.5-8.5 F B - -
225/60 R18 18 104V XL 8.8 727 228 6.0-6.5-8.0 E B 71 dB
225/55 R18 18 102V XL 8.7 705 233 6.0-7-8.0 E B 71 dB
225/50 R18 18 95W 8.3 683 233 6.0-7-8.0 F B 71 dB
225/45 R18 18 95V XL 8.3 659 225 7.0-7.5-8.5 F B 71 dB
225/40 R18 18 92W XL 8.2 637 230 7.0-8-9.0 F B 71 dB
Rim Diameter
17
Load Speed Index
95V XL
Tread Depth (mm)
8.5
Overall Diameter (mm)
658.0
Overall Width (mm)
214.0
Approved Rim Width Range (inch)
5.5-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
88H XL
Tread Depth (mm)
8.1
Overall Diameter (mm)
616.0
Overall Width (mm)
206.0
Approved Rim Width Range (inch)
6.5-7-7.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
103V XL
Tread Depth (mm)
8.8
Overall Diameter (mm)
712.0
Overall Width (mm)
221.0
Approved Rim Width Range (inch)
6.0-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
100V XL
Tread Depth (mm)
8.7
Overall Diameter (mm)
690.0
Overall Width (mm)
221.0
Approved Rim Width Range (inch)
6.0-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
98V XL
Tread Depth (mm)
8.6
Overall Diameter (mm)
668.0
Overall Width (mm)
226.0
Approved Rim Width Range (inch)
6.0-7-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
95V XL
Tread Depth (mm)
8.4
Overall Diameter (mm)
648.0
Overall Width (mm)
226.0
Approved Rim Width Range (inch)
6.0-7-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
91H XL
Tread Depth (mm)
8.2
Overall Diameter (mm)
626.0
Overall Width (mm)
213.0
Approved Rim Width Range (inch)
7.0-7-8.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
87V XL
Tread Depth (mm)
8.1
Overall Diameter (mm)
604.0
Overall Width (mm)
218.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
106H XL
Tread Depth (mm)
8.9
Overall Diameter (mm)
724.0
Overall Width (mm)
228.0
Approved Rim Width Range (inch)
6.0-6.5-8.0
Rolling Resistance
C
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
103V XL
Tread Depth (mm)
8.8
Overall Diameter (mm)
702.0
Overall Width (mm)
228.0
Approved Rim Width Range (inch)
6.0-6.5-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
101V XL
Tread Depth (mm)
8.7
Overall Diameter (mm)
680.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7-8.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
98V XL
Tread Depth (mm)
8.5
Overall Diameter (mm)
658.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
17
Load Speed Index
94V XL
Tread Depth (mm)
8.3
Overall Diameter (mm)
634.0
Overall Width (mm)
225.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
205/55 R17 17 95V XL 8.5 658 214 5.5-6.5-7.5 E B 71 dB
205/45 R17 17 88H XL 8.1 616 206 6.5-7-7.5 F B 71 dB
215/65 R17 17 103V XL 8.8 712 221 6.0-6.5-7.5 E B 71 dB
215/60 R17 17 100V XL 8.7 690 221 6.0-6.5-7.5 E B 71 dB
215/55 R17 17 98V XL 8.6 668 226 6.0-7-7.5 E B 71 dB
215/50 R17 17 95V XL 8.4 648 226 6.0-7-7.5 E B 71 dB
215/45 R17 17 91H XL 8.2 626 213 7.0-7-8.0 F B 71 dB
215/40 R17 17 87V XL 8.1 604 218 7.0-7.5-8.5 F B 71 dB
225/65 R17 17 106H XL 8.9 724 228 6.0-6.5-8.0 C B 71 dB
225/60 R17 17 103V XL 8.8 702 228 6.0-6.5-8.0 E B 71 dB
225/55 R17 17 101V XL 8.7 680 233 6.0-7-8.0 F B 71 dB
