McDonald's Menu Prices at 7890 Mexico Rd ★3.5 (1203)

7890 Mexico Rd, St. Peters, MO 63376

Photos & Reviews

McDonald's store photo
McDonald's store photo
McDonald's store photo
McDonald's store photo
Jacob a week ago
★★★★☆

I recently visited McDonald’s, and I have mixed feelings, but overall it was a solid experience. Starting with the food, the classic items like the Big Mac, fries, and McNuggets are exactly what you expect — consistent, familiar, and satisfying if you’re craving that signature fast-food taste. The fries are hot and crispy when fresh, though sometimes they can get a little soggy during busy times. The burgers are generally well-prepared, though occasionally the patty-to-bun ratio can feel off, and some items may arrive slightly lukewarm if it’s a rush period. One thing I appreciate about McDonald’s is the menu variety. They’ve added healthier options like salads, fruit, and grilled chicken sandwiches, which is nice if you want to balance out the classic indulgent items. Seasonal items and promotions also make each visit a little different. The service is usually fast and efficient. At peak hours, the drive-thru can be slow, but the staff is typically friendly and does a good job handling the rush. Inside, the ordering kiosks are convenient, though they can be a bit confusing for first-time users or kids. Cleanliness at the location I visited was decent. Tables and floors were generally tidy, though sometimes the dining area can get messy during lunch or dinner rushes. Bathrooms vary greatly by location — some are well-maintained, others could use improvement. Pricing is reasonable for the portion sizes, and the value meals offer a good deal if you’re looking for a quick, filling meal on a budget. Mobile ordering and delivery options make it very convenient for those on the go. Overall, McDonald’s is dependable for fast, consistent meals, especially if you’re craving familiar comfort food. It’s not gourmet, but it hits the mark for quick bites, convenience, and affordability.

Fred Douglas 4 weeks ago
★☆☆☆☆

I don’t think I’ve ever been to this drive thru and actually got what I ordered. Earlier this week I ordered a bacon egg and sausage McGriddle meal and got a bacon McGriddle and no hashbrown. This morning I decided to try again, ordered a sausage egg and cheese McGriddle and got a piece of sausage on a biscuit. No egg no cheese just sausage on biscuit. So annoying

Coriasa Hankes 2 months ago
★☆☆☆☆

I went through the McDonald's drive-thru tonight to get dinner for myself and my kids. I got through their orders just fine, but when I was asked if that was it, which I answered with 'no', I got cut off by whoever was taking orders, talked over me when I tried to say I wasn't done, bulldozed over me, and closed out the order entirely. Paid just fine to someone else who looked like she wanted to be anywhere but work. When I got to pick up the kid's orders, because parents can't eat apparently, the lady asked what sauce the kids wanted, which is always and forever ketchup. Handed me the happy meals and we left. We just now opened the boxes and found BBQ sauce which my kids hate. Not a good experience and will be boycotting this location forever.

Tristan Shroyer a month ago
★★★★★

I've always loved going to this McDonald's ever since I was a kid. This location always has the best food and I've never found another McDonald's that can beat it. If you are in the area I highly recommend giving this spot a try!

Margaret Skinner 3 weeks ago
★★★★★

Went through the drive thru. The people were very nice. The food was hot and fresh.

ZIP 63376 St. Peters Missouri ☀️ 68°F · Sunny · Oct 18
All St. Peters prices →
🗺️

After your meal, explore a variety of nearby attractions that cater to all interests! From outdoor parks perfect for family picnics to exciting entertainment centers for fun-filled days, there's something for everyone.

