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Test Charts / Auto Zeitung

2025 AZ Summer Tire Test

Compare each discipline in the tested size. See the measured result, position and gap to the best tire, then read the verdict for the trade-offs behind the finishing order.

Tested size
225/45 R18
Tires tested
10
Disciplines
12

Read the measurements, not just the rank

Lower is better for braking distances and lap times; higher is better for subjective scores and aquaplaning speed. Bars start at zero. Read the gap alongside the position: adjacent tires can be separated by very different margins.

Positions and gaps always refer to the full test field within each group. Selecting tires does not recalculate rankings or change the best-in-test benchmark.

Dry

2

Dry Braking

Dry braking in feet (62 - 0 mph)

Lower is better ↓
Dry Braking
Position / TireResultGap to bestResidual speed
108 ft Best 0 mph
109 ft +1 ft 8 mph
110 ft +2 ft 10 mph
110 ft +2 ft 11 mph
110 ft +2 ft 11 mph
111 ft +3 ft 13 mph
112 ft +4 ft 15 mph
115 ft +7 ft 19 mph
118 ft +10 ft 23 mph
121 ft +13 ft 26 mph

The difference between best and worst was 11.8% (13 ft ≈ 0.9 Car Lengths). From 80 mph, the Mastersteel Super Sport 2 would still be travelling at 26 mph when the Bridgestone Potenza Sport had stopped.

Residual speed is calculated from the measured braking distances, assuming constant deceleration; it is not a separate measurement.

Dry Handling

Dry handling time in seconds

Lower is better ↓
Dry Handling
Position / TireResultGap to best
68.7 s Best
68.8 s +0.10 s
69.1 s +0.40 s
69.3 s +0.60 s
69.4 s +0.70 s
69.5 s +0.80 s
69.6 s +0.90 s
69.6 s +0.90 s
70.9 s +2.20 s
71.5 s +2.80 s

The difference between best and worst was 4.1% (2.8 s).

Wet

4

Wet Braking

Wet braking in feet (62 - 0 mph)

Lower is better ↓
Wet Braking
Position / TireResultGap to bestResidual speed
137 ft Best 0 mph
139 ft +2 ft 10 mph
142 ft +5 ft 15 mph
146 ft +9 ft 19 mph
148 ft +11 ft 22 mph
153 ft +16 ft 26 mph
155 ft +18 ft 27 mph
158 ft +21 ft 29 mph
171 ft +34 ft 35 mph
173 ft +36 ft 36 mph

The difference between best and worst was 26.1% (36 ft ≈ 2.4 Car Lengths). From 80 mph, the Mastersteel Super Sport 2 would still be travelling at 36 mph when the Continental PremiumContact 7 had stopped.

Residual speed is calculated from the measured braking distances, assuming constant deceleration; it is not a separate measurement.

Wet Handling

Wet handling time in seconds

Lower is better ↓
Wet Handling
Position / TireResultGap to best
69.7 s Best
69.9 s +0.20 s
70.2 s +0.50 s
70.2 s +0.50 s
70.8 s +1.10 s
72.6 s +2.90 s
72.8 s +3.10 s
74 s +4.30 s
74.9 s +5.20 s
77 s +7.30 s

The difference between best and worst was 10.5% (7.3 s).

Wet Circle

Wet Circle Lap Time in seconds

Lower is better ↓
Wet Circle
Position / TireResultGap to best
11.11 s Best
11.13 s +0.02 s
11.18 s +0.07 s
11.2 s +0.09 s
11.37 s +0.26 s
11.51 s +0.40 s
11.52 s +0.41 s
11.71 s +0.60 s
11.93 s +0.82 s
12.58 s +1.47 s

The difference between best and worst was 13.2% (1.47 s).

Straight Aqua

Float Speed in mph

Higher is better ↑
Straight Aqua
Position / TireResultGap to best
47.6 mph Best
47.2 mph -0.4 mph
47.0 mph -0.6 mph
46.8 mph -0.8 mph
46.7 mph -0.9 mph
46.4 mph -1.2 mph
45.8 mph -1.8 mph
45.5 mph -2.1 mph
45.4 mph -2.2 mph
44.0 mph -3.6 mph

The difference between best and worst was 7.6% (3.6 mph).

Comfort

2

Subj. Comfort

Subjective Comfort Score

Higher is better ↑
Subj. Comfort
Position / TireResultGap to best
10 Points Best
8 Points -2.00 Points
8 Points -2.00 Points
7 Points -3.00 Points
7 Points -3.00 Points
7 Points -3.00 Points
7 Points -3.00 Points
6 Points -4.00 Points
6 Points -4.00 Points
6 Points -4.00 Points

The difference between best and worst was 40% (4 Points).

