Which is better for commuting by train?

The P Line. It is lighter and folds smaller, and SuperRoll+ makes it easy to roll through stations.

Which handles gravel and rough roads?

The G Line. Its 20-inch wheels and 2.13-inch Schwalbe all-terrain tires are built for gravel and dirt.

Is the P Line worth the extra money?

If portability matters most, yes. It costs $5,500 versus $4,995 for the G Line, a $505 premium for the lighter build and better folded rolling.

Do both have the same gearing?

Yes, both are 4-speed. The P Line lists a 163% gear range; the G Line's range is not stated.

How far can each go on a charge?

Brompton claims up to 90 km for the P Line's 345 Wh battery. The G Line's range is not listed.

The P Line. The G Line's larger wheels and wide tires make a bigger, heavier folded package.

Brompton Electric P Line with SuperRoll+ - e-Motiq system - 4-speed vs Brompton Electric G Line

Both are 4-speed Brompton e-folding bikes, but they are built for different riders. The P Line is the lighter, more compact city folder with a titanium rear end, carbon fork and SuperRoll+ rolling hardware. The G Line is the bigger-wheel gravel-capable version with 20-inch wheels and 2.13-inch tires. At the latest prices, the G Line is $4,995 at BikePartners.net as of November 4, 2026, and the P Line is $5,500 at Brompton Bicycle as of November 4, 2026.

Today the Brompton Electric G Line costs $505.00 less at its best price.

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