👨‍👩‍👧 families
St. Peters Rec-Plex
A state-of-the-art recreational facility featuring swimming pools, ice rinks, and fitness classes.
🌟 all
370 Lakeside Park
A 300-acre park with a 140-acre lake, offering fishing, boating, and walking trails.
🧑 young adults
Mid Rivers Mall
The largest shopping center in St. Charles County, featuring over 140 stores and a food court.
🌟 families|young adults
Kokomo Joe's Family Fun Center
An entertainment center offering arcade games, laser tag, and mini-golf.
🌟 all
Great Skate Roller Rink
A roller skating rink offering open skating sessions and roller hockey events.
👨‍👩‍👧 families
Woodlands Sports Park
A 93-acre park featuring ball diamonds, soccer fields, and fishing lakes.
👨‍👩‍👧 families
City Centre Park
A 78-acre park with baseball diamonds, biking and hiking trails, and an inclusive playground.
👨‍👩‍👧 families
Laurel Park
A 47-acre park with playgrounds, ball fields, and a walking trail, ideal for family outings.
👨‍👩‍👧 families
Spencer Creek Park
A 40-acre park offering various sports facilities, playground, and a trail system.
🌟 all
St. Peters Cultural Arts Centre
A venue offering art exhibitions, classes, and cultural events for art enthusiasts.
🌟 families|young adults
Cave Springs Bowl
A 32-lane bowling alley with live entertainment on select nights.
🌟 families|young adults
Harvest Lanes
A bowling alley offering 24 lanes, snack bar, and league play.
🌟 families|young adults
Brunswick Zone XL - St. Peters
A bowling center with open and league bowling, laser tag arena, and arcade games.
🌟 all
Vetta's Sports Club
A sports facility hosting soccer leagues for all ages and sports camps.
👨‍👩‍👧 families
Shady Springs Park
A 14-acre park with baseball diamonds, playground, and a fitness trail.
👨‍👩‍👧 families
Old Town Park
An 8-acre park with ball diamonds and a playground, hosts community events.
🌟 all
Vantage Park
A 23-acre park with a catch-and-release fishing lake and picnic areas.
👨‍👩‍👧 families
Rabbit Run Park
A 110-acre park featuring ball diamonds and soccer fields, great for sports.
🌟 all
Trailwoods Park
A 3-acre park with a walking trail around a small lake, surrounded by wildlife.