225/50 R17 17 98V XL 8.5 658 233 6.0-7-8.0 E B 71 dB
225/45 R17 17 94V XL 8.3 634 225 7.0-7.5-8.5 F B 71 dB
Rim Diameter
16
Load Speed Index
86H
Tread Depth (mm)
8.4
Overall Diameter (mm)
628.0
Overall Width (mm)
189.0
Approved Rim Width Range (inch)
5.0-5.5-6.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
16
Load Speed Index
81H
Tread Depth (mm)
7.7
Overall Diameter (mm)
592.0
Overall Width (mm)
194.0
Approved Rim Width Range (inch)
5.0-6-6.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
16
Load Speed Index
91H XL
Tread Depth (mm)
8.4
Overall Diameter (mm)
620.0
Overall Width (mm)
201.0
Approved Rim Width Range (inch)
5.5-6-7.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
88H XL
Tread Depth (mm)
8.2
Overall Diameter (mm)
602.0
Overall Width (mm)
201.0
Approved Rim Width Range (inch)
5.5-6-7.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
84H XL
Tread Depth (mm)
7.9
Overall Diameter (mm)
582.0
Overall Width (mm)
195.0
Approved Rim Width Range (inch)
6.0-6.5-7.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
95V
Tread Depth (mm)
8.7
Overall Diameter (mm)
672.0
Overall Width (mm)
209.0
Approved Rim Width Range (inch)
5.5-6-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
96H XL
Tread Depth (mm)
8.6
Overall Diameter (mm)
652.0
Overall Width (mm)
209.0
Approved Rim Width Range (inch)
5.5-6-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
91H
Tread Depth (mm)
8.5
Overall Diameter (mm)
632.0
Overall Width (mm)
214.0
Approved Rim Width Range (inch)
5.5-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
69 dB
Rim Diameter
16
Load Speed Index
94V XL
Tread Depth (mm)
8.5
Overall Diameter (mm)
632.0
Overall Width (mm)
214.0
Approved Rim Width Range (inch)
5.5-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
104H XL
Tread Depth (mm)
8.9
Overall Diameter (mm)
708.0
Overall Width (mm)
221.0
Approved Rim Width Range (inch)
5.5-6.5-7.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
102H XL
Tread Depth (mm)
8.8
Overall Diameter (mm)
686.0
Overall Width (mm)
221.0
Approved Rim Width Range (inch)
6.0-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
99H XL
Tread Depth (mm)
8.7
Overall Diameter (mm)
664.0
Overall Width (mm)
221.0
Approved Rim Width Range (inch)
6.0-6.5-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
97H XL
Tread Depth (mm)
8.6
Overall Diameter (mm)
642.0
Overall Width (mm)
226.0
Approved Rim Width Range (inch)
6.0-7-7.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
90H XL
Tread Depth (mm)
8.2
Overall Diameter (mm)
600.0
Overall Width (mm)
213.0
Approved Rim Width Range (inch)
7.0-7-8.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
86H XL
Tread Depth (mm)
8.1
Overall Diameter (mm)
578.0
Overall Width (mm)
218.0
Approved Rim Width Range (inch)
7.0-7.5-8.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
16
Load Speed Index
99V XL
Tread Depth (mm)
8.7
Overall Diameter (mm)
654.0
Overall Width (mm)
233.0
Approved Rim Width Range (inch)
6.0-7.0-8.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
185/60 R16 16 86H 8.4 628 189 5.0-5.5-6.5 F B 70 dB
