Which cars protect their people? Real-world outcomes, graded

Steering wheel lock

A visible deterrent that works: thieves at a car park choose the car without one. Sold Secure Diamond-rated bars resist attack for minutes thieves don't have.

~£40–£70 · Full guide →

OBD port lock

Many thefts of modern cars go through the diagnostic port — plug in, program a blank key, drive away. A port lock blocks the route.

~£25–£50 · Full guide →

GPS tracker (Thatcham-approved)

Doesn't stop the theft — gets the car back. Thatcham S5/S7 trackers materially raise recovery rates and can cut insurance premiums.

~£100–£300 + subscription · Full guide →

Dashcam (parking mode)

Evidence for theft attempts, vandalism and car-park hits while parked — and after a collision, footage that turns a 50/50 liability dispute into a clear non-fault claim.

~£50–£150 · Full guide →

Catalytic converter lock

Hybrids are targeted for the precious metals in their cats — cut out in under two minutes, £1,000+ to replace. A bolted guard plate or clamp makes the job too slow and loud to attempt.

~£60–£200 · Full guide →

Locking wheel nuts

Alloys vanish off driveways overnight — four wheels gone on bricks by morning. A decent locking nut set on each wheel makes yours the car they skip.

~£20–£40 · Full guide →