2023 Jeep Grand Wagoneer — Full Specifications
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The 2023 Jeep Grand Wagoneer is an SUV offered with 2 engines (3L 6-cyl turbo, 6.4L 8-cyl). Its most fuel-efficient configuration returns around 20 mpg (UK) / 17 mpg (US EPA) combined, with 18–20 mpg (UK) across all configurations. Owners often keep a Jeep Grand Wagoneer workshop manual to hand for servicing and repairs.
Compared with the 2022 Jeep Grand Wagoneer: Fuel economy is essentially unchanged at around 20 mpg (UK) combined. The engine line-up listed by EPA is unchanged.
Full Specifications
| Engine (most efficient) | 3L 6-cyl turbo |
|---|---|
| Engine options | 3L 6-cyl turbo · 6.4L 8-cyl |
| Transmission (most efficient) | Automatic 8-spd |
| Fuel Type | Premium Gasoline |
| Powertrain | Conventional |
| Drive | All-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 20 combined / 17 urban / 24 extra-urban mpg |
| Fuel Economy (US EPA) | 17 combined / 14 city / 20 highway mpg |
| CO₂ Emissions | 334 g/km |
| EPA Greenhouse Gas Score | 3 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $4,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2023 Jeep Grand Wagoneer across 2 engines (3L 6-cyl turbo, 6.4L 8-cyl). Combined fuel economy ranges from 15 to 17 mpg (US), or 18 to 20 mpg (UK), depending on engine, transmission and drive. The headline figures at the top of this page describe the most fuel-efficient configuration.
| Engine | Transmission | Drive | MPG (UK) | MPG (US) | CO₂ g/km | Fuel cost / yr |
|---|---|---|---|---|---|---|
| 3L 6-cyl turbo | Automatic 8-spd | All-Wheel Drive | 20 | 17 (14/20) | 334 | $4,850 |
| 6.4L 8-cyl | Automatic 8-spd | All-Wheel Drive | 18 | 15 (13/18) | 374 | $5,500 |
MPG (US) shows combined, with city/highway in brackets. Highlighted row = the configuration used for the headline figures. Source: US EPA fueleconomy.gov.
Owner Essentials for the 2023 Jeep Grand Wagoneer
Running Costs: 2023 Jeep Grand Wagoneer
Covering around 8,000 miles a year in a 2023 Jeep Grand Wagoneer at 20 mpg combined, expect roughly 1,818 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $4,850 a year in fuel for the most efficient configuration (15,000 miles, national average prices). Work out exact fuel costs with the fuel cost calculator on 247Calculators.
Convert between MPG and L/100km with the unit converters on 247QuickTools. Not sure what tyre size fits? 247TyreCheck explains tyre sizing.
Planning a road trip? Grab a road trip packing list. Only need this car occasionally? See our buy vs rent comparison.
2023 Jeep Grand Wagoneer Safety Ratings (NHTSA)
No NHTSA crash-test rating is on record for this model year. The NHTSA rates only a subset of vehicles each year; you can browse every rated vehicle on our NHTSA Safety Ratings hub.
Recalls & Owner Complaints (NHTSA)
NHTSA lists 8 safety recall campaigns that include the 2023 Jeep Grand Wagoneer (as of 6 October 2026). Most affected areas: Structure (4), Back over prevention (2), Air bags (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Structure — campaign 26V584000, reported 10 September 2026. Risk: Detached roof rack crossbars can create a road hazard, increasing the risk of a crash.
- Structure — campaign 25V642000, reported 25 September 2025. Risk: Detached trim pieces can create a road hazard for other vehicles, increasing the risk of a crash.
- Structure — campaign 25V593000, reported 11 September 2025. Risk: Detached trim pieces can create a road hazard for other vehicles, increasing the risk of a crash.
- Back over prevention — campaign 24V436000, reported 13 June 2024. Risk: A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash.
Showing the 4 most recent of 8 campaigns.
Owners have filed 54 complaints with NHTSA about the 2023 Jeep Grand Wagoneer. The most-reported areas are Electrical system (20), Engine (17), Forward collision avoidance (10). Complaints include 2 reported crashes, 1 reported injury. That is well above the median of 35 complaints across the 5 Jeep Grand Wagoneer model years in our data.
Used-buyer checklist for the 2023 Jeep Grand Wagoneer
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Body structure (4 recall campaigns) — Inspect for corrosion and for subframe or body-panel damage, especially underneath.
- Electrical system (20 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (17 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Driver-assist sensors (10 owner complaints) — Check that driver-assist warning lights are off and sensors are clean and undamaged.
Source: US NHTSA recall and consumer-complaint databases, retrieved 6 October 2026. Complaints are unverified owner reports, not confirmed defects. Check any vehicle by VIN at nhtsa.gov/recalls, and see our guide to checking a used car for recalls.
How It Compares
How does the Jeep Grand Wagoneer compare to similar SUVs? For context, SUVs in our database average around 27 mpg (UK) combined — this model's 20 mpg figure is 7 mpg below that average. Its 334 g/km CO₂ figure is 81 g/km higher than the 253 g/km average for SUVs on this site. This comparison is based on 1824 SUVs in our dataset.
Jeep models in our database average about 27 mpg (UK) combined on their most efficient configuration; the 2023 Jeep Grand Wagoneer's 20 mpg is 7 mpg below that make average. Its 334 g/km CO₂ figure is 80 g/km higher than the 254 g/km Jeep average.
Of the 5 Jeep Grand Wagoneer model years we cover, the 2023 ranks 2nd for combined fuel economy on its best configuration (20 mpg UK combined, against a high of 23 mpg). See every Jeep Grand Wagoneer year side by side.
Last updated: · Data: US EPA (fueleconomy.gov) and NHTSA safety ratings 18 July 2026; NHTSA recalls and complaints 6 October 2026; Wikidata & curated EU catalogue 18 July 2026; European generation and engine data from Wikipedia 7 October 2026
Vehicle data sourced from manufacturer specifications. Always verify with your vehicle handbook or a qualified mechanic. This is a reference tool, not professional advice.
Recommended Accessories for the 2023 Jeep Grand Wagoneer
Frequently Asked Questions
What engine does the 2023 Jeep Grand Wagoneer have?
EPA lists 2 engines for the 2023 Jeep Grand Wagoneer: 3L 6-cyl turbo, 6.4L 8-cyl. The most fuel-efficient configuration pairs the 3L 6-cyl turbo with a automatic 8-spd.
What is the fuel economy of the 2023 Jeep Grand Wagoneer?
The most efficient configuration returns around 20 mpg (UK) combined, or 17 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 18 to 20 mpg.
How much does the 2023 Jeep Grand Wagoneer cost to fuel per year?
The US EPA estimates about $4,850 a year in fuel for the most efficient configuration, based on 15,000 miles of mixed driving and national average fuel prices. Your own cost will depend on mileage and local prices.
Does the 2023 Jeep Grand Wagoneer have any recalls?
NHTSA lists 8 safety recall campaigns that include the 2023 Jeep Grand Wagoneer (as of 6 October 2026). Most affected areas: Structure (4), Back over prevention (2), Air bags (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
What are the most common problems reported for the 2023 Jeep Grand Wagoneer?
Among the 54 owner complaints filed with NHTSA, the most-reported areas are Electrical system (20 complaints), Engine (17 complaints), Forward collision avoidance (10 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Jeep Grand Wagoneer's fuel economy good for an SUV?
It returns around 20 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.