2018 Chevrolet Colorado — Full Specifications
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The 2018 Chevrolet Colorado is a pickup offered with 3 engines (2.5L 4-cyl, 2.8L 4-cyl turbo, 3.6L 6-cyl). Its most fuel-efficient configuration returns around 30 mpg (UK) / 25 mpg (US EPA) combined, with 23–30 mpg (UK) across all configurations. Owners often keep a Chevrolet Colorado workshop manual to hand for servicing and repairs.
Compared with the 2017 Chevrolet Colorado: Fuel economy is essentially unchanged at around 30 mpg (UK) combined. The engine line-up listed by EPA is unchanged. It carries the same 4★ overall NHTSA rating.
Full Specifications
| Engine (most efficient) | 2.8L 4-cyl turbo |
|---|---|
| Engine options | 2.5L 4-cyl · 2.8L 4-cyl turbo · 3.6L 6-cyl |
| Transmission (most efficient) | Automatic 6-spd |
| Fuel Type | Diesel |
| Powertrain | Conventional |
| Drive | Rear-Wheel Drive |
| Body Style | Pickup |
| Fuel Economy (UK) | 30 combined / 26 urban / 36 extra-urban mpg |
| Fuel Economy (US EPA) | 25 combined / 22 city / 30 highway mpg |
| CO₂ Emissions | 257 g/km |
| EPA Greenhouse Gas Score | 4 / 10 (10 = lowest emissions) |
| EPA Est. Annual Fuel Cost | $3,850 (15,000 mi/yr, US prices) |
Engine & Transmission Options
EPA lists 7 configurations for the 2018 Chevrolet Colorado across 3 engines (2.5L 4-cyl, 2.8L 4-cyl turbo, 3.6L 6-cyl). Combined fuel economy ranges from 19 to 25 mpg (US), or 23 to 30 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 |
|---|---|---|---|---|---|---|
| 2.5L 4-cyl | Automatic 6-spd | 4-Wheel Drive | 25 | 21 (19/24) | 267 | $3,200 |
| 2.5L 4-cyl | Automatic 6-spd | Rear-Wheel Drive | 26 | 22 (20/26) | 252 | $3,050 |
| 2.5L 4-cyl | Manual 6-spd | Rear-Wheel Drive | 26 | 22 (20/26) | 250 | $3,050 |
| 2.8L 4-cyl turbo | Automatic 6-spd | 4-Wheel Drive | 28 | 23 (20/28) | 280 | $4,150 |
| 2.8L 4-cyl turbo | Automatic 6-spd | Rear-Wheel Drive | 30 | 25 (22/30) | 257 | $3,850 |
| 3.6L 6-cyl | Automatic 8-spd | 4-Wheel Drive | 23 | 19 (17/24) | 288 | $3,550 |
| 3.6L 6-cyl | Automatic 8-spd | Rear-Wheel Drive | 24 | 20 (18/25) | 273 | $3,350 |
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 2018 Chevrolet Colorado
Running Costs: 2018 Chevrolet Colorado
Covering around 8,000 miles a year in a 2018 Chevrolet Colorado at 30 mpg combined, expect roughly 1,212 litres of fuel annually — multiply by your local price per litre for a cost estimate. For US owners, the EPA estimates about $3,850 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.
Only need this car occasionally? See our buy vs rent comparison.
2018 Chevrolet Colorado Safety Ratings (NHTSA)
Recalls & Owner Complaints (NHTSA)
NHTSA lists 1 safety recall campaign that include the 2018 Chevrolet Colorado (as of 6 October 2026). Most affected areas: Fuel system (1). A campaign often covers several model years or models, so check your own VIN to see whether your car is affected.
- Fuel system — campaign 18V358000, reported 31 May 2018. Risk: A damaged fuel line can create a fuel leak, increasing the risk of a fire.
Owners have filed 183 complaints with NHTSA about the 2018 Chevrolet Colorado. The most-reported areas are Power train (78), Unspecified (36), Electrical system (34). Complaints include 3 reported crashes, 5 reported fires, 3 reported injuries. That is well above the median of 84 complaints across the 15 Chevrolet Colorado model years in our data.
Used-buyer checklist for the 2018 Chevrolet Colorado
Based on where NHTSA recalls and owner complaints cluster for this model year, these are the areas worth checking before you buy:
- Transmission & drivetrain (78 owner complaints) — On the test drive, watch for hesitation, jerking or slipping between gears and ask for transmission service history.
- Electrical system (34 owner complaints) — Test every switch, window, light and warning lamp on a test drive, and ask about battery or alternator replacements.
- Engine (24 owner complaints) — Listen for unusual noise on a cold start, check for warning lights and ask for the service records.
- Fuel system (1 recall campaign) — Ask whether any fuel-pump or fuel-system recalls were completed, and watch for hard starting or stalling.
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 Chevrolet Colorado compare to similar pickups? For context, pickups in our database average around 25 mpg (UK) combined — this model's 30 mpg figure is 5 mpg better than that average. Its 257 g/km CO₂ figure is 26 g/km lower than the 283 g/km average for pickups on this site. This comparison is based on 264 pickups in our dataset.
At 30 mpg (UK) combined it sits close to the 29 mpg average for Chevrolet models in our database. Its 257 g/km CO₂ figure is 11 g/km higher than the 246 g/km Chevrolet average.
Of the 15 Chevrolet Colorado model years we cover, the 2018 is the most economical on its best configuration (30 mpg UK combined). See every Chevrolet Colorado 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 2018 Chevrolet Colorado
Frequently Asked Questions
What engine does the 2018 Chevrolet Colorado have?
EPA lists 3 engines for the 2018 Chevrolet Colorado: 2.5L 4-cyl, 2.8L 4-cyl turbo, 3.6L 6-cyl. The most fuel-efficient configuration pairs the 2.8L 4-cyl turbo with a automatic 6-spd.
What is the fuel economy of the 2018 Chevrolet Colorado?
The most efficient configuration returns around 30 mpg (UK) combined, or 25 mpg on the US EPA cycle. Across all configurations the UK combined figure runs from 23 to 30 mpg.
How much does the 2018 Chevrolet Colorado cost to fuel per year?
The US EPA estimates about $3,850 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 2018 Chevrolet Colorado have a good safety rating?
It holds an overall NHTSA rating of 4 stars, with 4 stars for frontal crash protection.
Does the 2018 Chevrolet Colorado have any recalls?
NHTSA lists 1 safety recall campaign that include the 2018 Chevrolet Colorado (as of 6 October 2026). Most affected areas: Fuel system (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 2018 Chevrolet Colorado?
Among the 183 owner complaints filed with NHTSA, the most-reported areas are Power train (78 complaints), Unspecified (36 complaints), Electrical system (34 complaints). Complaints are unverified owner reports, not confirmed defects, and raw counts rise with how many cars were sold.
Is the Chevrolet Colorado's fuel economy good for a pickup?
Yes — it returns around 30 mpg (UK) combined, against a same-body-style average of roughly 25 mpg among the pickups we track, making it one of the more efficient options in its class.