Chevrolet Blazer vs Volkswagen ID.4: Specs Compared

Also searched as Volkswagen ID.4 vs Chevrolet Blazer specs — both orientations show this same side-by-side comparison.

The Volkswagen ID.4 is the more efficient of the two: it reaches 113 mpg combined versus 104 mpg for the Chevrolet Blazer, a 9 mpg advantage and costs about $100 less per year to fuel.

Across 4 measured categories, the Volkswagen ID.4 leads in 4. Figures are EPA test data, not manufacturer claims.

2019–2027

Chevrolet Blazer

Small Sport Utility Vehicle 2WD · 48 configurations

104mpg combined (best)
All Chevrolet Blazer specs

2021–2026

Volkswagen ID.4

Small Sport Utility Vehicle 2WD · 29 configurations

113mpg combined (best)
All Volkswagen ID.4 specs

Head-to-head specifications

MetricChevrolet BlazerVolkswagen ID.4
Best combined MPG104 mpg113 mpg ✓
Best city MPG114 mpg122 mpg ✓
Best highway MPG95 mpg104 mpg ✓
Lowest annual fuel costEPA estimate at 15,000 miles per year$750$650 ✓
Lowest CO2 output349 g/miNot available
Engines offeredSIDINot available
TransmissionsAutomatic (A1), Automatic 9-spd, Automatic (S9)Automatic (A1)
DrivetrainsFront-Wheel Drive, All-Wheel Drive, Rear-Wheel DriveAll-Wheel Drive, Rear-Wheel Drive
Fuel typesElectricity, RegularElectricity
EPA classSmall Sport Utility Vehicle 2WDSmall Sport Utility Vehicle 2WD
Years covered2019–20272021–2026
Configurations on record4829

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Chevrolet Blazer vs Volkswagen ID.4 dimensions and size

The Chevrolet Blazer is 11 inches longer than the Volkswagen ID.4 on a wheelbase 3.5 inches longer, and 557.8 lbs lighter. Both clear the roughly 200 inches of usable length in a standard single garage bay.

Chevrolet Blazer versus Volkswagen ID.4 exterior dimensions
DimensionChevrolet Blazer (2026)Volkswagen ID.4 (2026)Difference
Length191.3 in180.3 in11 in
Width (excl. mirrors)76.8 in72.8 in3.9 in
Height66.9 in64.6 in2.4 in
Wheelbase112.6 in109.1 in3.5 in
Curb weight3,781 lbs4,339 lbs558 lbs

Width excludes mirrors; add 8–12 inches for mirrors out. Figures are for the newest model year on record for each vehicle. See both drawn to scale.

Chevrolet Blazer vs Volkswagen ID.4: what the numbers mean

Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Volkswagen ID.4 burns about $650 of fuel annually against $750 for the Chevrolet Blazer. That $100 yearly gap compounds to roughly $500 over five years and $800 over eight — often more than the price difference between two trims of the same vehicle, and the single largest running-cost line item separating these two.

City and highway economy: the Volkswagen ID.4 leads in both cycles — 122 mpg city and 104 mpg highway against 114 and 95 mpg — so its fuel-efficiency advantage holds whether you commute in traffic or cover long highway miles.

Powertrain choice: the Chevrolet Blazer is recorded with 1 distinct engine configuration (SIDI), the Volkswagen ID.4 with no. Across 48 recorded Chevrolet Blazer configurations and 29 for the Volkswagen ID.4, the wider the engine spread the more the real-world fuel efficiency depends on which version you actually buy, so check the specific model year and drivetrain rather than the headline number.

Drivetrain and class: the Chevrolet Blazer is offered with Front-Wheel Drive, All-Wheel Drive, Rear-Wheel Drive, the Volkswagen ID.4 with All-Wheel Drive, Rear-Wheel Drive. All-wheel drive typically costs one to two mpg combined against the same vehicle in front- or rear-wheel drive, which is worth remembering when the gap between these two is small. The EPA classes them as Small Sport Utility Vehicle 2WD and Small Sport Utility Vehicle 2WD respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.

Blazer vs ID.4: common questions

Which is better on gas, the Chevrolet Blazer or the Volkswagen ID.4?

The Volkswagen ID.4 is the more efficient of the two: it reaches 113 mpg combined versus 104 mpg for the Chevrolet Blazer, a 9 mpg advantage and costs about $100 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the Volkswagen ID.4 runs about $650 a year in fuel at its most efficient configuration, versus about $750 for the Chevrolet Blazer — a difference of roughly $100 per year.

What engines do the Blazer and ID.4 offer?

Chevrolet Blazer: SIDI. Volkswagen ID.4: no engine data on record.

Are they in the same vehicle class?

Yes — the EPA classifies both the Chevrolet Blazer and the Volkswagen ID.4 as Small Sport Utility Vehicle 2WD, so they compete directly.

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Comparison id: chevrolet-blazer-vs-volkswagen-id4