Service

Karl GMC of Webster City — Service Center

Service Department

General Questions: 866-254-7672

Call to schedule: 866-254-7672

Schedule Appointment

GMC owners throughout North Central Iowa bring their trucks and SUVs to Karl GMC of Webster City for factory-certified maintenance and repair. Every job is completed with genuine GM parts and manufacturer procedures, a standard the dealer group has held since Carl Moyer opened its doors in 1978.

Certified Service in Webster City

Service Hours

Monday: 7:30 am - 5:30 pm
Tuesday: 7:30 am - 5:30 pm
Wednesday: 7:30 am - 5:30 pm
Thursday: 7:30 am - 5:30 pm
Friday: 7:30 am - 5:30 pm
Saturday: 8:00 am - 12:00 pm
Sunday: Closed

Services We Offer

  • Oil and fluid changes with multi-point inspections
  • Brake pad, rotor, and caliper service
  • Tire rotation, balancing, and replacement
  • Wheel alignment
  • Battery testing and replacement
  • Check engine light and computer diagnostics
  • Transmission service and fluid exchanges
  • Cooling system and radiator repair
  • Factory-scheduled maintenance for all makes and models

GM-Trained Technicians, Right Here in Webster City

The technicians at Karl GMC of Webster City complete ongoing GM factory training and use manufacturer-specified tools and parts on every repair. That gives GMC drivers in Webster City, Fort Dodge, Iowa Falls, Belmond, Humboldt, and Eagle Grove a level of accuracy independent shops can't always match, whether it's a routine oil change or a more involved diagnostic repair.

Karl GMC of Webster City operates under Karl Auto Group, Iowa's number one new car dealer for all brands since 1978 and a 22-time consecutive Chevrolet Dealer of the Year winner, bringing that same standard of care to GMC owners across the region.

Karl GMC of Webster City technician performing service on a vehicle in the shop
Karl GMC of Webster City service advisor at the front desk

One Service Team, Every Make and Model

While the technicians specialize in GMC trucks and SUVs, the Karl GMC of Webster City service bay welcomes just about anything in the driveway. Call 866-254-7672 or book online, and the same crew that services Sierras and Terrains will get to work on your vehicle too, regardless of badge.

Every repair or maintenance visit includes genuine OEM parts and a full multi-point inspection, so small issues get flagged before they turn into bigger repair bills.

Iowa Weather Is Tough on Trucks Too

Between freeze-thaw pothole seasons, road salt, and sharp temperature swings, North Central Iowa puts real wear on suspensions, brakes, and undercarriages. Karl GMC of Webster City's technicians know exactly what to look for and how to fix it right the first time, keeping GMC trucks and SUVs road-ready year-round.

Book a service appointment online or call the service department at 866-254-7672.

Karl GMC of Webster City technician inspecting a tire in the service bay

Frequently Asked Questions — Karl GMC of Webster City Service

Where is the Karl GMC of Webster City service department?+
You'll find the service department at 1705 2nd St in Webster City, Iowa, 50595, right alongside the main dealership showroom.
What kind of work can the Webster City service team handle?+
From oil changes and brake jobs to alignments, battery swaps, diagnostics, transmission work, and cooling system repairs, the team covers routine maintenance and bigger repairs alike for GMC and most other makes and models.
Will they work on my car if it's not a GMC?+
Yes. The technicians are trained on most makes and models, so your vehicle doesn't need a GMC badge to get serviced here.
What's the best way to book an appointment?+
You can schedule online through the Karl GMC of Webster City website or just call the service department at 866-254-7672.
Do they use real GM parts?+
Yes. Genuine OEM GMC parts go into every repair, which helps protect your vehicle's performance and keeps warranty coverage intact.
How far do people drive for service here?+
Customers regularly come in from Fort Dodge, Iowa Falls, Belmond, Humboldt, Eagle Grove, and other North Central Iowa communities outside Webster City itself.
What time does the service department open and close?+
Hours run 7:30 AM to 5:30 PM Monday through Friday, with a shorter Saturday shift from 8:00 AM to 12:00 PM. The department is closed on Sundays.
Are the technicians certified through GM?+
Yes. They go through ongoing GM factory training, part of the same commitment to quality that's earned Karl Auto Group 22 consecutive years as a Chevrolet Dealer of the Year winner since 1978.
Does an oil change include anything beyond just the oil?+
Yes. Every oil change comes with a multi-point inspection so technicians can catch developing issues before they turn into bigger repairs.
Who owns Karl GMC of Webster City?+
It's part of Karl Auto Group, started by Carl Moyer back in 1978 and now recognized as Iowa's top new car dealer across all brands, with 22 straight Chevrolet Dealer of the Year awards from 2004 through 2025.