McDonald's 7890 Mexico Rd — Frequently Asked Questions

McDonald's menu prices at 7890 Mexico Rd, St. Peters MO in 2026
The McDonald's menu at 7890 Mexico Rd in St. Peters, MO currently lists Big Mac at $4.99, Medium Fries at $3.49, and 20-piece Chicken McNuggets at $7.89. This store is also showing limited-time items including Derpy McFlurry at $5.49, Ramyeon McShaker Fries at $3.99, Saja Boys Breakfast Meal at $7.69. Every menu item on this page is pulled from the McDonald's app for this specific location and last verified October 2026.
How much is a Big Mac at McDonald's at 7890 Mexico Rd?
A Big Mac at the McDonald's at 7890 Mexico Rd in St. Peters, MO is $4.99 as of October 2026. The St. Peters city average is $5.14 and the US national average is $5.91. This store is at or below the national average.
McDonald's fries price at 7890 Mexico Rd in St. Peters
Medium French Fries at the McDonald's at 7890 Mexico Rd in St. Peters, MO are $3.49 as of October 2026. See how this compares to other St. Peters stores on our city page.
McNuggets price on the McDonald's menu at 7890 Mexico Rd
20-piece Chicken McNuggets at the McDonald's at 7890 Mexico Rd in St. Peters, MO cost $7.89 as of October 2026. Compare McNuggets prices at other St. Peters stores on our city page.
Is the limited-time Derpy McFlurry available at McDonald's at 7890 Mexico Rd?
Yes. The limited-time Derpy McFlurry is currently listed at the McDonald's at 7890 Mexico Rd in St. Peters, MO for $5.49 as of October 2026. This availability is verified from the McDonald's app for this specific store, and limited-time items can differ by location or disappear when the promotion ends.
Is the limited-time Ramyeon McShaker Fries available at McDonald's at 7890 Mexico Rd?
Yes. The limited-time Ramyeon McShaker Fries is currently listed at the McDonald's at 7890 Mexico Rd in St. Peters, MO for $3.99 as of October 2026. This availability is verified from the McDonald's app for this specific store, and limited-time items can differ by location or disappear when the promotion ends.
Is the limited-time Saja Boys Breakfast Meal available at McDonald's at 7890 Mexico Rd?
Yes. The limited-time Saja Boys Breakfast Meal is currently listed at the McDonald's at 7890 Mexico Rd in St. Peters, MO for $7.69 as of October 2026. This availability is verified from the McDonald's app for this specific store, and limited-time items can differ by location or disappear when the promotion ends.
Is the McDonald's menu at 7890 Mexico Rd more expensive than the St. Peters average?
The Big Mac at this McDonald's is $4.99. The St. Peters, MO average Big Mac is $5.14, and the US national average is $5.91. This store is below the St. Peters average.
Why are McDonald's menu prices at 7890 Mexico Rd different from other locations?
McDonald's menu prices at 7890 Mexico Rd are set by the local franchise owner — not McDonald's corporate. St. Peters averages $5.14 for a Big Mac — at or below the $5.91 US average. There are 2 McDonald's in St. Peters — visit our city page to compare them all.
How many items are on the McDonald's menu at 7890 Mexico Rd?
This McDonald's at 7890 Mexico Rd in St. Peters, MO has 21 menu items listed above with current app prices. Browse the full menu on this page or compare with other locations in St. Peters.
When were McDonald's menu prices at 7890 Mexico Rd last updated?
Prices for the McDonald's at 7890 Mexico Rd in St. Peters, MO were last verified October 2026. We source data from the McDonald's mobile app. Franchise owners can adjust prices at any time — check back for the latest.
What is there to do near McDonald's at 7890 Mexico Rd in St. Peters?
After your meal, explore a variety of nearby attractions that cater to all interests! From outdoor parks perfect for family picnics to exciting entertainment centers for fun-filled days, there's something for everyone. Top nearby spots: St. Peters Rec-Plex — A state-of-the-art recreational facility featuring swimming pools, ice rinks, and fitness classes.; 370 Lakeside Park — A 300-acre park with a 140-acre lake, offering fishing, boating, and walking trails.; Mid Rivers Mall — The largest shopping center in St. Charles County, featuring over 140 stores and a food court.; Kokomo Joe's Family Fun Center — An entertainment center offering arcade games, laser tag, and mini-golf.; Great Skate Roller Rink — A roller skating rink offering open skating sessions and roller hockey events..
What McDonald's locations are near 7890 Mexico Rd in St. Peters?
There are 7 McDonald's locations within 5 miles of 7890 Mexico Rd in St. Peters, MO: 1. McDonald's at 299 Mid Rivers Mall Dr, St. Peters, MO 63376 (2.1 mi away) — rated 3.6 out of 5; 2. McDonald's at 101 Mcdonald Lane, O'Fallon, MO 63366 (2.2 mi away) — rated 3.5 out of 5; 3. McDonald's at 2915 Hwy K, O'Fallon, MO 63366 (2.9 mi away) — rated 3 out of 5.

MenuPriceTracker vs. Delivery Apps & Other Price Sites

How do these prices compare to what Uber Eats, DoorDash, or Grubhub show?

Uber Eats, DoorDash, Grubhub, and Seamless inflate McDonald's menu prices by 15–30% on top of the in-store price before adding delivery fees, service fees, and tip. The price you see on a delivery app is not what McDonald's charges at the counter. MenuPriceTracker shows the real menu price from the McDonald's app — what you'd actually pay walking into the restaurant or ordering at the kiosk.

Why not just check TripAdvisor for McDonald's prices?

TripAdvisor doesn't track individual McDonald's store prices. Any price information on TripAdvisor is user-submitted, covers only a small fraction of locations, and can be months or years out of date. MenuPriceTracker tracks store-level prices for 9,200+ US McDonald's locations across all 50 states, refreshed monthly from the McDonald's app.

Where does MenuPriceTracker get McDonald's price data?

Prices are collected at the store level from the McDonald's app, covering 9,200+ locations in every US state. Each store's data is refreshed monthly so you see real local prices — not a national estimate, a delivery markup, or crowdsourced guesses. The national average, state averages, and per-city averages on this site are all computed from that same store-level data.

McDonald's 7890 Mexico Rd Prices

This McDonald's at 7890 Mexico Rd, St. Peters, MO 63376, St. Peters charges $4.99 for a Big Mac as of October 2026, sourced directly from the McDonald's mobile app. The St. Peters city average across 2 locations is $5.14. The US national average Big Mac price is $5.91.

