2 Series Gran Coupe vs CT4
For compact luxury car shoppers, the 2 Series Gran Coupe from BMW and the CT4 from Cadillac are two of the obvious candidates. By our tally, the 2 Series Gran Coupe leads 2 of 4 areas. The fuel economy & range section is where it pulls furthest ahead of the CT4.
At a glance
- Engine & Performance 2 Series Gran Coupe wins
- Fuel Economy & Range 2 Series Gran Coupe wins
- Space & Practicality Tie
- Off-road & Towing Tie
- Engine & Performance6.3
- Fuel Economy & Range8.7
- Engine & Performance5.0
- Fuel Economy & Range4.8
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
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The 2 Series Gran Coupe has better fuel economy
For fuel economy (combined), the 2 Series Gran Coupe leads by a wide margin: 30 mpg versus 26 mpg. The 2 Series Gran Coupe uses less fuel on the standard combined cycle, which matters most if you drive a lot.
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The 2 Series Gran Coupe has better highway fuel economy
This is a headline difference. With 38 mpg to the CT4’s 32 mpg, the 2 Series Gran Coupe has a lead that’s easy to see on paper and in practice. Highway fuel economy matters if you cover long distances at steady speeds.
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The 2 Series Gran Coupe has better city fuel economy
Put simply, the 2 Series Gran Coupe is far ahead here: 26 mpg compared with 22 mpg. In town, driving style has a big effect, but the 2 Series Gran Coupe starts from a better baseline.
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The 2 Series Gran Coupe has 37 lb-ft more torque
On torque, the 2 Series Gran Coupe edges out the CT4, 295 lb-ft to 258 lb-ft. The 2 Series Gran Coupe’s extra torque makes it more relaxed when fully loaded or towing.
Design & Size
Dimensions
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| Length | N/A (not specified) | 187.2 in |
| Wheelbase | N/A (not specified) | 109.3 in |
Engine & Performance
2 Series Gran Coupe leads
The 2 Series Gran Coupe squeezes out a win in the engine & performance section. The 2 Series Gran Coupe makes its case with 37 lb-ft more torque. Electrified powertrains deliver torque instantly, so compare torque figures alongside the powertrain type. The engine & performance verdict goes to the 2 Series Gran Coupe.
Torque
2 Series Gran Coupe: 295 lb-ft CT4: 258 lb-ft More torque means stronger pulling from low speeds, which you feel when accelerating from a stop or climbing grades.
Fuel Economy & Range
2 Series Gran Coupe leads
The 2 Series Gran Coupe dominates the fuel economy & range section, and the gaps are large enough to matter in daily use. The 2 Series Gran Coupe brings better fuel economy. Better combined fuel economy lowers your running costs every week, and the savings add up over years of ownership. The takeaway: on fuel economy & range, the 2 Series Gran Coupe is the stronger car.
Fuel economy (combined)
2 Series Gran Coupe: 30 mpg CT4: 26 mpg Official figures rarely match real-world driving exactly, but the ranking between two cars tends to hold.
Fuel economy (highway)
2 Series Gran Coupe: 38 mpg CT4: 32 mpg The 2 Series Gran Coupe uses less fuel on the highway, a real saving on road trips and long commutes.
Space & Practicality
Too close to call
This area ends level; whatever separates these two, it isn’t space & practicality. The space & practicality verdict: no winner, and no reason to worry either way.
Off-road & Towing
Too close to call
The off-road & towing section is even. Any gaps here are within the range you’d never notice. Net result on off-road & towing: level.
Safety & Tech
The 2 Series Gran Coupe and the CT4 differ on safety & tech in ways that are described rather than measured. The table has the details.
Full Specifications
Engine & Performance
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| Powertrain | Gas | Gas |
| Engine | 2.0L turbo I4 | 2.0L turbo I4 |
| Total system output | 241 hp | 237 hp |
| Torque | 295 lb-ft (winner) | 258 lb-ft |
| Transmission | 7-speed dual-clutch | 8-speed automatic |
| Drivetrain | AWD (xDrive) | RWD (AWD available) |
Fuel Economy & Range
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| Fuel economy (combined)EPA estimate where available | 30 mpg (winner) | 26 mpg |
| Fuel economy (city) | 26 mpg (winner) | 22 mpg |
| Fuel economy (highway) | 38 mpg (winner) Best highway economy | 32 mpg |
Space & Practicality
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| Seats | 5 seats | 5 seats |
| Cargo (behind rear seats) | N/A (not specified) | 10.7 cu ft |
Off-road & Towing
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| AWD / 4WD available | Yes | Yes |
Safety & Tech
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| Basic warranty | 4 yr / 50,000 mi | 4 yr / 50,000 mi |
Dimensions
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| Length | N/A (not specified) | 187.2 in |
| Wheelbase | N/A (not specified) | 109.3 in |
Price
| Spec | 2 Series Gran Coupe | CT4 |
|---|---|---|
| Starting MSRP | N/A (not specified) | $34,995 |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Which One Should You Buy?
Choose the 2 Series Gran Coupe if…
- you want better combined fuel economy (30 mpg vs 26 mpg)
- you want better highway fuel economy (38 mpg vs 32 mpg)
- you want better city fuel economy (26 mpg vs 22 mpg)
- you often drive loaded up or with a trailer (295 lb-ft vs 258 lb-ft of torque)
Also Compared
Frequently Asked Questions
Which is better for most people, the 2 Series Gran Coupe or the CT4?
On the specs compared here, the 2 Series Gran Coupe makes more sense for most buyers; the CT4 doesn’t win a single measurable area.
Executive Summary
BMW makes the 2 Series Gran Coupe, Cadillac makes the CT4, and both want the same spot on your shortlist. Here’s where I land. The 2 Series Gran Coupe earns my vote first and foremost with better fuel economy. I also like that the 2 Series Gran Coupe brings better city fuel economy.
I’d steer engine & performance fans toward the 2 Series Gran Coupe and the things a spec sheet can’t capture fans toward the CT4.
My pick: the 2 Series Gran Coupe.
Personal opinion based on the data above. Your priorities may differ.