Oklahoma drivers are fiercely loyal when it comes to trucks — and the Ford vs. Chevy debate is as alive here as anywhere in the country. But beyond the brand loyalties, the real question for practical owners is: which costs more to maintain and repair over the long haul? At Norm’s Auto Clinic in Coweta, we’ve serviced both extensively, and we can give you an honest, data-based comparison.

Routine Maintenance — Neck and Neck

For standard maintenance — oil changes, tire rotation, brake service, air filters — Ford and Chevy trucks cost nearly identical amounts. The main variable is engine type:
- V8 oil changes (both brands, synthetic): – — essentially the same
- EcoBoost / Duramax diesel: Ford’s diesel adds – over gas; Chevy’s Duramax similarly
- Brake service: Comparable costs — – for front pads and rotors on either brand
- Spark plugs: Ford’s EcoBoost plugs are – (higher labor); Chevy’s V8 iridium plugs are –
The Big Differences — Where Costs Diverge
Chevy’s AFM Problem vs Ford’s EcoBoost Issues
The single biggest cost difference between these brands is a specific failure mode each has:
Chevy’s AFM lifter failure (5.3L and 6.2L V8): The Active Fuel Management cylinder deactivation system fails at a disproportionate rate. Full AFM lifter replacement including camshaft work runs ,500–,500. This is a common repair on 5.3L trucks between 80,000–150,000 miles, particularly if oil change intervals were stretched.
Ford’s EcoBoost issues (3.5L and 2.7L): Carbon buildup on intake valves (walnut blasting: –) and timing chain wear from oil neglect (,500–,500 to replace) are the major EcoBoost-specific repairs. These are less frequent than Chevy’s lifter problem but represent meaningful costs when they occur.

Long-Term Cost Comparison Over 150,000 Miles
When we look at lifetime service costs for a well-maintained truck reaching 150,000 miles:
- Chevy 5.3L Silverado without AFM failure: Comparable to a Ford 5.0L F-150 — well within either direction over the life of the truck
- Chevy 5.3L Silverado with an AFM event: The single repair adds ,500–,500, significantly changing the long-term cost picture
- Ford 3.5L EcoBoost with intake cleaning and chain: Two major service events totaling ,800–,000, making it comparable to a Chevy AFM repair in cost but slightly less likely to occur with good maintenance
- Naturally aspirated V8 from either brand (Ford 5.0L, Chevy 4.3L or 5.3L pre-AFM): Most cost-effective long-term options — simpler engines with fewer failure modes
The Verdict — What We Tell Customers
Honestly, both Ford and Chevy trucks are capable, durable vehicles with comparable long-term costs when properly maintained. The brand that costs less over time is often determined by your specific engine choice and how religiously you maintain it — not the badge on the grille. A Chevy 5.3L with diligent oil changes (avoiding AFM failure) will cost about the same as a Ford 5.0L over 150,000 miles.
Ford and Chevy Truck Service in Coweta, Oklahoma

At Norm’s Auto Clinic in Coweta, we don’t play favorites — we service both Ford and Chevy trucks with equal expertise and the same honest approach. Whether you drive a Silverado or an F-150, we’ll maintain it right and tell you honestly what it needs. Located at 19 N. Broadway, Coweta, OK 74429. Call (918) 279-8100.