Limited-time items currently showing at this specific store include Derpy McFlurry for $5.49 , Ramyeon McShaker Fries for $3.99 , Saja Boys Breakfast Meal for $7.69 . These promotional items are verified from the McDonald's app for this location and can vary by store or disappear when the offer ends.

Derpy McFlurry
$5.49
State avg: $5.29
$0.20 above state avg

This McDonald's charges $5.49 for Derpy McFlurry. The state average is $5.29.

Ramyeon McShaker Fries
$3.99
State avg: $4.15
$0.16 below state avg

This McDonald's charges $3.99 for Ramyeon McShaker Fries. The state average is $4.15.

Saja Boys Breakfast Meal
$7.69
State avg: $7.93
$0.24 below state avg

This McDonald's charges $7.69 for Saja Boys Breakfast Meal. The state average is $7.93.

20 Pc. Chicken McNuggets
$7.89
State avg: $8.07
$0.18 below state avg

This McDonald's charges $7.89 for 20 Pc. Chicken McNuggets. The state average is $8.07.

Big Arch
$8.59
State avg: $8.43
$0.16 above state avg

This McDonald's charges $8.59 for Big Arch. The state average is $8.43.

Big Arch Large Meal
$12.69
State avg: $12.41
$0.28 above state avg

This McDonald's charges $12.69 for Big Arch Large Meal. The state average is $12.41.

Big Arch Meal
$11.99
State avg: $11.7
$0.29 above state avg

This McDonald's charges $11.99 for Big Arch Meal. The state average is $11.7.

Big Mac
$4.99
State avg: $5.52
$0.53 below state avg

This McDonald's charges $4.99 for Big Mac. The state average is $5.52.

Big Mac Large Meal
$8.89
State avg: $9.65
$0.76 below state avg

This McDonald's charges $8.89 for Big Mac Large Meal. The state average is $9.65.

Big Mac Meal
$8.39
State avg: $8.89
$0.50 below state avg

This McDonald's charges $8.39 for Big Mac Meal. The state average is $8.89.

Cheeseburger
$1.89
State avg: $2.22
$0.33 below state avg

This McDonald's charges $1.89 for Cheeseburger. The state average is $2.22.

Double Cheeseburger
$3.19
State avg: $3.49
$0.30 below state avg

This McDonald's charges $3.19 for Double Cheeseburger. The state average is $3.49.

Filet-O-Fish
$4.99
State avg: $5.21
$0.22 below state avg

This McDonald's charges $4.99 for Filet-O-Fish. The state average is $5.21.

McChicken
$2.19
State avg: $2.36
$0.17 below state avg

This McDonald's charges $2.19 for McChicken. The state average is $2.36.

Medium Coke
$1.59
State avg: $1.62
$0.03 below state avg

This McDonald's charges $1.59 for Medium Coke. The state average is $1.62.

Medium French Fries
$3.49
State avg: $3.58
$0.09 below state avg

This McDonald's charges $3.49 for Medium French Fries. The state average is $3.58.

Medium Latte
$3.59
State avg: $3.71
$0.12 below state avg

This McDonald's charges $3.59 for Medium Latte. The state average is $3.71.

Medium Minute Maid Orange Juice
$3.39
State avg: $3.37
$0.02 above state avg

This McDonald's charges $3.39 for Medium Minute Maid Orange Juice. The state average is $3.37.

Medium Premium Roast Coffee
$1.79
State avg: $1.82
$0.03 below state avg

This McDonald's charges $1.79 for Medium Premium Roast Coffee. The state average is $1.82.

Medium Strawberry Shake
$4.79
State avg: $4.39
$0.40 above state avg

This McDonald's charges $4.79 for Medium Strawberry Shake. The state average is $4.39.

Vanilla Cone
$2.29
State avg: $2.32
$0.03 below state avg

This McDonald's charges $2.29 for Vanilla Cone. The state average is $2.32.

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MenuPriceTracker.com is not affiliated with McDonald's Corporation. Prices are aggregated from store-level data and may not reflect current prices at this location.