Service
Service Department
General Questions: 866-254-7672
Call to schedule: 866-254-7672
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.
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.
Frequently Asked Questions — Karl GMC of Webster City Service
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.
Brake Pad Rebate
Up to a $60 rebate* on the purchase and installation of select front and rear brake pads
Eligible brands are GM Genuine Parts ($30 rebate per brake pad set), ACDelco Gold ($20 rebate per brake pad set) or ACDelco Silver ($15 rebate per brake pad set).
Coupon Code: 303. *Offer ends 11/30/2026. Purchase and installation must be made at a participating U.S. GM Dealer. Limit two brake pad rebate claims per VIN (one per axle). Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details around how to claim rebate, which must be submitted by 12/31/2026.
Brake Rotor Rebate
Up to a $60 rebate* on the purchase and installation of four select brake rotors
Eligible brands are GM Genuine Parts ($30 rebate per brake rotor set), ACDelco Gold ($20 rebate per brake rotor set) or ACDelco Silver ($15 rebate per brake rotor set).
Coupon Code: 318. *Offer ends 11/30/2026. Purchase and installation must be made at a participating U.S. GM Dealer. Limit two brake rotor rebate claims per VIN (one per axle). Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details around how to claim rebate, which must be submitted by 12/31/2026.
Tire Offer
Buy 3, get 1 for $1 on select tires*
Coupon Code: 301. *Offer ends 11/30/2026. See participating GM Dealerships for details and list of tire brands. Purchase and installation must be made at a participating U.S. GM Dealer. Highest or equal value tire will be $1. Maximum consumer purchase price of $450 per tire. Additional taxes and fees may apply. Offer subject to availability and may change at any time. Limit one offer per VIN. No other tire offers apply. DEALER INSTRUCTIONS: For each valid tire offer redeemed at your dealership 10/1/2026-11/30/2026, claims for reimbursement can be submitted via the GM Tire Central website.
Tire Pressure Monitor Sensor Rebate
Up to a $40 rebate* on the purchase and installation of four select tire pressure monitor sensors
Eligible brands are GM Genuine Parts or ACDelco Original Equipment ($10 rebate per sensor).
Coupon Code: 313. *Offer ends 11/30/2026. Purchase and installation must be made at a participating U.S. GM Dealer. Limit four tire pressure monitor sensor rebate claims per VIN. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details around how to claim rebate, which must be submitted by 12/31/2026.
Shock Rebate
Up to an $80 rebate* on the purchase and installation of four select shocks
Eligible brands are GM Genuine Parts ($20 rebate per shock), ACDelco Gold ($15 rebate per shock) or ACDelco Silver ($10 rebate per shock).
Coupon Code: 319. *Offer ends 11/30/2026. Purchase and installation must be made at a participating U.S. GM Dealer. Limit four shock rebate claims per VIN. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details around how to claim rebate, which must be submitted by 12/31/2026.
Strut Rebate
Up to an $80 rebate* on the purchase and installation of four select struts
Eligible brands are GM Genuine Parts ($20 rebate per strut), ACDelco Gold ($15 rebate per strut) or ACDelco Silver ($10 rebate per strut).
Coupon Code: 320. *Offer ends 11/30/2026. Purchase and installation must be made at a participating U.S. GM Dealer. Limit four strut rebate claims per VIN. Rebate will be issued as a Visa® Gift Card. See mycertifiedservicerebates.com for details around how to claim rebate, which must be submitted by 12/31/2026.
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 12/7/2026
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 12/7/2026
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 12/7/2026
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 12/7/2026
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 12/7/2026
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 12/7/2026
Most ACDelco GM Original Equipment Wiper Blades (per pair) Installed*
$61.99
Coupon Code: 257. *Tax extra. Installation extra on some vehicles. Offer ends 12/7/2026
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 12/7/2026
Most ACDelco GM Original Equipment Engine Air Filters Installed*
$61.95
Coupon Code: 281. *Tax extra. Installation extra on some vehicles. Offer ends 12/7/2026
1705 W 2nd Street, Webster City, IA 50595
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 ServiceKeep 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.