Tire Price Match Guarantee

Provide us with a better eligible* price at the time of purchase and we'll match it. Find a better price within 30 days of the purchase, and we'll refund the difference.

Eligible Tire Brands: BFGoodrich, Bridgestone, Continental, Cooper, Firestone, General, Goodyear, Hankook, Kelly, Michelin, Pirelli, and Uniroyal.

Coupon Code: 201. *Ad, written estimate, or Internet quote for identical tire(s) from a competing tire retailer/installer located within 100 miles of the dealer required during guarantee period for price match. Tire match price must be determined prior to applying a tire manufacturer rebate, if any. At participating GM dealers only. Offer ends 12/31/2026.

Wiper Blade Rebate

Up to a $30 rebate* on the purchase of three select ACDelco Wiper Blades

Eligible brands are ACDelco Original Equipment ($10 rebate per wiper blade), ACDelco Gold ($7.50 rebate per wiper blade) or ACDelco Silver ($5 rebate per wiper blade).

Coupon Code: 308. *Offer ends 8/31/2026. Limit three rebates per VIN. Purchase must be made at a participating U.S. GM dealer. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details and rebate form, which must be submitted by 9/30/2026.

Battery Rebate

Up to a $30 rebate* on the purchase of one select ACDelco Battery

Eligible brands are ACDelco Gold ($30 rebate) or ACDelco Silver ($15 rebate).

Coupon Code: 309. *Offer ends 8/31/2026. Limit one rebate per VIN. Purchase and installation must be made at a participating U.S. GM dealer. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details and rebate form, which must be submitted by 9/30/2026.

Cabin Air Filter Rebate

Up to a $15 rebate* on the purchase and installation of one select cabin air filter

Eligible brands are ACDelco Original Equipment ($15 rebate) or ACDelco Gold ($10 rebate).

Coupon Code: 314. *Offer ends 8/31/2026. Limit one rebate per VIN. Purchase and installation must be made at a participating U.S. GM dealer. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details and rebate form, which must be submitted by 9/30/2026.

Engine Air Filter Rebate

Up to a $15 rebate* on the purchase and installation of one select engine air filter

Eligible brands are ACDelco Original Equipment ($15 rebate) or ACDelco Gold ($10 rebate).

Coupon Code: 315. *Offer ends 8/31/2026. Limit one rebate per VIN. Purchase and installation must be made at a participating U.S. GM dealer. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details and rebate form, which must be submitted by 9/30/2026.

Brake Pad Rebate

Up to a $60 rebate* on the purchase and installation of select front and rear brake pads

Eligible brands are ACDelco OE or GM Genuine Parts ($30 rebate per brake pad set).

Coupon Code: 303. *Offer ends 8/31/2026. Limit two sets of brake pad rebates per VIN (one per axle). Purchase and installation must be made at a participating U.S. GM dealer. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details and rebate form, which must be submitted by 9/30/2026.

Brake Rotor Rebate

Up to a $60 rebate* on the purchase and installation of four select brake rotors

Eligible brands are ACDelco OE or GM Genuine Parts ($30 rebate per brake rotor set).

Coupon Code: 318. *Offer ends 8/31/2026. Limit two sets of brake rotor rebates per VIN (one per axle). Purchase and installation must be made at a participating U.S. GM dealer. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details and rebate form, which must be submitted by 9/30/2026.

6-Quart ACDelco GM OE dexos®1 Full Synthetic Oil Change on most vehicles*

$109.95

Coupon Code: 204. *Tax and more than 6 quarts of oil extra. Excludes diesel engines and Corvettes. See owner's manual for specific oil grades recommended by vehicle model. Offer ends 9/11/2026

8-Quart ACDelco GM OE dexos®1 Full Synthetic Oil Change on most vehicles*

$119.95

Coupon Code: 224. *Tax and more than 8 quarts of oil extra. 8-quart dexos®R oil change may be required on 2021-2024 6.2L engines, please check with your dealership. Excludes diesel engines and Corvettes. See owner's manual for specific oil grades recommended by vehicle model. Offer ends 9/11/2026

