Mercedes-Benz C-Class vs Volkswagen GLI: Specs Compared
Also searched as Volkswagen GLI vs Mercedes-Benz C-Class specs — both orientations show this same side-by-side comparison.
The Mercedes-Benz C-Class and Volkswagen GLI are evenly matched on fuel economy — both peak at 30 mpg combined — so the decision comes down to engine choice, drivetrain, and class.
Across 4 measured categories, the Mercedes-Benz C-Class leads in 2. Figures are EPA test data, not manufacturer claims.
2015–2027
Mercedes-Benz C-Class
Subcompact Cars · 123 configurations
2022–2027
Volkswagen GLI
Compact Cars · 11 configurations
Head-to-head specifications
| Metric | Mercedes-Benz C-Class | Volkswagen GLI |
|---|---|---|
| Best combined MPG | 30 mpg | 30 mpg |
| Best city MPG | 28 mpg ✓ | 26 mpg |
| Best highway MPG | 36 mpg | 37 mpg ✓ |
| Lowest annual fuel costEPA estimate at 15,000 miles per year | $2,550 | $2,050 ✓ |
| Lowest CO2 output | 215 g/mi ✓ | 297 g/mi |
| Engines offered | SIDI; Mild Hybrid, SIDI & PFI, SIDI; PHEV, SIDI | SIDI |
| Transmissions | Automatic 9-spd, Automatic 7-spd | Automatic (AM-S7), Manual 6-spd |
| Drivetrains | All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive | Front-Wheel Drive |
| Fuel types | Premium, Premium and Electricity | Regular |
| EPA class | Subcompact Cars | Compact Cars |
| Years covered | 2015–2027 | 2022–2027 |
| Configurations on record | 123 | 11 |
Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.
Mercedes-Benz C-Class vs Volkswagen GLI: what the numbers mean
Running cost over five years: at the EPA's 15,000-mile-a-year assumption the Volkswagen GLI burns about $2,050 of fuel annually against $2,550 for the Mercedes-Benz C-Class. That $500 yearly gap compounds to roughly $2,500 over five years and $4,000 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 versus highway split: the Mercedes-Benz C-Class is the stronger commuter at 28 mpg city, while the Volkswagen GLI pulls ahead on the interstate at 37 mpg highway. If most of your driving is stop-and-go traffic the city figure is the one to weigh; for long-distance highway mileage the reverse is true, and the two vehicles effectively swap places depending on how you drive.
Powertrain choice: the Mercedes-Benz C-Class is recorded with 4 distinct engine configurations (SIDI; Mild Hybrid, SIDI & PFI, SIDI; PHEV), the Volkswagen GLI with 1 (SIDI). Across 123 recorded Mercedes-Benz C-Class configurations and 11 for the Volkswagen GLI, 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 Mercedes-Benz C-Class is offered with All-Wheel Drive, Rear-Wheel Drive, 4-Wheel Drive, the Volkswagen GLI with Front-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 Subcompact Cars and Compact Cars respectively — the class drives the interior volume, cargo space and passenger space each one is measured against.
Tailpipe emissions: at their cleanest configurations the Mercedes-Benz C-Class emits 215 g/mile of CO2 versus 297 g/mile for the Volkswagen GLI. Emissions track fuel consumption almost exactly, so the cleaner vehicle here is also the cheaper one to fuel.
C-Class vs GLI: common questions
Which is better on gas, the Mercedes-Benz C-Class or the Volkswagen GLI?
The Mercedes-Benz C-Class and Volkswagen GLI are evenly matched on fuel economy — both peak at 30 mpg combined — so the decision comes down to engine choice, drivetrain, and class.
Which costs less to run per year?
By EPA estimates at 15,000 miles a year, the Volkswagen GLI runs about $2,050 a year in fuel at its most efficient configuration, versus about $2,550 for the Mercedes-Benz C-Class — a difference of roughly $500 per year.
What engines do the C-Class and GLI offer?
Mercedes-Benz C-Class: SIDI; Mild Hybrid, SIDI & PFI, SIDI; PHEV, SIDI. Volkswagen GLI: SIDI.
Are they in the same vehicle class?
The EPA classifies the Mercedes-Benz C-Class as Subcompact Cars and the Volkswagen GLI as Compact Cars, so they aren't a like-for-like match on size.
More C-Class comparisons
More GLI comparisons
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