185/50 R16 16 81H 7.7 592 194 5.0-6-6.5 F B 70 dB
195/55 R16 16 91H XL 8.4 620 201 5.5-6-7.0 E B 71 dB
195/50 R16 16 88H XL 8.2 602 201 5.5-6-7.0 E B 71 dB
195/45 R16 16 84H XL 7.9 582 195 6.0-6.5-7.5 F B 71 dB
205/65 R16 16 95V 8.7 672 209 5.5-6-7.5 E B 71 dB
205/60 R16 16 96H XL 8.6 652 209 5.5-6-7.5 E B 71 dB
205/55 R16 16 91H 8.5 632 214 5.5-6.5-7.5 E B 69 dB
205/55 R16 16 94V XL 8.5 632 214 5.5-6.5-7.5 E B 71 dB
215/70 R16 16 104H XL 8.9 708 221 5.5-6.5-7.0 E B 71 dB
215/65 R16 16 102H XL 8.8 686 221 6.0-6.5-7.5 E B 71 dB
215/60 R16 16 99H XL 8.7 664 221 6.0-6.5-7.5 E B 71 dB
215/55 R16 16 97H XL 8.6 642 226 6.0-7-7.5 E B 71 dB
215/45 R16 16 90H XL 8.2 600 213 7.0-7-8.0 F B 71 dB
215/40 R16 16 86H XL 8.1 578 218 7.0-7.5-8.5 F B 71 dB
225/55 R16 16 99V XL 8.7 654 233 6.0-7.0-8.0 E B 71 dB
Rim Diameter
15
Load Speed Index
88T XL
Tread Depth (mm)
8.0
Overall Diameter (mm)
609.0
Overall Width (mm)
177.0
Approved Rim Width Range (inch)
5.0-5-6.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
15
Load Speed Index
92H XL
Tread Depth (mm)
8.5
Overall Diameter (mm)
621.0
Overall Width (mm)
189.0
Approved Rim Width Range (inch)
5.0-5.5-6.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
15
Load Speed Index
88H XL
Tread Depth (mm)
8.4
Overall Diameter (mm)
603.0
Overall Width (mm)
189.0
Approved Rim Width Range (inch)
5.0-5.5-6.5
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
15
Load Speed Index
82H
Tread Depth (mm)
7.9
Overall Diameter (mm)
585.0
Overall Width (mm)
194.0
Approved Rim Width Range (inch)
5.0-6-6.5
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
70 dB
Rim Diameter
15
Load Speed Index
91H
Tread Depth (mm)
8.6
Overall Diameter (mm)
635.0
Overall Width (mm)
201.0
Approved Rim Width Range (inch)
5.5-6-7.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
15
Load Speed Index
95T XL
Tread Depth (mm)
8.6
Overall Diameter (mm)
635.0
Overall Width (mm)
201.0
Approved Rim Width Range (inch)
5.5-6-7.0
Rolling Resistance
E
Wet Grip
B
Noise
Noise dB
71 dB
Rim Diameter
15
Load Speed Index
89H XL
Tread Depth (mm)
8.4
Overall Diameter (mm)
595.0
Overall Width (mm)
201.0
Approved Rim Width Range (inch)
5.5-6-7.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
71 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
175/65 R15 15 88T XL 8.0 609 177 5.0-5-6.0 E B 70 dB
185/65 R15 15 92H XL 8.5 621 189 5.0-5.5-6.5 F B 70 dB
185/60 R15 15 88H XL 8.4 603 189 5.0-5.5-6.5 F B 70 dB
185/55 R15 15 82H 7.9 585 194 5.0-6-6.5 E B 70 dB
195/65 R15 15 91H 8.6 635 201 5.5-6-7.0 E B 71 dB
195/65 R15 15 95T XL 8.6 635 201 5.5-6-7.0 E B 71 dB
195/55 R15 15 89H XL 8.4 595 201 5.5-6-7.0 F B 71 dB
Rim Diameter
14
Load Speed Index
86T XL
Tread Depth (mm)
8.0
Overall Diameter (mm)
584.0
Overall Width (mm)
177.0
Approved Rim Width Range (inch)
5.0-5-6.0
Rolling Resistance
F
Wet Grip
B
Noise
Noise dB
70 dB
Tire Size Rim Diameter Load Speed Index Tread Depth (mm) Overall Diameter (mm) Overall Width (mm) Approved Rim Width Range (inch)
175/65 R14 14 86T XL 8.0 584 177 5.0-5-6.0 F B 70 dB

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