Noise

External noise in dB

Lower is better ↓
Noise
Position / TireResultGap to best
67 dB Best
68 dB +1.00 dB
68 dB +1.00 dB
69 dB +2.00 dB
69 dB +2.00 dB
69 dB +2.00 dB
70 dB +3.00 dB
70 dB +3.00 dB
70 dB +3.00 dB
71 dB +4.00 dB

The difference between best and worst was 6% (4 dB).

Value

4

Wear

Predicted tread life in KM

Higher is better ↑
Wear
Position / TireResultGap to best
31,069 miles Best
27,962 miles -3,107 miles
26,408 miles -4,661 miles
24,855 miles -6,214 miles
21,748 miles -9,321 miles
20,195 miles -10,874 miles
20,195 miles -10,874 miles
18,641 miles -12,428 miles
12,427 miles -18,642 miles
12,427 miles -18,642 miles

The difference between best and worst was 60% (18,642 miles).

Value

Euros/1000km based on cost/wear

Lower is better ↓
Value
Position / TireResultGap to bestcost per 1,000 miles
13.3 Price/1000 Best €29.44
14.38 Price/1000 +1.08 Price/1000 €33.75
15 Price/1000 +1.70 Price/1000 €29.77
15.5 Price/1000 +2.20 Price/1000 €40.40
15.88 Price/1000 +2.58 Price/1000 €33.41
16.67 Price/1000 +3.37 Price/1000 €38.00
17.85 Price/1000 +4.55 Price/1000 €40.86
18 Price/1000 +4.70 Price/1000 €48.37
19 Price/1000 +5.70 Price/1000 €42.71
21.38 Price/1000 +8.08 Price/1000 €45.11

The difference between best and worst was 60.8% (8.08 Price/1000). Over 25,000 miles the cheapest tire to own (Goodyear Eagle F1 Asymmetric 6) works out €473 cheaper than the most expensive (Bridgestone Potenza Sport).

How this is calculated

Assumes a typical car doing 29 mpg (rolling resistance causing 20% of fuel use), fuel at €6.25 per gallon and €70 fitting per set of four. Purchase prices are from the time of the 2025 test; financing costs are excluded.

Rolling Resistance

Rolling resistance in kg t

Lower is better ↓
Rolling Resistance
Position / TireResultGap to bestExtra fuel / year
7.35 kg/t Best $0
8.25 kg/t +0.90 kg/t $36
8.35 kg/t +1.00 kg/t $40
8.6 kg/t +1.25 kg/t $50
8.7 kg/t +1.35 kg/t $54
8.8 kg/t +1.45 kg/t $58
8.85 kg/t +1.50 kg/t $60
8.85 kg/t +1.50 kg/t $60
9.05 kg/t +1.70 kg/t $68
10.15 kg/t +2.80 kg/t $112

The difference between best and worst was 38.1% (2.8 kg / t). Over 12,000 miles a year at $3.60/gal, the Bridgestone Potenza Sport uses about 31 gal ($112) more fuel than the Mastersteel Super Sport 2.

Adjust the assumptions

Calculated estimates, not additional measurements. Use the controls to explore the assumptions. These calculators use the full test field, independently of your tire selection above.

12,000 mi
$3.60/gal
Estimates based on typical driving conditions. Rolling resistance accounts for approximately 20% of IC vehicle fuel consumption and 25% of EV energy consumption. Actual savings vary based on driving style, vehicle weight, road conditions, and tire age. For comparative purposes only. Lifetime savings based on a 40,000km / 25,000 mile tread life.

Abrasion

Millimeter of tread lost per 1000km driven

Lower is better ↓
Abrasion
Position / TireResultGap to best
0.09 mm/1000km Best
0.09 mm/1000km Best
0.1 mm/1000km +0.01 mm/1000km
0.11 mm/1000km +0.02 mm/1000km
0.11 mm/1000km +0.02 mm/1000km
0.11 mm/1000km +0.02 mm/1000km
0.12 mm/1000km +0.03 mm/1000km
0.13 mm/1000km +0.04 mm/1000km
0.15 mm/1000km +0.06 mm/1000km
0.19 mm/1000km +0.10 mm/1000km

The difference between best and worst was 111.1% (0.1 mm/1000km).

Test setup & methodology

The test setting, the conditions recorded and how the results contribute to the score.

Recorded test conditions

Recorded test conditions

Dry Braking
62.1 → 0.0 mph
Wet Braking
62.1 → 0.0 mph

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