I'm thinking about getting a set for my SDL.

Also I can get them in either H or V speed rating, any advantage to the higher speed rating? Would they track better on the highway?

225/55HR16
Load Index 95 = 1521lbs (690kg) per tire
Speed Rating “H” = 130mph (210kph) 95H SL Treadwear: 740
Traction: A
Temperature: A740 A A

225/55VR16
Load Index 95 = 1521lbs (690kg) per tire
Speed Rating “V” = 149mph (240kph) 95V SL Treadwear: 440
Traction: AA
Temperature: A440 AA A

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

We've got 'em on our wagon. Don't have enough time/miles to offer any solid info apart from the fact they're very quiet and road-forced out with the lowest numbers I've seen for any tire at any price.