Spark Plugs - V8 labor time

1.8 hrtypical
1.5 to 2.3hours on most vehicles
$270typical labor at $150/hr

Spark Plugs - V8 takes about 1.8 hr of shop labor on a typical vehicle. Across 2,870 vehicle and engine combinations from 53 makes, most fall between 1.5 and 2.3 hours, and the longest take up to 3.0 hours. Cadillac, Mercedes-Benz and Jaguar vehicles tend to take the longest; Scion, Renault and Hyundai the least. The exact time depends on your car, so look yours up below or pick it on the home page.

per hour

Enter a rate to see the labor cost of each job. Many US shops charge somewhere between $100 and $200 an hour.

At $150 an hour, labor for this job is usually $225 to $345, about $270 on a typical vehicle. Parts are extra.

How long it takes across all vehicles

Hours, in half hour steps. Each bar is how many vehicle and engine combinations fall in that range.

Spark Plugs - V8 time by make

MakeTypicalMost vehiclesVehicles
Cadillac2.3 hr2.2 to 2.388
Mercedes-Benz2.3 hr2.0 to 2.760
Jaguar2.3 hr2.0 to 2.747
Land Rover2.3 hr2.0 to 2.334
BMW2.2 hr2.0 to 2.7339
Audi2.2 hr2.2 to 2.219
Porsche2.0 hr2.0 to 2.255
Alfa Romeo2.0 hr2.0 to 2.213
Ford1.8 hr1.5 to 2.3457
Chevrolet1.8 hr1.5 to 1.8302
GMC1.8 hr1.5 to 1.8184
Ram1.8 hr1.5 to 1.8143
Pontiac1.8 hr1.7 to 1.853
Mercury1.8 hr1.5 to 1.844
Buick1.8 hr1.5 to 1.824
AMC1.8 hr1.5 to 1.815
Studebaker1.8 hr1.5 to 1.813
Mini1.7 hr1.5 to 1.767
Jeep1.7 hr1.5 to 1.836
Saab1.7 hr1.5 to 1.77
Smart1.7 hr1.7 to 1.76
Dodge1.5 hr1.5 to 1.8199
Mazda1.5 hr1.5 to 1.578
Morgan1.5 hr1.5 to 1.567
Toyota1.5 hr1.5 to 1.564
Chrysler1.5 hr1.5 to 1.561
Volkswagen1.5 hr1.5 to 1.752
Oldsmobile1.5 hr1.5 to 1.850
Honda1.5 hr1.5 to 1.747
Plymouth1.5 hr1.5 to 1.835
Mitsubishi1.5 hr1.5 to 1.534
Kia1.5 hr1.5 to 1.733
Isuzu1.5 hr1.5 to 1.727
Saturn1.5 hr1.5 to 1.526
Nissan1.5 hr1.5 to 1.516
Subaru1.5 hr1.5 to 1.713
Suzuki1.5 hr1.5 to 1.511
Hyundai1.5 hr1.5 to 1.710
Renault1.5 hr1.5 to 1.58
Scion1.5 hr1.5 to 1.56

Other ignition repairs

Hours are what a professional technician takes with the right tools, the same way shops quote jobs. Figures come from the Open Labor Project database.