Tool

Drive vs train

Hiring a car looks expensive on a daily rate, but a full tank of fuel, M-way tolls and ULEZ can still undercut a family of four on advance train tickets if you choose the right route. Pick your journey and we'll add up the real costs of both.

Origin city Destination city One-way distance (miles) We auto-fill if you pick a known city pair. Vehicle MPG 35–45 mid-size · 30–35 larger car. Petrol price (£/L) Tolls + ULEZ for the route (£) M6 Toll £7 · Dartford £2.50 · ULEZ £12.50. Hire car daily rate (£) 2025 reference: £30–£80/day + insurance. Hire days Train ticket per adult (£) Advance single if you can. Passengers

Reference fuel and toll prices last checked against RAC Fuel Watch, M6 Toll and TfL published 2025 rates. Re-confirm for the day before driving.

What this solves

Hire cars in the UK cost £30–£80 per day before insurance, which is enough to put off many travellers. But on routes without a direct train (the Lakes, Scottish Highlands, parts of Wales) or for parties of three or more, a single car often beats the train on total spend once you stack the M-way charges and ULEZ on the rail side. This tool compares the two honestly.

How to read the result

Driving total = fuel + tolls + ULEZ + hire car + insurance allowance.
Train total = advance train single × passengers.
Verdict adds a comfort and time margin — driving saves money at the cost of hours behind the wheel.
Per-person is the comparison that actually matters for a group.

What it doesn't cover

Insurance excess on hire cars (£1,000–£2,000 typical) — buy standalone excess cover if you want peace of mind.
Inner-city parking at the destination (London £20–£40/day, Edinburgh £15–£25/day).
Diesel cars — same math, just higher pump price (~£1.50/L).
Driver fatigue, congestion-charge zones and roadside breakdown cover.

FAQ

Is driving cheaper than the train over a long distance?

It depends on passengers. With two adults the train often wins on cost; with three or four adults the hire car typically wins once you factor in advance fares for everyone. Add £30–£80/day hire, fuel and tolls on one side, and stack four advance train singles on the other.

When does ULEZ actually charge me?

ULEZ charges £12.50 per day for any non-compliant vehicle that enters Greater London. The standard charge runs every day including weekends, midnight to midnight. Most post-2015 diesels and post-2006 petrol cars are compliant — check your vehicle against TfL's checker before driving in.

Should I book the train or hire a car?

Hire the car if you're heading somewhere with poor rail coverage (Highlands, mid-Wales, the Lakes) or planning to stop at multiple rural destinations. Book the train if your route is well-served and you're travelling solo or as a couple — you'll save the parking fees and arrive relaxed.

How complex is ULEZ really?

Less so than it sounds. For a compliant hire car (the default at every major UK rental firm), you don't pay ULEZ at all — the operator's fleet is generally Euro 6 / Euro 4 petrol compliant. You only need to worry if you're driving your own older vehicle through London.

Sources

RAC Fuel Watch — UK average petrol and diesel pump prices, 2025.
TfL — ULEZ and Congestion Charge published daily rates.
M6 Toll and Dartford Crossing — published tariff for cars, 2025.