State comparison · Updated October 2026

Mississippi vs. Tennessee Driving Laws (2026)

Mississippi and Tennessee part ways on 2 of 9 laws we track: phone law and car sales tax.

On a trip from Jackson to Nashville crosses the border, and 2 of the rules switch at the line. Key roads include I-55 on the Mississippi side and I-40 on the side of Tennessee; the capitals, Jackson and Nashville, write the laws for their side.

What changes most: car tax on a $30,000 purchase differs by $600. Residents of Gulfport who drive to Memphis, or vice versa, follow both sets of rules: Mississippi's on I-20 and Tennessee's across the border on I-24. Use the Mississippi vs Tennessee guide when moving from Jackson and Nashville.

For a weekend trip from Jackson to Nashville, pack a helmet and proof of insurance, plan the route ahead of time, and look for the same 70 mph top limit at the border.

TopicMississippiTennessee
Max speed limit 70 mph 70 mph
Phone law Texting ban only Hands-free law
Learner's permit age Permit at 15 Permit at 15
Car insurance 25/50/25 25/50/25
Car sales tax 5% 7%
Car inspection No regular inspection No regular inspection
New resident deadline 30 days 30 days
Helmet law All riders All riders
Lane splitting Not allowed Not allowed
Mississippi vs. Tennessee driving laws side by side: max speed limit 70 mph vs. 70 mph, car insurance 25/50/25 vs. 25/50/25, car sales tax 5% vs. 7%, helmet law All riders vs. All riders
Mississippi and Tennessee at a glance. What changes most: the state tax on a $30,000 car differs by $600.

Driving laws: Mississippi vs Tennessee

Mississippi vs Tennessee: Tennessee and Mississippi agree on max speed limit (70 mph) and learner's permit age: Permit at 15.

Phone law: Mississippi vs Tennessee

Tennessee is stricter on phone law, with Mississippi with texting ban only and Tennessee with hands-free law. A call that is legal close to Jackson can be illegal close to Nashville.

Owning a car side by side: Mississippi vs Tennessee

Mississippi vs Tennessee: Tennessee and Mississippi have the same law for car insurance (25/50/25), No regular inspection for car inspection and new resident deadline: 30 days.

Car sales tax: Mississippi vs Tennessee

Mississippi is lower on car sales tax: Mississippi at 5% and Tennessee with 7%. For a $30,000 purchase, state tax is about $1,500 in Mississippi and $2,100 in Tennessee. Buyers from Gulfport or Memphis owe the tax where the car is registered, wherever they buy.

Motorcycle: Mississippi vs Tennessee

Mississippi vs Tennessee: Mississippi and Tennessee match on helmet law: All motorcyclists and lane splitting (Not allowed).

Moving or buying across the border

  • Mississippi vs Tennessee: relocating from Mississippi to Tennessee means 30 days for the car registration and 30 days for the license switch.
  • The other way: 30 days for registration and 60 days for a license.

Mississippi vs Tennessee: FAQ

Where can you drive faster, Mississippi or Tennessee?

Tennessee and Mississippi each allow up to 70 mph.

Where is the car tax smaller — Mississippi or Tennessee?

Mississippi charges less at the state level (5% vs. 7%).

Is a motorcycle helmet mandatory in both Mississippi and Tennessee?

Mississippi: All motorcyclists; Tennessee: All motorcyclists.

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