Most GM Genuine Parts Front Brake Pads Installed*

24 Months/Unlimited Mile Warranty**

$549.95

Coupon Code: 235. *Installation and rotor inspection included. Turning or replacing rotors, all other services, and tax extra. Excludes enhanced-performance brake pads and some vehicles. **Please see your Dealer to learn more about the warranty part details and qualifications. Offer ends 9/11/2026

GM Genuine Parts Front Brake Rotors installed on most cars & small SUVs*

24 Months/Unlimited Mile Warranty**

$619.95

Coupon Code: 236. *Tax extra. Excludes coated rotors, enhanced-performance rotors, medium-duty trucks, and other select vehicles. **Please see your Dealer to learn more about the warranty part details and qualifications. Offer ends 9/11/2026

GM Genuine Parts Front Brake Rotors installed on most trucks and full-size SUVs*

24 Months/Unlimited Mile Warranty**

$729.95

Coupon Code: 237. *Tax extra. Excludes coated rotors, enhanced-performance rotors, medium-duty trucks, and other select vehicles. **Please see your Dealer to learn more about the warranty part details and qualifications. Offer ends 9/11/2026

Most ACDelco Gold 42-Mo Batteries Installed*

42-month free-replacement limited warranty**

$334.95

Coupon Code: 240. *Tax extra. Installation extra on some vehicles. **Please see your Dealer to learn more about exclusions and the warranty part details and qualifications. Offer ends 9/11/2026

Most ACDelco GM Original Equipment Wiper Blades (per pair) Installed*

$61.99

Coupon Code: 257. *Tax extra. Installation extra on some vehicles. Offer ends 9/11/2026

Most ACDelco Gold 36-Mo AGM Batteries Installed*

36-month free-replacement limited warranty**

$439.95

Coupon Code: 279. *Tax extra. Installation extra on some vehicles. **Please see your Dealer to learn more about exclusions and the warranty part details and qualifications. Offer ends 9/11/2026

Most ACDelco GM Original Equipment Engine Air Filters Installed*

$61.95

Coupon Code: 281. *Tax extra. Installation extra on some vehicles. Offer ends 9/11/2026

$200 Rebate*

on the purchase and installation of select GM Genuine Parts Engines, Transmissions, and Transfer Cases

Coupon Code: 317. *Rebate available to retail customers with a U.S. mailing address only. Purchase and installation must be at a participating U.S. GM Dealership. Transmissions exclude Saab, Chevrolet Medium-/Heavy-Duty Trucks, and GMC Medium-/Heavy-Duty Trucks. Rebate offer not valid with other offers. Limit one rebate per service performed per date and vehicle. Allow 6 to 8 weeks from promotion end date for delivery of Visa® Prepaid Card. See mycertifiedservicerebates.com for details and rebate form. GM has the right to alter or cancel promotions. Rebate must be submitted by 10/31/2026. Offer ends 9/30/2026.


FEATURED SERVICES

Multi-Point Vehicle Inspection*

Help keep your vehicle performing at its best with a thorough assessment of vehicle health indicators.

Oil Change

Regular oil changes are vital to your vehicle's function.

Tires

Roll down the road with confidence.

Brakes

For reliable stopping power, brake components must be monitored regularly.

Batteries

Power your next adventure with our latest batteries.

Additional Services

Find more services for your vehicle.

SCHEDULE CERTIFIED SERVICE NEAR YOU

Set up a time for our expert technicians to assess your vehicle.

Schedule Service

Keep Your Sierra 1500, Acadia, Terrain, Sierra 2500 HD or Canyon in Top Shape Near Fort Dodge, Iowa Falls, Belmond and Humboldt

If you've ever received unsatisfactory service on your GMC model, then you understand the value of a team who knows what your car needs for optimum performance. When you bring your vehicle to Karl GMC Webster City, you can count on our trained technicians to do it right the first time because they have the right tools for the job. To us, you're more than a customer; you're family.

Karl GMC Webster City is Here for Your Maintenance and Repair Needs

All cars need a little routine maintenance now and then to keep everything running smoothly. Oil changes, tire rotations, filter changes, and other basic services work together to help your GMC model perform at its best, and it reduces the risk of running into bigger car problems further down the line. Whether your car needs some basic maintenance or some in-depth repairs, you can count on our service center in Webster City to get the job done and help you get the most out of your ride.

Make an appointment with our Webster City GMC service center online today

From our convenient location in Webster City, we've served drivers from all over Fort Dodge, Iowa Falls, Belmond and Humboldt, and we'd love for you to be one of them. Feel free to get in touch with us over the phone, or schedule a service appointment online today to get the care your car needs at a time that best suits your schedule.