2026 Jeep Grand Wagoneer — Full Specifications
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The 2026 Jeep Grand Wagoneer is an SUV powered by a 3L 6-cyl turbo regular gasoline engine. It returns around 23 mpg (UK) / 19 mpg (US EPA) combined. Owners often keep a Jeep Grand Wagoneer workshop manual to hand for servicing and repairs.
Compared with the 2025 Jeep Grand Wagoneer: Fuel economy improves from 20 to 23 mpg (UK) combined on the most efficient configuration. The engine line-up listed by EPA is unchanged. It holds a 4★ overall NHTSA rating (none is on record for the 2025 model).
Full Specifications
| Engine | 3L 6-cyl turbo |
|---|---|
| Transmission | Automatic 8-spd |
| Fuel Type | Regular Gasoline |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | SUV |
| Fuel Economy (UK) | 23 combined / 20 urban / 29 extra-urban mpg |
| Fuel Economy (US EPA) | 19 combined / 17 city / 24 highway mpg |
| CO₂ Emissions | 283 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,550 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 2 configurations for the 2026 Jeep Grand Wagoneer, all with the 3L 6-cyl turbo engine. 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 | 23 | 19 (17/23) | 293 | $3,550 |
| 3L 6-cyl turbo | Automatic 8-spd | Rear-Wheel Drive | 23 | 19 (17/24) | 283 | $3,550 |
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 2026 Jeep Grand Wagoneer
Running Costs: 2026 Jeep Grand Wagoneer
Covering around 8,000 miles a year in a 2026 Jeep Grand Wagoneer at 23 mpg combined, expect roughly 1,581 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,550 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.
2026 Jeep Grand Wagoneer Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists no safety recall campaigns for the 2026 Jeep Grand Wagoneer as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
Owners have filed 3 complaints with NHTSA about the 2026 Jeep Grand Wagoneer. The most-reported areas are Unspecified (1), Air bags (1), Service brakes (1). Complaints include 1 reported crash, 2 reported injuries. That is well below the median of 35 complaints across the 5 Jeep Grand Wagoneer model years in our data.
Used-buyer checklist for the 2026 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:
- Air bags (1 owner complaint) — Confirm any air bag inflator or module recalls were completed — enter the VIN at nhtsa.gov/recalls.
- Brakes (1 owner complaint) — Brake firmly from speed and look for pulling, vibration or a soft pedal; ask for brake service history.
- Electrical system (1 owner complaint) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
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 23 mpg figure is 4 mpg below that average. Its 283 g/km CO₂ figure is 30 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 2026 Jeep Grand Wagoneer's 23 mpg is 4 mpg below that make average. Its 283 g/km CO₂ figure is 29 g/km higher than the 254 g/km Jeep average.
Of the 5 Jeep Grand Wagoneer model years we cover, the 2026 is the most economical on its best configuration (23 mpg UK combined). 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 2026 Jeep Grand Wagoneer
Frequently Asked Questions
What engine does the 2026 Jeep Grand Wagoneer have?
It's fitted with a 3L 6-cyl turbo regular gasoline engine, paired with a automatic 8-spd transmission.
What is the fuel economy of the 2026 Jeep Grand Wagoneer?
The most efficient configuration returns around 23 mpg (UK) combined, or 19 mpg on the US EPA cycle.
How much does the 2026 Jeep Grand Wagoneer cost to fuel per year?
The US EPA estimates about $3,550 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 2026 Jeep Grand Wagoneer have a good safety rating?
It holds an overall NHTSA rating of 4 stars, with 5 stars for frontal crash protection.
Does the 2026 Jeep Grand Wagoneer have any recalls?
NHTSA lists no safety recall campaigns for the 2026 Jeep Grand Wagoneer as of 6 October 2026. Recalls can be issued years after a model is sold, so it is still worth checking your own VIN.
What are the most common problems reported for the 2026 Jeep Grand Wagoneer?
Among the 3 owner complaints filed with NHTSA, the most-reported areas are Unspecified (1 complaint), Air bags (1 complaint), Service brakes (1 complaint). 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 23 mpg (UK) combined, against a same-body-style average of roughly 27 mpg among the SUVs we track.